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Max Sandford & San
Carmarthen, SA31
Need to find an Extension Builder near you for all your extension buildering work?
Max Sandford & San provides a local, trusted extension b...
"Loft conversion" - CARMARTHENSHIRE, job posted 23/09/24
G.I Davies & Son
Need to find an Extension Builder near you for all your extension buildering work?
G.I Davies & Son provides a local, trusted extension bui...
"Loft conversion" - CARMARTHENSHIRE, job posted 21/03/24
D.A Fisher General Builders
D.A Fisher General Builders is an established and experienced local extension builder in Carmarthen. Please contact us for a free, no obligation qu...
£27/hr
£217/day
F & E Construction
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£25/hr
£242/day
N Morgans & Son Ltd
Nigel Morgans
Carmarthen, SA33
Need to find an Extension Builder near you for all your extension buildering work?
N Morgans & Son Ltd provides a local, trusted extension ...
Compare Carmarthen extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Carmarthen | £26 | £205 |
| Extension Builders near Carmarthenshire | £26 | £205 |
| Extension Builders near Llanelli | £29 | £231 |
| Extension Builders near Gorseinon | £29 | £228 |
| Extension Builders near Swansea | £29 | £229 |
| Extension Builders near Neath | £30 | £225 |
| Extension Builders near Neath Port Talbot | £31 | £224 |
| Extension Builders near Pembrokeshire | £19 | £163 |
| Extension Builders near Port Talbot | £31 | £227 |
| Extension Builders near Milford Haven | £18 | £159 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £25,696

Garden office - £9,696

Granny annexe - £86,696

Build a flat roof extension - £21,696

Convert a Garage - £15,696

Hip to gable loft conversion - £41,696

Convert a bungalow loft - £28,696

Build a dormer loft conversion - £41,696

Build a swimming pool - £80,696

Build a Mansard loft conversion - £51,696

Concrete foundations - £5,946

Underpin a building - £17,196

Two storey extension - £87,544

Convert a basement - £34,080

Side return extension - £38,080

Loft conversion - £30,900

Garage - £18,196

Single storey extension - £48,920

Outbuilding - £9,696

Install an RSJ - £1,896

Build a kitchen extension - £41,696
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