Exceptional homes, delivered nationwide
From extensions and loft conversions to complete renovations and new-build homes, Onyx Builders combines architectural coordination, experienced project management and skilled construction teams to deliver residential projects across the UK.
Design & Build
One coordinated team from initial brief and planning through construction, finishing and handover.
Extensions & Loft Conversions
Well-planned additions that create valuable space while working naturally with the existing home.
Full Home Renovations
Complete property transformations managed around a clear scope, programme and quality standard.
New-Build Homes
Individual residential builds delivered with structured project management and careful cost control.
Architectural & Planning Support
Measured surveys, design development and planning support coordinated around the proposed build.
Interior Fit-Outs
Kitchens, bathrooms, joinery and final finishes brought together as part of a considered interior scheme.
About
About Onyx Builders
Onyx Builders is a nationwide residential construction company specialising in extensions, loft conversions, full-property renovations, new builds and interior fit-outs. Our architectural, construction and interiors teams work together to provide one coordinated route from early planning through to final completion.
Planning an extension, renovation or new build?
Tell us what you are considering and our team will explain the next practical steps.