Need to find an Extension Builder near you for all your extension buildering work?
Max Sandford & San provides a local, trusted extension b...
Need an Extension Builder in SA33? KD Construction has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
NTW BUILDING is an established and experienced local extension builder in SA33. Please contact us for a free, no obligation quote and competitive r...
Relax... you have found a reliable extension builder in SA33. R M R BUILDING CONTRACTORS is a friendly and reliable company based in SA33 who consi...
Need to find an Extension Builder near you for all your extension buildering work?
G.I Davies & Son provides a local, trusted extension bui...
Llanelli Damp Proofing is an established and experienced local extension builder in SA33. Please contact us for a free, no obligation quote and com...
Relax... you have found a reliable extension builder in SA33. Home Maintenance & Improvement is a friendly and reliable company based in SA33 who c...
D.A Fisher General Builders is an established and experienced local extension builder in SA33. Please contact us for a free, no obligation quote an...
Worked in building all my working life.
Worked as a builder 30 plus year's.
Am a hands on builder. Have built hou...
Shane Griffiths & Son Ltd is a trusted extension builder serving customers in SA33 and the surrounding area. Contact us to today to get a competiti...

Costs range from £87,340 (NTW BUILDING based in SA15) to £89,536 (KD Construction based in SA15), 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 Carmarthenshire | £26 | £205 |
| Two Storey Extension near Carmarthen | £26 | £205 |
| Two Storey Extension near Llanelli | £29 | £231 |
| Two Storey Extension near Gorseinon | £29 | £228 |
| Two Storey Extension near Pembrokeshire | £19 | £163 |
| Two Storey Extension near Swansea | £29 | £229 |
| Two Storey Extension near Milford Haven | £18 | £159 |
| Two Storey Extension near Neath | £30 | £225 |
| Two Storey Extension near Neath Port Talbot | £31 | £224 |
| Two Storey Extension near Port Talbot | £31 | £227 |
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 - £17,384

Two storey extension - £87,826

Build a timber frame extension - £25,884

Build a swimming pool - £80,884

Single storey extension - £52,680

Side return extension - £40,195

Install an RSJ - £2,084

Outbuilding - £9,884

Build a Mansard loft conversion - £51,884

Loft conversion - £32,663

Build a kitchen extension - £41,884

Hip to gable loft conversion - £41,884

Granny annexe - £86,884

Garden office - £9,884

Convert a Garage - £15,884

Garage - £18,384

Build a flat roof extension - £21,884

Build a dormer loft conversion - £41,884

Concrete foundations - £6,134

Convert a bungalow loft - £28,884

Convert a basement - £36,195