What affects the cost?
Garage build cost depends on footprint, wall construction, foundations, roof type, doors, electrics and site access. Ground conditions and planning or building-control requirements can also affect the final budget.
- Single or double garage
- Flat or pitched tiled roof
- Foundations and ground conditions
- Brickwork specification
- Garage doors and windows
- Electrical and drainage work
Typical cost breakdown
Regional planning examples
The examples below apply our published modelling factor to the same national benchmark. They are not claimed as observed city-wide average quotes.
Sources used for this guide
Cost to Build a Garage in 2026
Published / checked: Updated 2026; cost table last updated May 2026
Used for: Single and double garage build costs with flat or pitched roofs
Frequently asked questions
How much does it cost to build a single garage?
Current UK guidance places a single garage at around £21,000–£33,000 with a flat roof or £25,000–£40,000 with a pitched tiled roof.
How much does a double garage cost?
A current planning range is roughly £30,000–£47,000 for a flat-roof double garage and £36,000–£58,000 for a pitched-roof version.
Related costs
Garage door replacement
UK replacement garage door costs for up-and-over, roller, sectional, insulated and electric doors, including typical installation labour.
About £1,245–£4,000 including installationView guide →Cost guideGarage conversion
Typical UK garage conversion costs by garage type, floor area and intended use.
£10,000–£20,000View guide →Cost guideBrick wall
UK brick wall costs for single-skin, double-skin and cavity walls, including labour and common materials.
Around £825 for a 1m × 4m single-skin wallView guide →