
Loft Conversions in London
Dormer, Velux, and hip-to-gable loft conversions across London.
About This Service
A loft conversion is one of the most cost-effective ways to add valuable living space to your London home. Actco Roofing & Building handles all types of loft conversions including rear dormers, side dormers, L-shaped dormers, hip-to-gable conversions, and Velux/roof window conversions. Our full service covers structural design, party wall agreements, Building Control applications, steel work, floor strengthening, staircase installation, dormer construction, roofing, insulation, plastering, electrics, plumbing, and final decoration. Most London loft conversions fall under Permitted Development, meaning no planning permission is needed.
What’s Included
- Rear, side and L-shaped dormers
- Hip-to-gable and roof window conversions
- Structural design and steelwork
- Building Control applications
- Insulation, plastering and finishing
- Full project management
Loft Conversions Gallery






Loft Conversions Across London
Areas We Cover
We cover all 32 London boroughs and the City of London, including surrounding areas of Greater London.
- Barking & Dagenham
- Barnet
- Bexley
- Brent
- Bromley
- Camden
- City of London
- Croydon
- Ealing
- Enfield
- Greenwich
- Hackney
- Hammersmith & Fulham
- Haringey
- Harrow
- Havering
- Hillingdon
- Hounslow
- Islington
- Kensington & Chelsea
- Kingston upon Thames
- Lambeth
- Lewisham
- Merton
- Newham
- Redbridge
- Richmond upon Thames
- Southwark
- Sutton
- Tower Hamlets
- Waltham Forest
- Wandsworth
- Westminster
Other Services
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Pitched Roof Repairs
Expert repair of slipped, broken or missing tiles on traditional UK pitched roofs.
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Flat Roof Repairs & Replacement
Felt, EPDM, and fibreglass flat roof repairs for London terraces and extensions.
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New Roof Installation
Full new roof installations for residential and commercial London properties.
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