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Select your affordable Carmarthenshire extension builder
Need to find an Extension Builder near you for all your extension buildering work?
Max Sandford & San provides a local, trusted extension b...
Need to find an Extension Builder near you for all your extension buildering work?
G.I Davies & Son provides a local, trusted extension bui...
D.A Fisher General Builders is an established and experienced local extension builder in Carmarthenshire. Please contact us for a free, no obligati...
From £51,736
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £51,936
Nigel Morgans
Need to find an Extension Builder near you for all your extension buildering work?
N Morgans & Son Ltd provides a local, trusted extension ...

Mansard loft conversions range from the cheapest installation of £51,576 (G.I Davies & Son based in SA32) to the dearest of around £51,936 (N Morgans & Son Ltd based in SA33).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in Carmarthenshire by posting a job with HaMuch and we'll send it to extension builders in Carmarthenshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Carmarthenshire | £26 | £205 |
| Build A Mansard Loft Conversion near Carmarthen | £26 | £205 |
| Build A Mansard Loft Conversion near Llanelli | £29 | £231 |
| Build A Mansard Loft Conversion near Gorseinon | £29 | £229 |
| Build A Mansard Loft Conversion near Swansea | £29 | £230 |
| Build A Mansard Loft Conversion near Neath | £30 | £227 |
| Build A Mansard Loft Conversion near Neath Port Talbot | £31 | £224 |
| Build A Mansard Loft Conversion near Pembrokeshire | £19 | £163 |
| Build A Mansard Loft Conversion near Port Talbot | £31 | £227 |
| Build A Mansard Loft Conversion near Milford Haven | £18 | £159 |
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 - £17,198

Two storey extension - £87,546

Build a timber frame extension - £25,698

Build a swimming pool - £80,698

Single storey extension - £48,952

Side return extension - £38,098

Install an RSJ - £1,898

Outbuilding - £9,698

Build a Mansard loft conversion - £51,698

Loft conversion - £30,915

Build a kitchen extension - £41,698

Hip to gable loft conversion - £41,698

Granny annexe - £86,698

Garden office - £9,698

Convert a Garage - £15,698

Garage - £18,198

Build a flat roof extension - £21,698

Build a dormer loft conversion - £41,698

Concrete foundations - £5,948

Convert a bungalow loft - £28,698

Convert a basement - £34,098