Guides, planning advice, cost breakdowns and design inspiration for London homeowners considering a loft conversion or extension.
Whether you are at the very start of your journey — wondering whether your roof space is even suitable — or deep into comparing quotes and conversion types, this resource hub is built for you. Prime Loft has completed over 500 loft conversions and extensions across London since 2009, and every article here draws on that direct, on-the-ground experience.
We cover everything from planning permission and building regulations to the real costs involved, the differences between conversion types, how to choose the right contractor, and what to expect during construction. Our goal is simple: to give London homeowners the clearest, most honest information available — so you can make the right decision for your home and your family.
The rules around permitted development, conservation areas and Article 4 directions explained clearly — with a borough-by-borough breakdown of what London homeowners need to know in 2025.
Read Full Guide →From initial survey to completion, a full breakdown of every stage — and the realistic timelines London homeowners should plan for in 2025.
Read Article →The two most popular loft conversion types compared side by side — space, cost, planning requirements and which property types suit each best.
Read Article →Every building regulation that applies to loft conversions in England — fire safety, structural requirements, insulation standards and how inspections work.
Read Article →Our fixed prices cover architecture, planning, full build and 10-year warranty. No extras. Ever.