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Home Additions

in Delaware
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Keep Loving Your Home

Let’s be honest. The thought of moving is not a pleasant one when you love everything about your home and it’s location, but you just need more functional space.
Whether you are looking to add on a family room, and in-law suite, give your kids more space to grow, enlarge your kitchen, or need to accommodate aging in place, we can design and build the perfect addition to meet your needs so you don’t have to move. Plus, adding living space to your home also adds tremendous property value.

Common Home Additions

Are you looking to:


  • Expand your kitchen?
  • Add a laundry room to the first floor?
  • Add a family room?
  • Add a bedroom?
  • Add a bathroom?
  • Expand the master suite?
  • Add a sunroom?
  • Add a second story to your one story home?


    Good thing we do all of that! Tell us a bit about what you’re needing when you request your quote.



Permits & City Approval

When it comes to dotting the i’s and crossing the t’s for your home addition, we’ve got you covered. We will handle all construction drawings and permitting unless you are already working with a designer / architect. Since we are a full service design build firm, we know exactly what permits to file in your city and county.

Here is what you can expect by choosing to work with Bromwell Construction Company.

Average Cost of Home Additions

As it goes, it depends on the type of addition, scope of changes, and quality of finishes you desire.

How much does it cost to add a bedroom to a house?

Depending on the size and how easy or hard to get plumbing to the location, you can expect it to cost at least $25,000.

How much does it cost to add a bathroom to a house?

Depending on the size and how easy or hard to get plumbing to the location you can expect it to cost $25,000+

How much does it cost the extend the kitchen?

Again, depending on the size and how accessible plumbing, gas, and electrical lines are, it will probably cost $40,000+

Frequently Asked Questions

1. How long should a home addition take?

Similar to all renovations, the length of your home addition will depend on a few different factors. The scope of your addition will directly affect the timeline of your remodel.

If your home addition is larger or more complex, such as a master bathroom remodel, it will take more time to complete. If you’re simply adding on a bit of space to a living room your remodel won’t take as long.


2. How much will my home addition cost?

Of course, your specific remodeling costs will depend on the level of remodeling, the features you choose, and the size of your space. For larger more complex home additions, you can expect to pay a greater sum. The national average is $43,500 but the typical range is $20,905 to $66,917.

3. Do I need a building permit to add an extension to my home?

Most likely. If you’re working with a certified remodeler they should be able to take care of all building or remodeling permits you may need for your home remodel. There is a process for any remodeling project, so here’s what you can expect.