Barlam Drylining Ltd are here to help customers who need an Extension Builder in Merthyr Tydfil. We offer a competitive rate to complete all your e...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,292
Need an Extension Builder in Merthyr Tydfil? A POWELL CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension builder...
From £87,712
Dare Fitness is an established extension buildering business in Merthyr Tydfil. We come highly recommended and provide competitive quotes for your ...
From £87,364
L E JONES BUILDER is an established extension buildering business in Merthyr Tydfil. We come highly recommended and provide competitive quotes for ...

Costs range from £87,292 (A POWELL CONSTRUCTION LTD based in CF44) to £87,844 (Barlam Drylining Ltd based in CF45), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Merthyr Tydfil | £33 | £220 |
| Two Storey Extension near Aberdare | £32 | £212 |
| Two Storey Extension near Tredegar | £30 | £217 |
| Two Storey Extension near Rhondda, Cynon, Taff | £31 | £209 |
| Two Storey Extension near Ebbw Vale | £30 | £217 |
| Two Storey Extension near Rhondda | £31 | £206 |
| Two Storey Extension near Pontypridd | £33 | £211 |
| Two Storey Extension near Church Village | £34 | £214 |
| Two Storey Extension near Caerphilly | £33 | £208 |
| Two Storey Extension near Pontypool | £30 | £210 |
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 - £17,202

Two storey extension - £87,554

Build a timber frame extension - £25,702

Build a swimming pool - £80,702

Single storey extension - £49,048

Side return extension - £38,152

Install an RSJ - £1,902

Outbuilding - £9,702

Build a Mansard loft conversion - £51,702

Loft conversion - £30,960

Build a kitchen extension - £41,702

Hip to gable loft conversion - £41,702

Granny annexe - £86,702

Garden office - £9,702

Convert a Garage - £15,702

Garage - £18,202

Build a flat roof extension - £21,702

Build a dormer loft conversion - £41,702

Concrete foundations - £5,952

Convert a bungalow loft - £28,702

Convert a basement - £34,152