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KD Construction
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...
"New House extension" - SA4, job posted 26/01/25
NTW BUILDING
NTW BUILDING is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation quote and competiti...
R M R BUILDING CONTRACTORS
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
Llanelli Damp Proofing is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation quote and...
Home Maintenance & Improvement
Relax... you have found a reliable extension builder in Llanelli. Home Maintenance & Improvement is a friendly and reliable company based in Llanel...
Apex Building Services
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...
Graham & Co Home Improvement Specialists
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
Colin Cole - Total Renovations is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation q...
£28/hr
£218/day
L2 Construction Limited
L2 Construction Limited is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation quote an...
£28/hr
£232/day
RTC BUILDERS
RTC BUILDERS is a trusted extension builder serving customers in Llanelli and the surrounding area. Contact us to today to get a competitive quote ...
£30/hr
£231/day
Rowan Evans Building Contractors
Rowan Evans Building Contractors is an established extension buildering business in Llanelli. We come highly recommended and provide competitive qu...
£25/hr
£204/day
Haven Commercial Contractors Ltd
Need an Extension Builder in Llanelli? Haven Commercial Contractors Ltd has been helping local clients (20 mile radius) with their extension builde...
£25/hr
£200/day
HAYDN LEWIS BUILDING SVS LTD
Experienced extension builder ready to quote for your work. HAYDN LEWIS BUILDING SVS LTD is the best extension builder in Llanelli. No obligation f...
£29/hr
£238/day
Asj Building Services
Relax... you have found a reliable extension builder in Llanelli. Asj Building Services is a friendly and reliable company based in Llanelli who co...
£28/hr
£227/day
Glance Building Services
Glance Building Services is a trusted extension builder serving customers in Llanelli and the surrounding area. Contact us to today to get a compet...
£27/hr
£213/day
WW BUILDERS
Experienced extension builder ready to quote for your work. WW BUILDERS is the best extension builder in Llanelli. No obligation free quotes and m...
£27/hr
£209/day
Custom Build Construction
Custom Build Construction are here to help customers who need an Extension Builder in Llanelli. We offer a competitive rate to complete all your ex...
£26/hr
£204/day
Building Service Controls Ltd
Building Service Controls Ltd is an established and experienced local extension builder in Llanelli. Please contact us for a free, no obligation qu...
Compare Llanelli extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Llanelli | £29 | £231 |
| Extension Builders near Gorseinon | £29 | £228 |
| Extension Builders near Swansea | £29 | £229 |
| Extension Builders near Carmarthen | £26 | £205 |
| Extension Builders near Carmarthenshire | £26 | £205 |
| Extension Builders near Neath | £30 | £225 |
| Extension Builders near Port Talbot | £31 | £227 |
| Extension Builders near Neath Port Talbot | £31 | £224 |
| Extension Builders near Maesteg | £38 | £283 |
| Extension Builders near Pyle | £34 | £262 |
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 - £25,848

Garden office - £9,848

Granny annexe - £86,848

Build a flat roof extension - £21,848

Convert a Garage - £15,848

Hip to gable loft conversion - £41,848

Convert a bungalow loft - £28,848

Build a dormer loft conversion - £41,848

Build a swimming pool - £80,848

Build a Mansard loft conversion - £51,848

Concrete foundations - £6,098

Underpin a building - £17,348

Two storey extension - £87,772

Convert a basement - £35,790

Side return extension - £39,790

Loft conversion - £32,325

Garage - £18,348

Single storey extension - £51,960

Outbuilding - £9,848

Install an RSJ - £2,048

Build a kitchen extension - £41,848
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