https://blueprintbuilder.co.uk/tags/extensions/ Recent content in Extensions on Blueprint Builders Hugo -- 0.146.0 en-us Sun, 12 Apr 2026 09:15:00 +0100 https://blueprintbuilder.co.uk/blog/2026-04-12-rear-extension-cost-london-2026-pricing-guide/ Sun, 12 Apr 2026 09:15:00 +0100 https://blueprintbuilder.co.uk/blog/2026-04-12-rear-extension-cost-london-2026-pricing-guide/ A single-storey rear extension in London costs between £45,000 and £120,000 in 2026, depending on size, specification, and where you live.