Loft Conversions London | Design & Build
Dormer, mansard, hip-to-gable and Velux conversions — turning unused roof space into a finished bedroom, office or en-suite.
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- Full design-and-build for dormer, mansard, hip-to-gable and Velux loft conversions.
- Structure, staircase, insulation, en-suite and decoration delivered by one team.
- Building-control compliant, with any loft bathroom fully installed and waterproofed in the same programme.
A loft conversion adds a whole floor without extending the footprint — ideal for London terraces where garden space is precious. We build dormer, mansard, hip-to-gable and Velux conversions, complete with staircase, insulation, en-suite and decoration. Structural work and building-control compliance are handled in-house, and any new bathroom is installed and tanked as part of the same managed programme.
What’s included in a loft conversions with us?
Head height, roof type and the best conversion for your property and budget.
New floor structure, dormer or roof works, and a compliant staircase.
Insulation, glazing and weatherproofing to modern standards.
Optional tanked en-suite, first fix, plastering and flooring.
Decoration, snagging and a finished, usable room.
Loft Conversions: your questions answered
Will my loft convert, and what type suits it?+
Can you add an en-suite to the loft?+
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Bathroom Renovations
Complete bathroom design and installation — family bathrooms, en-suites and walk-in wet rooms, fully waterproofed and tiled to a crisp finish.