
All Well Property Services provides professional garage conversions across South East London. Prices range from £15,000to £40,000. Typical build time: 4–8 weeks. All projects include a fixed-price contract, single project manager, and full Building Control sign-off. Call 020 3920 9617 for a free consultation.

What We Offer
Your garage is wasted space. We convert it into a home office, extra bedroom, playroom, or self-contained annexe — fully insulated, heated, and signed off to Building Regulations. It won't feel like a garage when we're done.
- ✓Single and double garage conversions
- ✓Home office conversions
- ✓Additional bedroom or playroom
- ✓Self-contained annexe builds
- ✓Full insulation and damp proofing
- ✓Heating and electrical installation
- ✓Flooring and plastering
- ✓Building Regulations sign-off
Typical Investment
4–8 weeks | Fixed-price contracts
Single garage conversion
Bedroom, office, or playroom
£15,000 – £25,000
Double garage conversion
Studio, annexe, or multi-room
£25,000 – £40,000
Most clients typically invest between £18,000 and £28,000 for a well-insulated, fully finished single garage conversion.
Fixed-price contracts | No hidden costs | 4–8 week typical build
What Affects the Cost?
- •Single vs double garage
- •Intended use (bedroom vs self-contained annexe)
- •Insulation and damp proofing requirements
- •Plumbing (en-suite or kitchenette adds cost)
- •Flooring specification and underfloor heating
Recent Garage Conversions Projects
Garage Conversions across South East London




What Our Customers Say
“All Well managed our project from start to finish. The fixed-price contract meant no surprises, and the result is stunning.”
Verified Customer
“Professional team, clean site, and they handled all the paperwork. Would recommend to anyone.”
Verified Customer
“Great communication throughout. They kept to the timeline and budget exactly as quoted.”
Verified Customer
Accredited & Certified
Frequently Asked Questions
- Do I need planning permission to convert my garage?
- Most garage conversions do not require planning permission as they fall under permitted development. However, if your property is listed or in a conservation area, you may need approval — we check this for you.
- Will a garage conversion need to meet Building Regulations?
- Yes, all garage conversions must comply with Building Regulations covering structural integrity, insulation, ventilation, fire safety, and electrics. We handle the entire process and obtain sign-off on your behalf.
- Does a garage conversion add value to my home?
- A well-finished garage conversion can add up to 20% to the value of your property, making it one of the most cost-effective ways to gain extra living space.
Get a Free Garage Conversions Quote
Free site visit. No-obligation quote. We respond within 24 hours — usually the same day.
Book Free Consultation