How Much Do Home Additions Cost?
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The average cost of a home addition is $41,994 nationwide with some homeowners spending as much as $108,000 for large additions.
The decision to add to your home is one that should be considered carefully - it's an investment in more than time and money. But if done properly, a home addition will no doubt add value to any home.
Additions come in different styles and types - we recommend starting with at least three or four general contractors or home addition pros near you. There are a variety of costs involved including labor, materials and permits.
Home additions include:
Additional Rooms
Common is adding rooms to a house such as an extra bedroom or a family room. When a homeowner desires an additional room, they choose to either build out or build-up.
Costs of addition in this instance average $80 to $200 per square foot. Before building up or out, a homeowner should:
- Consult an architect to ensure the design matches the rest of the house.
- Hire a structural engineer to ensure construction is safe.
- Hire a contractor instead of DIY.
Building out involves adding a room at the ground floor of a house. It is one of the most popular additions sometimes performed by smaller home construction companies.
Building out increases the footprint of a home by extending it outward. This type of construction can be very expensive as it might involve construction of a new foundation or acquiring a zoning license to expand.
Building up involves adding a room to the second story of a house without increasing the footprint of a house. A contractor may however need to strengthen the existing foundation to support the added weight.
Sunrooms
Sunrooms average $16,315 up to $70,000 for an addition covering 200 square feet with a foundation. The cost of adding a sunroom varies depending on amount of space it will cover, location and extra activities such as electric wiring and heating.
When hiring for construction of a sunroom, normal costs can include electricians ($50 to $100 per hour), carpenters ($70 per hour) and painters ($20 to $35 per hour).
If opting to buy a sunroom, it will average $11,000 per 150 sq. feet and extra costs of electricity and heating costing $300 to $400 per square foot.
It is advisable to get a few price estimates before buying a sunroom in order to get the best price possible.
Detached Addition
Detached additions vary in style and price. Simple shed-like structures averagely cost $15,000 without electricity or heat and full guesthouses may average $24,658. Professional help of a contractor, electrician and painter is needed to finish a detached addition.
Additional Factors Around Cost
The larger the home addition, the more expensive it will be. Other cost factors need to be considered such as the laying of a new foundation, which costs $75 per yard, along with insulation, site preparation (if extending the perimeter of a house - excavation costs $2,559 on average) and/or electrical wiring (averaging $1,175).
Consider a broad range of companies or professionals might be needed to add rooms to your home, from carpenters and roofers to electricians and general contractors. Do you want to get started quickly? Begin the process and instantly contact services pros here!