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Llanelli, SA15
Need an Extension Builder in Llanelli? KD Construction has been helping local clients (20 mile radius) with their extension buildering jobs for man...
NTW BUILDING is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation quote and competiti...
Relax... you have found a reliable extension builder in Llanelli. R M R BUILDING CONTRACTORS is a friendly and reliable company based in Llanelli w...
Llanelli Damp Proofing is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation quote and...
Relax... you have found a reliable extension builder in Llanelli. Home Maintenance & Improvement is a friendly and reliable company based in Llanel...
Andy Power
Worked in building all my working life.
Worked as a builder 30 plus year's.
Am a hands on builder. Have built hou...
Need an Extension Builder in Llanelli? Graham & Co Home Improvement Specialists has been helping local clients (20 mile radius) with their extensio...
Colin Cole - Total Renovations is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation q...
From £35,880
RTC BUILDERS is a trusted extension builder serving customers in Llanelli and the surrounding area. Contact us to today to get a competitive quote ...
From £35,790
Rowan Evans Building Contractors is an established extension buildering business in Llanelli. We come highly recommended and provide competitive qu...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in Llanelli by posting a job with HaMuch and we will send it to extension builders in Llanelli.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Llanelli | £29 | £231 |
| Convert A Basement near Gorseinon | £29 | £228 |
| Convert A Basement near Swansea | £29 | £229 |
| Convert A Basement near Carmarthen | £26 | £205 |
| Convert A Basement near Carmarthenshire | £26 | £205 |
| Convert A Basement near Neath | £30 | £225 |
| Convert A Basement near Port Talbot | £31 | £227 |
| Convert A Basement near Neath Port Talbot | £31 | £224 |
| Convert A Basement near Maesteg | £38 | £283 |
| Convert A Basement 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 - £17,449

Two storey extension - £87,923

Build a timber frame extension - £25,949

Build a swimming pool - £80,949

Single storey extension - £53,976

Side return extension - £40,924

Install an RSJ - £2,149

Outbuilding - £9,949

Build a Mansard loft conversion - £51,949

Loft conversion - £33,270

Build a kitchen extension - £41,949

Hip to gable loft conversion - £41,949

Granny annexe - £86,949

Garden office - £9,949

Convert a Garage - £15,949

Garage - £18,449

Build a flat roof extension - £21,949

Build a dormer loft conversion - £41,949

Concrete foundations - £6,199

Convert a bungalow loft - £28,949

Convert a basement - £36,924