Services / Extensions

House Extensions

Single and double-storey extensions designed to add real space and lasting value to your home — built across Bromley, Orpington and South East London.

Our Work

Extensions we've built

A few recent extension projects. Every job is tied into the existing house so the new and old read as one.

Rear kitchen extension · Bromley
Double-storey side extension · Orpington
Wrap-around extension · Beckenham
Side-return extension · Chislehurst
Rear extension with lantern · Sidcup
Matched brickwork detail · Petts Wood

Interactive Estimate

Extension cost calculator

Drag the model to look around. Set your size and type for an instant indicative build cost.

30 m² on a single storey

Estimated construction cost band £3,200–4,500/m²

£96,000 – £135,000

Build cost only · rounded to the nearest £1,000

Indicative only — every project is unique. Figures are based on 2026 Central London build rates and exclude site-specific factors. Contact us for a tailored quote.

Get an exact quote

Get in Touch

Thinking about an extension?

Tell us what you've got in mind. We'll come out, take a proper look and give you a free, no-obligation quote.

Get a Free Quote 07973 413 003