Garage
Conversion
Transform your unused garage into a bedroom, home office, gym or living space. Permitted development advice, full project management and building regulations sign-off across London.
Our Garage Conversion Services
Home Office
Insulated, plastered and wired for full home working. £15k–£22k.
Extra Bedroom
Full bedroom conversion with window, heating and electrics. £18k–£28k.
Bedroom with En-Suite
Master-quality bedroom with plumbed en-suite shower room. £25k–£40k.
Gym or Studio
Rubber flooring, ventilation and lighting for training spaces. £14k–£20k.
Utility & Boot Room
Practical storage and utility space with plumbing. £12k–£18k.
Games or Cinema Room
Sound-insulated entertainment room with media wiring. £16k–£25k.
How It Works
Free Design Consultation
Measure, discuss layout and advise on permitted development.
Design & Planning
Drawings, building regulations application and party wall notices.
Structural Works
New foundations (if needed), steel beams, floor slab and openings.
First Fix
Insulation, electrics, plumbing and plastering.
Second Fix & Finishing
Flooring, decoration, sockets and building control sign-off.
What Our Clients Say
“SuperBuilder converted our integral garage into a gorgeous home office. Proper insulation, great lighting and finished to a really high standard. Worth every penny.”
Natasha V.Wimbledon · Garage to Office“Converted our double garage into a guest bedroom and en-suite for £28,000. The building inspector commented on the quality of the work. Highly recommend.”
Paul C.Kingston · Garage to Bedroom“Best value conversion in London — SuperBuilder came in on budget, on time and with a finish that rivals our main house. Building regs certificate issued within weeks.”
Amita P.Harrow · Garage Conversion
Frequently Asked Questions
Ready to Use Your Garage?
Get a free, detailed quote for your garage conversion. Most projects complete in 4-8 weeks with full building regulations sign-off.