Download our free Excel cost-planning spreadsheet to get a rough estimate for your extension.
Our step-by-step guide covers what to expect at each stage of an extension project, from planning through to build.
We've put together a series of videos covering the most common questions homeowners ask us — from single-storey extensions to drainage rules around sewers.
Single-storey extensions
Outbuilding erection
Loft conversions
Large home extensions
Side extensions
Extension costs (2024 & 2025)
Two-storey rear extensions
Drainage and building over sewers
Home extension guide
Link to our youtube channel Betaplan LTD