From £18,780
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
From £18,812
Relax... you have found a reliable extension builder in Watford. Frame Brickwork is a friendly and reliable company based in Watford who consider n...
From £21,260
Trusted and professional extension builder in Watford. Experienced in all extension buildering work and keeping within budget and on quote. Design ...
From £18,924
Experienced extension builder ready to quote for your work. 1st Choice Builders UK is the best extension builder in Watford. No obligation free quo...
From £18,524
A&T Building is an established extension buildering business in Watford. We come highly recommended and provide competitive quotes for your work.
From £18,724
T N Roofing is an established extension buildering business in Watford. We come highly recommended and provide competitive quotes for your work.
From £18,644
Primrose Projects is an established and experienced local extension builder in Watford. Please contact us for a free, no obligation quote and compe...
From £18,964
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
From £18,524
Cannon Build Solutions is an established extension buildering business in Watford. We come highly recommended and provide competitive quotes for yo...
From £18,724
Relax... you have found a reliable extension builder in Watford. C S C BUILDINGS LTD is a friendly and reliable company based in Watford who consid...

Builders charge between £18,524 (A&T Building based in WD18) and £21,260 (Design & Build Builders Ltd based in WD18) in Watford to build a garage, but these costs are only estimates.
Comparing extension builders estimates for building a garage gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get real quotes to build a new garage in Watford by posting a job with HaMuch and we will send it to extension builders in Watford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garage near Watford | £43 | £278 |
| Garage near Bushey | £42 | £276 |
| Garage near Rickmansworth | £42 | £278 |
| Garage near Borehamwood | £42 | £270 |
| Garage near Harrow | £43 | £271 |
| Garage near Hillingdon | £63 | £276 |
| Garage near Gerrards Cross | £43 | £282 |
| Garage near St Albans | £63 | £288 |
| Garage near Dacorum | £42 | £269 |
| Garage near Hemel Hempstead | £42 | £270 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,988

Two storey extension - £88,732

Build a timber frame extension - £26,488

Build a swimming pool - £81,488

Single storey extension - £64,760

Side return extension - £46,990

Install an RSJ - £2,688

Outbuilding - £10,488

Build a Mansard loft conversion - £52,488

Loft conversion - £38,325

Build a kitchen extension - £42,488

Hip to gable loft conversion - £42,488

Granny annexe - £87,488

Garden office - £10,488

Convert a Garage - £16,488

Garage - £18,988

Build a flat roof extension - £22,488

Build a dormer loft conversion - £42,488

Concrete foundations - £6,738

Convert a bungalow loft - £29,488

Convert a basement - £42,990