When we talk about "home addition," we refer to expanding the existing home by adding extra rooms and more space. It merges various concepts such as project specifications, the size of the project, the required time, and related solutions.

Your desires for an additional floor, additional bathroom, or more living space can come true with a home addition project. Each of these things can range in price and provide a range of advantages for everyday use.

Advantages include a larger room, extra room, and a rise in property value, making it an ideal substitute. The average cost is $48,860, with costs ranging from $21,000 to $100,000 depending on location, size, labor, and supplies.

To make it easier, this article will look at the costs of several well-known home addition services.

Factors Affecting the Cost of a Home Addition

When you're familiar with the features and costs of various products, you can decide what will work best for your home.

1. Project Specifications and Range

The extent and magnitude of your home addition significantly influence the final price. The average cost per square foot of a home addition is $140, ranging from $100 to $180, although several variables may cause this to vary significantly.

• Fees for general contractors and architects: These experts help with project planning and execution; their fees usually range from 10% to 20% and 5% to 10% of the total project cost, respectively.

• Foundation, Roofing, Paneling: The cost of basic building components such as foundation ($4 to $100 per square foot), roofing, siding, and framing ranges from $1,500 to $1,500 per 1,000 feet

• Insulation, Electrical Work, Plumbing, and Flooring: The cost of necessary commodities and finishes, such as flooring ($1 to $10 per square foot), plumbing ($400 to $1,800), electrical work, and insulation ($1.50 to $5 per square foot), is also a significant factor.

2. Labor and Local Permits

Construction of a new home involves high labor costs. A new home addition requires contractors from local authorities, and they need proper time to proceed with the project.

Smaller permits cost around $200, whereas a big order will cost around $3000. Contact at least five different contractors and then proceed.

Average costs for various labor types:

• General contractor: 10%-20% of the total project cost

• Architect: $125-$250 per hour

• Plumber: $45-$200 per hour

• Electrician: $50-$100 per hour

• Interior designer: $50-$200 per hour

• HVAC expert: $50-$150 per hour

• Painter: $20-$50 per hour

3. Materials

When planning a home addition, it's essential to understand the various materials associated with it and their costs. They may change based on local market rates and project-specific requirements. 

• Concrete costs between $5 and $9 per square foot.

• Wood framing ranges from $3 to $15 per square foot. 

• Drywall, used for walls and ceilings, is priced between $0.4 and $0.6 per square foot. 

• Paint costs vary from $20 to $70 per gallon. 

• Ductwork ranges from $7 to $13 per foot. 

• Plumbing has a broad cost range of $4 to $1,500 depending on the materials and region.

• Insulation costs between $0.4 and $6.5 per square foot.

4. House Addition’s Location

The location of the home is the primary factor where the home lies and which space it occupies. In order to omit the obstacles, the cost can be turned up. Hidden features also carry the costs along with it. The costs vary from city to city and also within the city.

The home's current location reflects the cost of the home addition perspective. A contractor will demand more after analyzing the location. Furthermore, the cost of adding a new room or a second story may vary.

5. Contractor Services

In order to build a new story or to add a new room to an additional space, you need a contractor service. They will be in charge of keeping in view your taste to get your home addition and your intentions to give a significant look to your home.

Whether you have to build a garage or renovate the present room, it will cost you keeping in view the contractor’s services.

6. Site Excavation and Cleanup

If you sign a contract with a contractor, you need to pay for other factors as well. Cleaning the site after building construction will cost you differently.

For a new construction, home addition needs an addition of $1000-$5000 to prepare a site and to get it ready. It also includes cleaning of the site from debris after the construction.

7. Project Direction

There are two directions in which buildings can be constructed that are up and out direction. Out direction of home addition costs more and needs more time from the contractor. Structural issues arise in order for the perfect laying of the building foundation. It is better to decide which option is the best one.

Additional costs in home addition

Most of the additional costs in home additions come from the cost of the materials, the size of the project, and the addition based on room type.

Home addition cost by room type

The addition of a new number of rooms, such as a bedroom, bathroom, another kitchen, and a new story to your home, will cost you separately. This is an additional type of home addition, like filling your extra home space, which will multiply projects. 

• Bedroom: With plumbing excluded, the cost of a 10-by-12-foot bedroom ranges from $8500 to $21,500, or $80 to $200 per square foot.

• Kitchen: Because of complex plumbing and electrical requirements, upgrading a kitchen by 200 square feet might cost anywhere between $6000 and $15,500.

• Bathroom: The cost of constructing a new bathroom can range from $5000 to $125,000, depending on the components chosen. Depending on the interior space, you can also add an extra spa room.

• Second story: The cost of adding a second story ranges from $100 to $300 per square foot and might reach $500 for complicated tasks requiring additional structural support. An extra 1,000 square feet of second-floor expansion usually costs between $100,000 and $600,000.

• Home Theater: The cost of a home theater expansion ranges from $20,000 to $70,000; installations below standards need additional soundproofing.

• Sunroom: Sunroom additions in warm climates smoothly merge indoor and outdoor spaces, with prices for whole or part glass designs ranging from $25,000 to $80,000.

• Laundry room: For $5,000 to $7,000, a brand-new, sleek laundry room can be installed, improving the space's utility and enjoyment.

Other Home Extension Ideas

If you have extra space outside your home, several home extension ideas and their related costs can be considered to make the most of it. 

The cost of a garage ranges from $50 to $100 per square foot. Constructing a front porch can cost between $12,000 and $30,000. Whereas a modular addition typically costs between $20,000 and $30,000. 

• Adding a mudroom that is a small area for coats and shoes, can range from $32,000 to $72,000. 

• Building a balcony costs between $3,000 and $4,000. 

• Finally, a cantilever, which is an overhanging structure, generally costs between $15,000 and $25,000.

Expert Home Addition Services by CASCELLA AND SONS’ CONSTRUCTION CORP.

Consider Cascella And Sons Construction Corp. for professional assistance with your home addition project. As a trusted Long Island home remodeling company serving Suffolk and Nassau County, they specialize in various services, including bathroom and kitchen remodeling, new home builds, and custom decking.

With expertise in Andersen Window installations and a commitment to quality, they offer diverse options to revitalize and renovate your home. Trust Cascella And Sons for expert guidance on home addition costs and ensure a flawless finish for your renovation project.

Wrap Up

A home addition is an excellent option for individuals who need more space but don't want to move because it may provide more comfort, higher luxury, and increased property value. Additions to a house can improve existing rooms, create more living space, or add storage at a lower cost than moving. Hiring a general contractor is essential for managing these parts, particularly for complicated constructions.