Cost Guides·12 min read
Home Extension Cost London 2026: What You Will Actually Pay
A comprehensive breakdown of extension costs per square metre across London boroughs, including planning fees, structural work, and finish levels.
4 June 2026
Cost Guides·10 min read
Loft Conversion Cost London 2026: A Homeowner's Real Guide
Real prices for dormer, mansard, Velux and hip-to-gable loft conversions in London — from a RIBA-certified London design and build team.
4 June 2026
Planning·8 min read
Planning Permission for a Home Extension in London: The Complete Postcode Guide
Planning permission for a home extension in London varies sharply by postcode. A guide from a team led by former planning officers, with a 95% planning success rate.
6 July 2026
Build Process·9 min read
Design and Build vs Separate Architect and Builder: Which Is Better for Your London Home Extension?
Design and build or a separate architect and builder for your London home extension or loft conversion? A RIBA-certified, 95% planning success rate team explains the trade-offs.
6 July 2026
Planning·8 min read
Mansard vs Dormer Loft Conversion: Which Is Right for Your London Home?
Dormer or mansard? A side-by-side comparison of cost, space, planning permission and which London boroughs favour each type — illustrated with a real Wandsworth conversion.
20 July 2026
Build Process·9 min read
Living at Home During a Loft Conversion: A Realistic Guide
What is it really like living at home during a loft conversion? A week-by-week guide to noise, dust, access and timeline, from a team that keeps clients living in their homes throughout.
20 July 2026