Onslow Construction
03 / Additions

More room,
same home.

Sometimes the answer isn’t moving. Adding to your existing home keeps your lot, your yard, your neighbors, and your kids’ school district — while solving the floor-plan problem that’s been bugging you for years.

Get a quote
$40k–$400k
Range
6 – 32 wk
Timeline
Engineered
Hurricane-rated
1 team
Design through build
Design concept — a residential second-story addition exterior, similar to the additions we build
Four kinds of addition

From a small bump-out to a whole new floor.

01

Bump-out

$40k — $90k

100 to 300 sq ft. The fastest way to fix a kitchen too small or a bathroom that just doesn’t work. Six to ten weeks.

02

Sunroom / four-season room

$50k — $120k

Sound views, sunset porches, three-season escapes. The most-used new room in any house we’ve added.

03

Full room addition

$80k — $180k

300 to 600 sq ft. New master suite, family room, in-home office. Twelve to twenty weeks.

04

Second-story add-on

$150k — $400k

Doubling square footage without losing your yard. Hurricane-rated, fully engineered. Twenty to thirty-two weeks.

Let’s talk

Tell us about
your project.

No high-pressure sales. We’ll talk for 15 minutes, see if we’re the right fit, and if we are, set up a free site visit.