Compare Garage Conversion Quotes — 3 Free, No-Obligation Quotes
A garage conversion in the UK typically costs £6,000–£20,000 — around £1,000–£1,500 per m² depending on whether it becomes a room, kitchen, bathroom or annexe. Tell us about your job and we’ll match you with up to 3 vetted, insured conversion specialists near you — compare garage conversion quotes side by side and pick the best value. 100% free, no obligation, and most quotes come back within 24 hours.
How to get the best garage conversion quotes
- Get three quotes and confirm the same use (habitable room, kitchen or bathroom) in each.
- Insulation, damp-proofing, flooring build-up and a new wall where the door was are the big variables — check they're included.
- Most conversions are permitted development, but confirm Building Regulations sign-off is in the price.
What to check before you book
Always get the quote in writing with a clear scope, and confirm the specialists is insured and offers a workmanship guarantee. Read recent customer reviews, check the quotes cover the same specification, and never pay a large deposit up front — tie payments to completed stages.
Typical garage conversion cost
A garage conversion in the UK typically costs £6,000–£20,000 — around £1,000–£1,500 per m² depending on whether it becomes a room, kitchen, bathroom or annexe.
| Option | Typical UK price (2026) |
|---|---|
| Single garage → room | £6,000–£12,000 |
| Double garage | £12,000–£20,000 |
| With kitchen / bathroom | add £4,000–£10,000 |
| Per m² (typical) | £1,000–£1,500 |
Prices vary by spec, region and access. For the full breakdown see our garage conversion cost guide or try the garage conversion cost calculator.
Garage Conversion quotes — FAQs
How much does a garage conversion cost in the UK?
Usually £6,000–£20,000, or about £1,000–£1,500 per m². A kitchen or bathroom adds more. See the garage conversion cost guide.
How many garage conversion quotes should I get?
Three, all for the same end use and spec. All quotes through BestBuilders are free and no-obligation.
Do I need planning permission for a garage conversion?
Usually not — most are permitted development — but Building Regulations approval is required. Conservation areas can be an exception.
Ready to start? Get your 3 free garage conversion quotes → Or explore garage conversion services and find trusted conversion specialists near you.