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Select your affordable Cymmer extension builder
P ALLEN BUILDERS is an established and experienced local extension builder in Cymmer. Please contact us for a free, no obligation quote and competi...
Barlam Drylining Ltd are here to help customers who need an Extension Builder in Cymmer. We offer a competitive rate to complete all your extension...
Cymmer, CF39
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 Cymmer. WESTGATE BUILDING SERVICES LTD is a friendly and reliable company based in Cymmer w...
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 Cymmer and the surrounding area. Contact us to today to get a compet...
Need an Extension Builder in Cymmer? SP Property Maintenance has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £45,560
Need an Extension Builder in Cymmer? A POWELL CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs...
From £47,320
Excel Home Design Ltd is an established extension buildering business in Cymmer. We come highly recommended and provide competitive quotes for your...
From £46,520
L E JONES BUILDER is an established extension buildering business in Cymmer. We come highly recommended and provide competitive quotes for your wor...

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Rhondda | £31 | £206 |
| Single Storey Extension near Rhondda, Cynon, Taff | £31 | £209 |
| Single Storey Extension near Pontypridd | £33 | £211 |
| Single Storey Extension near Church Village | £34 | £214 |
| Single Storey Extension near Aberdare | £32 | £212 |
| Single Storey Extension near Caerphilly | £33 | £208 |
| Single Storey Extension near Bridgend | £32 | £200 |
| Single Storey Extension near Maesteg | £38 | £283 |
| Single Storey Extension near Merthyr Tydfil | £33 | £220 |
| Single Storey Extension 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 - £17,203

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