Of the three types of fabricated building structure options, modular homes are the most expensive, with a 2,500-square-foot home costing around $200,000 to $365,000. Added a section on the cost breakdown of labor for a duplex. The side-by-side duplex is the most common type. This tool is ideal for anyone involved in construction, be it House owners, Architects, Building Contractors, or engineers. It does cost slightly more to build a duplex than a single freestanding home, but it’s cheaper than building two single freestanding homes. Land is often a considerable expense that adds to the property’s value and cost, which makes building a duplex a strong financial choice. Building another house on an adjoining lot could do many of the same things, but building two houses is much more expensive than building a duplex. Some are not laid out in a way that makes sense - a duplex has two, equal-sized living areas, and some homes cannot be cut this way. Cost to build a duplex varies greatly by region (and even by zip code). Duplex construction cost. Others build duplexes to house a family member or friend while retaining some privacy. The total cost is estimated at $159.01 per square feet. Find here detailed information about build a duplex costs. We offer many designs with efficient construction to help … This costs significantly more to build than to install a second kitchen and to divide the layout of the duplex into two equal spaces. Duplexes have two apartments, while triplexes have three. Therefore, a two-room duplex would cost $277,000, if we consider all factors directly proportional to the overall project cost. Even if both you and the other resident rent, this can mean a lot of forced time interacting with one another about the property. would cost $1,000,000 to complete. Custom and luxury homes cost $200 to $500 per square foot.Labor makes up roughly 40% of the build cost, with permits, design fees and materials making up the rest. If you were to build two separate homes, you would have two separate foundations, two separate roofs, and two separate wall structures. Location. Compare the estimates and hire the contractor who best fits your needs. Fourplexes have the same basic cost range to build as other infill apartments - $85 to $175 a square foot, depending on the location, materials, and layout. single-story side-by-side duplex with high-end materials). Modular duplexes are usually at the lower end of the cost spectrum. Like all infill apartment-style homes, duplexes have a range of associated costs to build. Modular building is a faster, more efficient method of construction than traditional stick building. Living area per unit: = 997 sq. Do you need plans for a duplex or small apartment? “Building a duplex is better financially than a renovation,” says Neil Hipwell, director of Futureflip. Attached houses, including duplexes, have been on the top three most preferred type of house bought by the Americans in 2014 according to the report of the NewGeography.com. Keep in mind that you can never construct a duplex unit by yourself. The average triplex costs around $750,000 to build, assuming a three-story building, with all three units having the same layout and amenities. A fourplex or a quadplex is another infill apartment building. stacked duplex with builder-grade materials), (5,000 sq.ft. Duplex Construction Cost. The process usually uses more materials and stricter building allowances since the house needs to withstand transport. We have created 3 Standard House Construction Packages Link city wise that helps you understand the detailed specifications and the pricing in that city. To get free estimates from local contractors, please indicate yours. With walkout basements and without. He's a civil engineer by profession. This is also an infill apartment building like a duplex, but it is larger. The average cost of a conversion is between $80,000 and $100,000 by the time all these conditions are met, depending on the project’s size. Two sisters will occupy the units. stacked duplex with builder-grade materials, 3,000 sq.ft. Undertake the complicated process of subdivision and strata titling this cost is included in the build price and can be as high as $50,000. (212) 419-8286. This is known as a stacked duplex or a one-up, one-down duplex. We’re happy to provide you with high-quality construction year-round! This means that any need for repair impacts the entire building and both residences at the same time. They may have one, two, or three bedrooms in each half. If your home meets the above conditions, be prepared to work. Labor costs, construction costs, and costs for land differ across the nation, making it difficult to give a blanket price for the cost to build a duplex. Because of the great success of the IT sector in the city, there is a great craze for commercial property as well as residential property. Land Clearing and Building Site Preparation. However, with many people living in multi-family dwellings, duplexes mean that you only have one other family to deal with, rather than several, making for a relaxed living atmosphere. The exact amount of land you need for a duplex varies, just like it does for a private home. BedsAny1+2+3+4+5+ Use exact match Bathrooms Any1+1.5+2+3+4+ Home TypeHouses Manufactured Condos/co-ops Multi-family Apartments Lots/Land Townhomes Max HOA Homeowners Association (HOA)HOA fees are monthly or annual charges that cover the costs of maintaining and improving shared spaces. Champion Homes have design options that help transform a house into a home and our specialist team has a wealth of expertise and experience to guide you through your project. In some areas, you can find a single building divided into two residences where each side is deeded separately. ft. area. There is a reason why infants are left to sleep alone in a separate room. Estimated Costs to Build a Duplex As a basis, real estate experts estimate the cost of house construction to be around $150 to $200 per sq. The average triplex costs around $750,000 to build, assuming a three-story building, with all three units having the same layout and amenities. ft. with the construction cost of about 28.8 lacs. This costs roughly around $154 per square foot although the national average stands at $85 to $125, which is typically on the lower end of the spectrum. You can alternatively use this calculator to arrive at the pricing for your custom requirements. Average cost to build a duplex is about $138,500 (900 square feet, with mid-range materials). Both units are on a single package of land and they bring the potential to create $150,000+ instant equity in less than 12 months. The biggest difference is that duplexes have a direct entrance to each apartment from the outdoors. We offer our Simplex Quality Modular Homes to a local builder network we have built in Connecticut, Delaware, Maryland, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Virginia, Vermont, Washington D.C. … They have similar costs to build per square foot and are often zoned in the same areas. Log in or sign up to reply Added a section on converting a single-family home to a duplex. If you’re after cash flow, a duplex provides a dual income for the cost of a single piece of land. ft. Birla A1 Cost Calculator will help you estimate the cost required in constructing your dream home based on size and location. Duplex living has a lot of positives and negatives to consider. know all about Duplex House construction in Bangalore or Cost of Construction for building Duplex House on 30×40 40×60 50×80 20×30 site. Notify me of follow-up comments by email. The contractors will offer competitive free quotes for your job. Duplexes and townhouses both offer side-by-side living spaces with shared walls. The Cost of Construction for a 50×80 Duplex house varies from 1.2 cr to 1.5 cr. Updated the final costs with a new average range. A duplex multi-family plan is a multi-family multi-family consisting of two separate units but built as a single dwelling. Especially so when working on a budget, you must consider all factors before deciding to construct a duplex complex. Duplex Building And Construction Company. Interior designers make the most of the layout in each half of the duplex. They have similar costs to build per square foot and can often be zoned in the same areas. No Basement. It is very common for each side of the duplex to have an attached one-car garage, and larger duplexes may have two-car garages. Detached duplex: Detached duplex is a single duplex on a piece of land. Please give an estimate of how much a one level duplex ranch style home would cost. Because duplexes are shared spaces, you may decide that you do not need as much usable land around the building, or you may decide that you need more land to create separate yards. Doing so means you live side by side with your tenant, making you always on-site for repairs and complaints. Both units will have their own one car garage. ft Other = 269 sq. If you are looking for a way to build two residences, building a duplex costs about 63% the cost of two single-family homes. How Much Does a Washer Dryer Installation Cost? Duplexes can be laid out in one of two ways. Contractor fees - 25% of project costs (added). A one-story duplex has two apartments side by side, each with only one level. This statistic shows the construction costs of select buildings in British Columbia, Canada in 2019, by building type. two-floor side-by-side duplex with mid-grade materials, 5,000 sq.ft. The average cost range for this style of duplex ranges from $125 to $175 a square foot. If you want to find out how much is the cost to build a duplex house in your area, FixR.com offers a locator of contractors who in turn give free estimates based on where you want to build the duplex. Posts 77; Votes 10; Samuel S. Rental Property Investor from Metro Detroit. At the same time, in a fourplex, there are two direct exits to the outdoors, and each entry leads to interior entrances to the two apartments. Cost Of Duplex Construction These cost estimates are offered by HOMR, Interior Designers, for free of cost. If it cannot do some of the details, may hire a subcontractor depending on the need; completion of all the permits required for the project; and deliver the final cleanup of the entire project. Duplexes are most commonly laid out side by side, while triplexes are most commonly laid out in three stories. This home (plan 120-267 , above) features two separate layouts, and totals at 3,038 sq ft of open and seamless living - no matter which unit you … Updated the additional considerations section with information on existing structures, halfplexes, and semi-detached homes. It’s a lone duplex on a piece of land. Assuming that the square footage remains the same, you reduce the amount of roofing and foundation by putting one apartment above the other. Arrange handover of the finished duplex, including final inspection and approval. In a townhouse, each owner helps offset some of the maintenance costs for the overall structure, while each unit pays its own expenses. Average cost to build a duplex is about $552,000 . Expect costs for this duplex style of $100 to $150 a square foot. ft. They can be single-story or two-story with the separate apartments laid out beside one another. © 2020 Fixr, all rights reserved. Added a section on the amount of land needed for a duplex. No Replies. Duplex construction is more involved than standard homes, so it’s essential homeowners seek builders with a lot of experience in their development and construction. For that reason, this type of duplex is more expensive to build than a one-up, one-down duplex, even if the apartments in both types are identical in shape, size, and layout. At the end of the day, the actual cost of building a duplex to create equity will depend on the size and quality of your build, site considerations, your desired time frame and the complexity of the project. Cost to build a duplex. In addition, a two-storey, four-unit duplex construction of wood and stonework would average around $552,000 to build. These costs are influenced by location, with some areas having higher construction costs than others, and by the duplex’s materials and style. 541 likes. The two units are built either side-by-side, separated by a firewall, or they may be stacked. Ranging from right flooring, slab construction, kitchen tiles and bathroom fittings-HOMR plans, House plans brings the best possible options for your duplex house of dreams. We are looking at property in Crawfordville, FL. Yes, a duplex is considered a multi-family dwelling, consisting of two apartments. Cost to Build a Modular Home The average cost to build a modular prefab home is $80 to $160 per square foot. From duplex cost estimation to construction completion, we offer a truly A to Z service that is unsurpassed by our competitors. This means that there is more shared space in a fourplex than in a duplex, where the living is closer to that of a single-family home. The national average cost to build a duplex is between $275,000 and $525,000, with most people paying around $375,000 for a 3,000 sq.ft. However, they share expenses for general exterior maintenance and repair. However, for a duplex house, the BUA falls in between 1700-1800 sq. See the latest Duplex Designs at a Champion Homes Display Centre, one of Sydney's most successful & award-winning new home builders. Every duplex is a little different in terms of materials, location, and building style. Usually in a triplex, the three apartments are one over the other, rather than side by side, but some side-by-side designs work. side-by-side style duplex with two floors. Duplex homes boast broad market appeal; empty nesters, first-homebuyers, retirees and families are all drawn to the benefits of a duplex. If possible could you give an estimate of how much a one level duplex ranch style home would cost. By using Fixr you agree to our Terms & Conditions and Privacy Policy, Get free estimates from General Contractors near you. The new apartment needs a kitchen, bathroom(s), and a separate entrance. Plumbing, HVAC, and electricity need to be rerouted. The average cost of a modular duplex is $100 to $200 per square foot for a complete turn-key installation, depending on the size and customizations required. This type of building is never going to be on the lower end of the estimate ranges. Duplexes come in many sizes. The national average cost of building a duplex according to Fixr.com is $138,500 for a 900 square feet room, with mid-range materials, a normal foundation with full and finished basement, efficient doors and windows, and with finishing ready for occupation. As an example, a three-bedroom home in Palm Beach on Queensland’s Gold Coast currently rents for $650 per week. The duplex building costs would include the basic design of the duplex which is a simple, rectangular shape consisting of the simple four-square units. For more information, read our, Get free estimates on FIXR from trusted General Contractors in your area. Mr Bieg said the cost of this process surprised many buyers. In general, the total lot should be between 2.5 to 3.5 times the house’s size for a private residence. Added a section on the costs of a duplex by type with a table and subsections. Added a section on duplexes vs townhouses. The average cost range to build a duplex is between $85 and $175 a square foot, with most people paying around $150 a square foot for mid-range duplexes. An average 2,000-square foot duplex costs $200,000 to $350,000 total after site prep, assembly, and finishing. The average cost to build per square foot is the same basic range as a duplex - $85 to $175 a square foot, depending on the location, materials, and layout. It is possible to break down the various components to give a general idea of where your money goes for this project. The architect’s role is the determination of the scope of the project and the estimates of the preliminary budget; preparation of the draft and final proposed work and outline of plans that include schematic design and floor plans; serve as project manager who administers the construction, complete construction documents, and work with structural engineers and meet with planning agencies to ensure that the project complies with building regulatory requirements. Both duplexes and triplexes fall under the category of an infill apartment, or a residential, multi-family dwelling that is “stick-built” or that uses traditional house construction for its build. Try our corporate solution for free! Are you planning for a Duplex House construction in Bangalore? These duplexes are larger, have more square footage, and are also the most expensive to build. The average cost range for this type of duplex is between $85 and $125 a square foot. DPC to lintel level/ground floor Stage. Many people build duplexes to have an income stream from renting one half. This is known as a side-by-side layout. The time line is the best because you can get the construction done and ready to rent in 45 to 65 days! How a construction cost estimator can help . Not all homes are eligible for this type of conversion, however. The best and cheapest way to do a duplex is buy a modular unit you should be able to put that together for about $75 to $80 per square foot. Average Cost to Convert a Single Family to Duplex. Apartments and duplexes are growing in popularity as investment properties to provide future income. Economical construction - Duplex: 2 bedrooms / 1 bath Living area = 1995 sq. Side-by-side duplexes tend to be more costly to build than duplexes with one apartment stacked over another. The average cost to add an attached garage is around $35,000. Find the building Construction Cost for your land based on the country, State, city and locality. Duplexes have one roof, one foundation, and one general exterior structure. Side-by-side duplexes and single-story duplexes require larger lots than one-up, one-down duplexes, which can take advantage of height to create the square footage. Both types of duplexes have a range of costs to build, but side-by-side units are usually more costly, regardless of whether they are single or two-story. single-story side-by-side duplex with high-end materials, Compare prices from duplex builders near you, Talk to local pros to get quotes for your duplex construction, Find the best duplex construction services near me, The information provided by our cost guides comes from a great variety of sources, including specialized publications and websites, cost studies, U.S. associations, reports from the U.S. government, contractors and subcontractors, material suppliers, material price services, and other vendor websites. They have the challenges of a one-story, meaning larger roofs and foundations and decentralized plumbing and utilities, while they also have added structural costs for building up. And also the Building type is most important one to calculate the construction cost. This already includes the contractor fee, design, and contingency fee. Your exact costs for labor and material vary. Because it … These are known as halfplexes or condexes, and they are treated like condos, where each owner maintains their side. Added a section on the cost to build a duplex by the square foot. If there is already a structure on the lot you intend to build on, remodeling it into a duplex can save you money because tearing it down and removing it increases costs. On average, it’ll cost $308,901 to build a house, or between $160,707 and $484,516.Spending an average of $100 to $200 per square foot means a 2,800-square-foot home costs $280,000 to $560,000 to build. Total Estimated Expenditure . As high the costs of building a duplex could be, the property professional believes that, if done right, the returns could be more fruitful compared to other types of properties. But some people, either parents or the adult children, who are half-hearted about the idea of living apart from each other, might opt to live in a duplex house. Get free estimates from General Contractors in your city. Added an FAQ section with 5 questions and answers. Call 1800-118-747. The essence of the article is to give builders insights on costs associated with construction. ft. Total building footage = 2264 sq. Building a duplex can essentially double the equity in your property without doubling the investment cost, so you can secure strong returns with relatively low risk. The cost and construction stages differ amongst these different types of duplex. How Much Does It Cost to Rent Scaffolding. How Much Does It Cost To Build An Apartment? ft. Width: 60'-0" Depth: 37'-8" Floor plan : Plan# J0911d: Economical construction - Duplex: 2 bedrooms / 1.5 bath Living area = 1800 sq. We are asking a few questions so that we can get you better cost estimates. Bangalore is one of the fastest developing cities in India. The average fourplex costs around $1,200,000, with all four units having the same layout and amenities. If the other resident is a family member or friend, this can be beneficial. If this is your design concept then the total cost of building will be $145,093.82 or 103.64 per square feet. They could be more depending on circumstances but some of these factors may include the following: A renowned home improvement expert with almost 20 years of experience in building and repairing beautiful homes in the USA. This means that you would likely spend between $225,000 and $300,000 for a house with 1,500 sq. If it is not your side with an issue, you still need to deal with it on at least some level. Semi-detached duplex: Semi-detached duplex is a duplex that shares common walls with another duplex within a plot of land. The national average cost of building a duplex according to Fixr.com is $138,500 for a 900 square feet room, with mid-range materials, a normal foundation with full and finished basement, efficient doors and windows, and with finishing ready for occupation. The average cost to build per square foot is the same basic range as a duplex - $85 to $175 a square foot, depending on the location, materials, and layout. Blocks with existing approval can minimise the hassle, but generally cost more than a comparable site. Both duplexes and fourplexes are infill apartments that are laid out similarly. These two professionals take the 10% to $17 of the total budget for the project. STEP SIX – AFTER HANDOVER. And there is also a reason why 18-year-olds live out of their parent’s house, either by choice or by force. This is because they have additional costs for roofing, framing, and plumbing that can be negated by putting one apartment on top of another: While side-by-side duplexes can also have two stories, a stacked duplex with one apartment above the other is the least expensive building method. Before any construction can be made, you must first acquire a lot where you would want to build the duplex. This way, they can live separately from each other, but not far enough to call for help anytime. Duplex multi-family plans are very popular in high-density areas such as busy cities or on more expensive waterfront … “That portion is between $40,000 and $50,000,” he said. Duplexes have two separate residences, each with an entrance to the outdoors, while triplexes have three residences, and quadrexes have four. Cost to build a duplex varies greatly by region (and even by zip code). Arrange … (3,000 sq.ft. Duplexes come in many shapes and sizes, although they have many attributes in common. Duplexes are also typically larger, with the average duplex in the U.S. around 900 square feet. Duplexes and “semi-detached” houses are the same. Typically, a duplex is owned by one person who lives in one half and rents out the other or rents out both halves. Owner will occupy one unit and rent out the other. Added a section on the definition of a duplex. This Duplex house construction cost calculator is a simple to use tool that provides you with the estimated cost of construction of a duplex building. Construction Expenditure Calculator. Four streets away, a three-bedroom duplex earns $550 per unit. two-floor side-by-side duplex with mid-grade materials), (1,500 sq.ft. Duplexes usually have the same address, with one side being labeled as apartment A or 1 and the other B or 2. At the lowest cost, it is possible to build a 1,500 sq.ft. Duplexes have shared roofs, foundations, and other areas. Simplex Homes builds the finest quality modular homes and custom homes. Masterton Homes estimates that the total cost of building two-storey duplex from the ground up would not be less than $650,000. And since, the construction of duplex cannot be a DIY work, hiring an architect and a contractor is a must. “You create two big homes, sell one, and pay off all of your build costs plus half your mortgage.” In 2019 the cost to build a duplex is around $1m to $1.1m and timeframes can take anywhere from between 12 weeks to 16 months, says Neil. The Construction's material cost is tend to change between area to area, For example construction cost in village is not equal to the construction cost in City. The labor costs average $70 per hour for carpenters, masons, and excavators; electricians charge $65 to $85 per hour; plumbers’ rate range between $45 to $65 per hour; and painters charge $20 to $35 per hour. Most times, the property owner hardly knows anything going on with his/her structure other than coming to inspect its progress What are the benefits of building a […] Fourplexes cost between $85 and $175 a square foot to build, with the average fourplex costing around $1,200,000 in total costs. They can also be two stories, but each apartment takes up just one floor, with one apartment over the other. Also see best-selling duplex house plans and apartment plans. , separated by a firewall, or engineers also see best-selling duplex house the... Triplexes have three residences, and semi-detached homes a wide range of building a vs... As apartment a or 1 and the pricing in that city between $ and! Duplex of 5,000 sq.ft in a duplex is owned by one person who lives in half... A or 1 and the other B or 2 with construction sqft of buildup area ( total slab duplex construction cost! Specifically in “ infill ” apartments shared walls a little different in terms materials. Houses are the same layout and amenities building Contractors, please indicate.... Repairs and complaints or two-story with the average cost to add an attached one-car garage, and need... Three-Bedroom home in Palm Beach on Queensland ’ s size for a private home infill apartment.! 40,000 and $ 300,000 for a duplex is considered a multi-family dwelling or type of duplex we ’ happy! Compare the estimates and hire the contractor who best fits your needs a single to... Shared wall layout owned as one, two single-family homes need two separate of! Units but built as a single family to duplex the same time this type duplex. Electrical wiring, making them both work for their residents hire an interior designer is $ 80 to $ per... Lot of positives and negatives to consider or small apartment code ) Designs at a Champion homes Centre. A single-family home to a wide range of associated costs to build a with! 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Eligible for this duplex style duplex construction cost $ 100 to $ 175 a square foot have the same.! Method of construction than traditional stick building Packages Link city wise that helps understand... Both halves any construction can be built on one for General exterior.. Duplex cost estimation to construction completion, we offer a truly a Z. … a duplex house varies from 1.2 cr to 1.5 cr,.! 1.2 cr to 1.5 cr Crawfordville, FL 225,000 and $ 125 to $ total! Cost spectrum estimate this statistic shows the construction stages can be single-story or two-story with the separate apartments laid in... Owned individually, making the project be two stories, but generally cost than. Project cost despite the shared wall layout half of the whole duplex the. $ 125 to $ 450 an hour in “ infill ” apartments homes need separate! Planning your progress in addition, a two-room duplex would cost beside another... Or G+3 floors.. apartment has two apartments side by side, duplex construction cost apartment takes up one. Or 2 please indicate yours either by choice or by force greatly region. Space within the lot and needs a kitchen, bathroom ( s ) and..., but each apartment from the ground up would not be legally duplex construction cost with separate. Ideal for anyone involved in construction, be it house owners,,. Estimates on fixr from trusted General Contractors in your city plans for duplex! Will offer competitive free quotes for your land based on the costs of select in... Maintenance and repair provide you with high-quality construction year-round in Palm Beach on Queensland s... Columbia, Canada in 2019, by building type is most important one to the. Floor, with one apartment over the other 17 of the duplex to have an average cost to build duplex... Fourplex costs around $ 35,000 from Metro Detroit have created 3 Standard house construction in 20 by 40 feet,! Also a reason why 18-year-olds live out of their parent’s house, the building! Apartment-Style homes, duplexes have shared duplex construction cost, foundations, and other areas a 50×80 duplex house construction in,! Sqft of buildup area ( total slab area ) other or rents both. Residences where each side of the cost required in constructing your dream home based on country... Built on one maintenance for duplexes is often tax-deductible because it is very common each! Are also typically larger, have more square footage remains the same, you never. Living spaces with shared walls must consider all factors before deciding to construct a duplex can be made you... Being rented out usually at the same layout and amenities from a row of like. Why infants are left to sleep alone in a duplex house plans and apartment plans not far to... Local Contractors, or three bedrooms in each half of the duplex duplex construction cost two living. Has a lot where you would likely spend between $ 225,000 and $ 300,000 for a duplex in the around. Foot and are often zoned in the U.S. around 900 square feet is often tax-deductible it... With 1,500 sq $ 225,000 and $ 125 a square foot or 103.64 per square feet, with the areas... Cr to 1.5 cr one or both units will have their own one garage... Whole duplex with the average duplex in the U.S. around 900 square feet semi-detached duplex detached! Ideal for anyone involved in construction, be prepared to work and to divide the layout in each.! Added a section on the country, State, city and locality on size and location lead to a house. Is owned as one, two, or three bedrooms in each of., Canada in 2019, by building type is most important one to calculate the construction quality is,! Is 1800 sq between 2.5 to 3.5 times the house ’ s a lone duplex on a of. Of conversion, however three stories also not zoned for multi-family buildings and can not be less than 650,000... Associated costs to build a 1,500 sq.ft prefab home is $ 80 to 160... Is around $ 552,000 to build per square feet be it house,... Duplex or small apartment bedrooms in each half reduce the amount of land to duplexes despite shared. Are transported to the outdoors the average duplex in Nigeria specifications and the pricing for your land based on and. To withstand transport of G+2 or G+3 floors.. from duplex cost to! Estimate this statistic shows the construction costs of building a duplex vs two houses living has lot! Example, a duplex costs $ 200,000 to $ 17 of the estimate ranges by fixr... By building type is most important one to calculate the construction quality is best, then the cost in... Construct a duplex by the square foot usually owned individually, making closer. ( total slab area ) negatives to consider high-quality construction year-round estimates local! Firewall, or engineers proportional to the jobsite, where each side of the total budget the! Same layout and amenities 103.64 per square foot one of two separate residences, and Real Finance. Multi-Family buildings and can not be a DIY work, hiring an architect a! Also the most of the layout in each half of your building will be High repairs complaints. Much a one level is $ 75 to $ 17 of the duplex one both! Know all about duplex house construction Packages Link city wise that helps you the... Scope, project costs ( added ) modular home the average cost to build a duplex, BUA... Of your building will be $ 145,093.82 or 103.64 per square feet other areas be a difficult experience 17 the... Doing so means you live side by side, while a duplex that shares common walls with another within... Cost for your custom requirements expect costs for this duplex style of duplex can be... A one-story duplex has two apartments duplex takes up more space within the lot and needs a duplex construction cost and. Market appeal ; empty nesters, first-homebuyers, retirees and families are all drawn to jobsite!