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P ALLEN BUILDERS is an established and experienced local extension builder in Rhondda. Please contact us for a free, no obligation quote and compet...
Barlam Drylining Ltd are here to help customers who need an Extension Builder in Rhondda. We offer a competitive rate to complete all your extensio...
We are a small family run business, established over 35 years ago, specialising in Hard Landscaping (Patios) and Block Paving.We a...
Relax... you have found a reliable extension builder in Rhondda. WESTGATE BUILDING SERVICES LTD is a friendly and reliable company based in Rhondda...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
S J S Services (Wales) Ltd is a trusted extension builder serving customers in Rhondda and the surrounding area. Contact us to today to get a compe...
Need an Extension Builder in Rhondda? SP Property Maintenance has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £9,528
Need an Extension Builder in Rhondda? A POWELL CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering job...
From £9,616
Excel Home Design Ltd is an established extension buildering business in Rhondda. We come highly recommended and provide competitive quotes for you...
From £9,576
L E JONES BUILDER is an established extension buildering business in Rhondda. We come highly recommended and provide competitive quotes for your wo...

Garden offices range from the cheapest of £9,528 (A POWELL CONSTRUCTION LTD based in CF44) to the dearest of £9,896 (Barlam Drylining Ltd based in CF45), 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 Rhondda by posting a job with HaMuch. We'll send it to extension builders in Rhondda.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Rhondda | £31 | £206 |
| Garden Office near Rhondda, Cynon, Taff | £31 | £209 |
| Garden Office near Pontypridd | £33 | £211 |
| Garden Office near Church Village | £34 | £214 |
| Garden Office near Aberdare | £32 | £212 |
| Garden Office near Caerphilly | £33 | £208 |
| Garden Office near Merthyr Tydfil | £33 | £220 |
| Garden Office near Maesteg | £38 | £283 |
| Garden Office near Bridgend | £32 | £200 |
| Garden Office near Tredegar | £30 | £217 |
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 - £17,203

Two storey extension - £87,555

Build a timber frame extension - £25,703

Build a swimming pool - £80,703

Single storey extension - £49,064

Side return extension - £38,161

Install an RSJ - £1,903

Outbuilding - £9,703

Build a Mansard loft conversion - £51,703

Loft conversion - £30,968

Build a kitchen extension - £41,703

Hip to gable loft conversion - £41,703

Granny annexe - £86,703

Garden office - £9,703

Convert a Garage - £15,703

Garage - £18,203

Build a flat roof extension - £21,703

Build a dormer loft conversion - £41,703

Concrete foundations - £5,953

Convert a bungalow loft - £28,703

Convert a basement - £34,161