Loft Conversions London
Loft Conversion LondonLoft Conversion London — Design, Build & Project Management
Turn unused roof space into a bedroom, home office or en-suite — with full design and build from one team. We handle structural work, building regulations, windows, insulation, plumbing and finishing. Based in Sidcup, serving homeowners and residential landlords across London within the M25.
🏠 Most London loft conversions add a full bedroom and bathroom — and significantly increase your property's value. Book a free site visit and we'll tell you what's possible on your roof.
- Velux, dormer, L-shaped and mansard conversions
- Full design, supply and build — merchant trade discounts passed on
- Building regulations and structural work managed in-house
- Homeowners and residential landlords welcome
Book Your Free Quote Visit
Pick a date and time that suits you — we will send someone out to survey your property and provide a no-obligation quote.
Or call us: 020 4634 0020
25+
Years Trading
500+
Projects Completed
Full
Design & Build
Fully
Insured
Design & Build Under One Roof
We design the layout, specify materials, and build it — kitchens, bathrooms, electrics, plastering and decorating included. No chasing separate trades or architects unless you want one.
Every Type of Loft Conversion
Velux and rooflight conversions for smaller budgets. Rear dormers, L-shaped dormers, hip-to-gable and mansard conversions when you need maximum headroom and floor space.
Trade Discounts on Materials
We supply fixtures, fittings and building materials through our merchant accounts — so you benefit from trade pricing on top of a single, itemised quote.
Trusted Since 2000
Family-run, fully insured, and established across South London and Kent. One point of contact from first survey to final sign-off.
Our work
Loft Conversions That Add Real Space
Bedrooms, offices and en-suites created from unused roof space — structural work, insulation, stairs and finishing by one team.
Why Loft Conversions Go Wrong
Loft conversions involve structure, insulation, fire safety, stairs and building regulations — not just boarding out the roof. The horror stories usually start with a builder who underquoted, skipped the regs, or left you coordinating electricians and plasterers yourself.
- Insufficient head height not spotted until work starts
- Building regulations and fire separation overlooked
- Quotes that exclude stairs, plumbing and finishing
- No single contractor accountable for the full job
We survey your loft properly upfront, explain what's achievable, and quote for the complete conversion — not just the shell.
The right solution depends on your roof type, budget and how much space you need.
Types of Loft Conversion We Build
Velux & Rooflight Conversions
Cost-effective extra space
Rear Dormer Conversions
Maximum headroom & floor area
L-Shaped Dormer Conversions
Victorian & Edwardian terraces
Hip-to-Gable Conversions
End-of-terrace & detached homes
Mansard Conversions
Near-vertical rear roof slope
Bedroom & En-Suite Lofts
Extra bedroom with bathroom
Home Office Lofts
Quiet workspace away from the house
Full Design & Planning Support
Layouts, specs and building regs
Simple Process. Fast Turnaround.
Free Site Survey
We visit your property, measure head height, check roof structure and discuss what you want from the space. No charge, no obligation.
Design & Written Quote
You receive a clear itemised quote covering structure, windows, insulation, stairs, plumbing, electrics and finishing — with a realistic timeline.
Build & Project Management
Our team manages the conversion on site. Building regulations, structural work and all trades coordinated under one roof.
Sign-Off & Handover
Completed to building regs, cleaned up and ready to use. Documentation provided for your records and future buyers.
Trusted by Landlords, Homeowners & Property Managers
“Craig's team converted our loft into a proper bedroom with an en-suite. One team handled everything — we didn't have to find separate plumbers or electricians.”
Homeowner
Greenwich
“We needed a loft conversion between tenancies. Focus Refurbishment quoted clearly, stuck to the timeline, and the property was let again on schedule.”
Residential Landlord
South London
“Professional from start to finish. They explained what was possible with our roof and didn't oversell — exactly what we needed.”
Google Review
★★★★★