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Need an Extension Builder in Walmley? D&J Advanced Builders has been helping local clients (20 mile radius) with their extension buildering jobs fo...
Relax... you have found a reliable extension builder in Walmley. MD Services is a friendly and reliable company based in Walmley who consider no jo...
Dave Mattock is an established and experienced local extension builder in Walmley. Please contact us for a free, no obligation quote and competitiv...
Gary Wilson
Reliable person 25 years experience
if you look on a website rated people and have a look at my ratings
AJ Home Improvements is an established extension buildering business in Walmley. We come highly recommended and provide competitive quotes for your...
Brickfast Builders is an established extension buildering business in Walmley. We come highly recommended and provide competitive quotes for your w...
Need to find an Extension Builder near you for all your extension buildering work?
Atwal Building Services Ltd provides a local, trusted ex...
Lloyd Clarke
Need to find an Extension Builder near you for all your extension buildering work?
LC BUILDING SERVICES provides a local, trusted extension...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
John Kinloch Construction Ltd provides a local, trusted ...

Garden offices range from the cheapest of £9,568 (Dave Mattock based in B44) to the dearest of £9,984 (Brickfast Builders based in B6), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Walmley by posting a job with HaMuch. We'll send it to extension builders in Walmley.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Sutton Coldfield | £29 | £228 |
| Garden Office near Birmingham | £29 | £229 |
| Garden Office near Tamworth | £33 | £288 |
| Garden Office near Smethwick | £29 | £230 |
| Garden Office near Walsall | £29 | £229 |
| Garden Office near Solihull | £29 | £231 |
| Garden Office near West Bromwich | £29 | £228 |
| Garden Office near Brownhills | £28 | £225 |
| Garden Office near Sandwell | £29 | £231 |
| Garden Office near Wednesbury | £29 | £230 |
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 - £17,320

Two storey extension - £87,730

Build a timber frame extension - £25,820

Build a swimming pool - £80,820

Single storey extension - £51,400

Side return extension - £39,475

Install an RSJ - £2,020

Outbuilding - £9,820

Build a Mansard loft conversion - £51,820

Loft conversion - £32,063

Build a kitchen extension - £41,820

Hip to gable loft conversion - £41,820

Granny annexe - £86,820

Garden office - £9,820

Convert a Garage - £15,820

Garage - £18,320

Build a flat roof extension - £21,820

Build a dormer loft conversion - £41,820

Concrete foundations - £6,070

Convert a bungalow loft - £28,820

Convert a basement - £35,475