Chester County, PA

Home Additions in Chester County

Add the room you need without moving. We plan, permit and build additions for homes in Honey Brook, Downingtown, Exton and nearby towns.

More room, same address

An addition gives your home space it does not have today: a bigger kitchen, a family room, a first-floor primary suite or a second story, without leaving the neighborhood you like.

Common addition projects:

  • Bump-out: push a kitchen, bathroom or dining room out a few feet.
  • Single-room addition: a family room, office, mudroom or bedroom.
  • Primary suite: bedroom, bathroom and closet, often on the first floor so you can stay in the house longer.
  • Second-story addition: build up when the lot has no room to build out.
  • Sunroom or three-season room: bring the outdoors in.

We handle the project from start to finish: checking what your lot and township allow, getting drawings and permits, then the foundation, framing, roof, windows, electrical, plumbing and interior finishes. Rooflines, siding and trim are matched so the addition looks like it was always part of the house.

Additions are the biggest remodeling investment most homeowners make. In Chester County, small bump-outs often run $20,000 to $60,000, single-room additions commonly run $80,000 to $200,000, and second-story additions start around $150,000. Your lot, foundation and finishes drive the number, so we give you a written estimate after a site visit.

new kitchen in progress
new kitchen wide shot
home renovations in progress
Basement living space completed by LR Contracting in Honey Brook PA
washer room before
remodeled laundry room
new cabinets installed by LR Contracting
new counter tops installed by LR Contracting
remodeled kitchen by LR Contracting
remodel in progress by LR Contracting

What you get

An addition that fits the house and the lot

Additions involve zoning, structure and every trade. We keep it all on one schedule.

Planned around your lot and township

Setbacks, zoning and permit rules differ from township to township. We check what is allowed before design starts, so there are no surprises later.

Built to match the house

Rooflines, siding, windows and trim are matched so the addition looks original, inside and out.

One crew from foundation to finish

We run excavation, framing, roofing, electrical, plumbing and finishes, and keep you updated on the schedule the whole way.

Plan Your Addition

Tell us about the space you need. We will set up a site visit and follow up with a written estimate.

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Why homeowners trust us with additions

  • Licensed & Insured
  • Whole-Home Renovation Expertise
  • Design–Build Focused
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Projects Completed
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Years in Business
Excellent
Based on 38 reviews
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Our Process

How an addition comes together

Most additions take a few months from first visit to move-in. Here is how it goes.

1

Site visit and goals

We walk your home and lot, talk through the space you need, and look at whether building out or up makes more sense.

2

Design, drawings and permits

We work out the layout, get drawings made where your township requires them, and handle the permit and zoning applications.

3

Construction

Foundation, framing, roof and windows first, then electrical, plumbing and finishes. We open the wall into the existing house as late as possible to keep disruption down.

4

Final walkthrough

We clean up, walk the finished space with you, and take care of anything that is not right before we call it done.

FAQs

Home Addition Questions

What homeowners ask before adding on.

It depends on the size, the foundation and the finishes. As a rough guide, a small bump-out often runs $20,000 to $60,000, a single-room addition commonly runs $80,000 to $200,000, and second-story additions start around $150,000. We give you a written estimate after a site visit.
Plan on a few months from first meeting to move-in. Design and permits often take 6 to 10 weeks, and construction runs from about a month for a small bump-out to several months for a second story.
Yes. Townships in Chester County require a building permit for an addition, and some also need zoning approval or a variance if you are close to a property line. We handle the applications and schedule the inspections.
Building out is usually simpler and less disruptive if your lot has room. Building up keeps your yard but needs a structure that can carry a second floor and costs more per square foot. We look at both during the site visit.
Usually yes. Most of the work happens outside the existing house, and we open the connecting wall near the end to keep dust and disruption down.

What Our Customers Say

Don't just take our word for it - see what our satisfied customers have to say.

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Ellen Quinn profile picture
Ellen Quinn
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We had an outstanding experience with Tyler and Longacre Repair for our kitchen renovation! Communication was clear and consistent from start to finish, and he brought our design vision to life beautifully. He was able to get us on the schedule quickly and the project was completed in just 5 weeks. He and his crew showed up on time every day, ready to work, and their professionalism really stood out. Any small issues were handled right away, and it was clear he was genuinely committed to making sure we were happy with every detail. We absolutely love our new kitchen and can’t recommend Longacre Repair highly enough!
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Trevor Lenart
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They were very professional and friendly! We got our roof replaced and could not be happier with the project. They communicated what was going on with every step of the project and answered every questions we had with explanations as to why. If you looking for a group who will care for your home like Tyler and his crew does, these guys are it!!
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Lidia Mendoza profile picture
Lidia Mendoza
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Working with Tyler Longacre has been a great experience! Professional, polite, and easy to work with. The quality of their work is excellent, and they always follow through. Highly recommend!
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luis roman profile picture
luis roman
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Great work, fair pricing and very professional!
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Katie Sheaffer profile picture
Katie Sheaffer
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Great service! Support local!
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Pride Brothers llc
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Spectacular general contractor. Everything is always on time and at the highest quality. Very easy to work with.
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Dawn Poley profile picture
Dawn Poley
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Tyler and his team are professional, courtesy clean and at a reasonable price. Would highly recommend
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Sara Mckeith profile picture
Sara Mckeith
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Best contractor in chester county! Highly recommend Tyler & his team on your next remodel
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