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Additions & Extensions

Additions & Extensions

More room.
Still your home.

Create more room without losing the character, proportion, or flow of the home you love.

Additions & Extensions

Seattle & the Eastside

Your home, considered
A coordinated scope

Your design team, connected
Site, structure, interiors & landscape

One shared understanding
Scope, decisions & next steps

What we bring together

The connection makes the difference.

Four connected considerations.

01 โ€” 04

A buildable plan connects important decisions before work begins.

01

Room to grow

Connect new living space to the way your household uses the home. The relationship between the new rooms and existing routines comes first.

02

Old & new structure

Coordinate foundations, rooflines and structural junctions. The addition should meet the original building with a clear, buildable connection.

03

Materials & junctions

Consider proportion, weatherproofing and material transitions early. A contemporary addition and a closer material match can both belong to the home.

04

Access & sequence

Plan construction alongside the retained house. Protection, opening-up and access need a practical sequence suited to a lived-in property.

A connected process

Clear decisions.
A home that feels like you.

You do not need every answer at the beginning. We work through the right questions at the right stage, with a shared view of what comes next.

The service, in practice

More space, with its character intact.

Explore a completed project related to this service, from the initial brief to the considered details.

Addition & Extension

Maple Terrace Addition

A cedar and glass addition gives a mid-century home a generous new gathering space while keeping its original character close.

Location

Mercer Island, WA

Size

780 sq ft addition

Completed

2025

Our role

Addition & Extension

Explore the project

โ†—

Before we begin

A few things
you might be wondering.

A considered first step

Your home begins
with a conversation.

Tell us about your site, the home you have in mind and where you are in the planning process.

NORTHRIDGE

BUILD CO.

Considered homes.
Built with care and clarity.
Seattle & the Eastside.

Get in touch

123 Builder Way

Bellevue, WA 98004

(206) 555-0198

hello@northridgebuild.com

Contact page โ†—

A place for your company.

This is a demonstration social control. No Northridge profile is connected. Buyers add their own profile links in Site Details; unused social controls can be hidden there.

A place for your company.

This is a demonstration social control. No Northridge profile is connected. Buyers add their own profile links in Site Details; unused social controls can be hidden there.

A place for your company.

This is a demonstration social control. No Northridge profile is connected. Buyers add their own profile links in Site Details; unused social controls can be hidden there.

ยฉ 2026 Northridge Build Co.

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Northridge is a fictional demonstration brand. Project imagery, testimonials, credentials and contact details are illustrative and require buyer replacement. This preview does not send enquiries.

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