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Home / Build / Additions

More house, joined to the old one cleanly

Bump-outs, second stories and in-law suites. The hard part isn't the new space, it's the seam where it meets a house that's been settling for a century. That's the part we get right.

Types

Ways to add on

Small

Bump-outs

A few feet of floor for a bigger kitchen, a mudroom or a primary bath, often without a full foundation.

Up

Second stories

Adding a floor over part or all of the house. We assess the existing structure and foundation before promising anything.

Out

Wings & great rooms

A full room addition on a new foundation, family room, primary suite or sunroom, tied into the roofline so it doesn't look bolted on.

Multi-gen

In-law suites

Attached living space with its own entrance, bath and kitchenette, independent, but connected. Also see Thermasteel ADUs.

Included

Structural & permitting

Engineered structural design, energy code, and the local permit process, part of the package, not your problem.

Included

Matching the existing house

Siding, roof, windows and trim specified to blend, or to contrast on purpose.

Additions run $95k–$210k+

A wide band, foundation type, roof tie-in, and whether it's a wet room drive it. We give you a real number after a site visit.

Start with a consult
Start here

Book a consult

Tell us the room, a rough budget range and when you'd like to start. We'll come back with next steps and a realistic timeline, no pressure, no mystery pricing.

(603) 795-0100  ·  toll-free 844-438-7674 sales@poshhaus.com 104 Emerald St, Keene, NH 03431 Mon–Fri 10–6 · Sat 10–3 · Sun closed

We reply within one business day. Your details go straight to our team at sales@poshhaus.com.