The Extension Works
UK only: we design and build extensions in London & the South East of England (Surrey, Hampshire & Berkshire) — we can’t quote for projects outside the UK.
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masonry vs timber frame extensions

Masonry vs Timber Frame: Which Suits a Rear Extension?

Masonry (brick and block) or timber frame for your extension? Compare cost, speed, insulation, sound, fire and access, and learn how to choose for your site.

The Extension Works 6 November 2026
Masonry vs Timber Frame: Which Suits a Rear Extension?