From £9,528
Need an Extension Builder in CF42? A POWELL CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £9,576
L E JONES BUILDER is an established extension buildering business in CF42. We come highly recommended and provide competitive quotes for your work....

Garden offices range from the cheapest of £9,528 (A POWELL CONSTRUCTION LTD based in CF44) to the dearest of £9,576 (L E JONES BUILDER based in CF43), 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 CF42 by posting a job with HaMuch. We'll send it to extension builders in CF42.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Rhondda, Cynon, Taff | £31 | £209 |
| Garden Office near Aberdare | £32 | £212 |
| Garden Office near Rhondda | £31 | £206 |
| Garden Office near Maesteg | £38 | £283 |
| Garden Office near Merthyr Tydfil | £33 | £220 |
| Garden Office near Pontypridd | £33 | £211 |
| Garden Office near Neath Port Talbot | £31 | £224 |
| Garden Office near Church Village | £34 | £214 |
| Garden Office near Bridgend | £32 | £200 |
| Garden Office near Pyle | £34 | £262 |
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 - £17,052

Two storey extension - £87,328

Build a timber frame extension - £25,552

Build a swimming pool - £80,552

Single storey extension - £46,040

Side return extension - £36,460

Install an RSJ - £1,752

Outbuilding - £9,552

Build a Mansard loft conversion - £51,552

Loft conversion - £29,550

Build a kitchen extension - £41,552

Hip to gable loft conversion - £41,552

Granny annexe - £86,552

Garden office - £9,552

Convert a Garage - £15,552

Garage - £18,052

Build a flat roof extension - £21,552

Build a dormer loft conversion - £41,552

Concrete foundations - £5,802

Convert a bungalow loft - £28,552

Convert a basement - £32,460