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P ALLEN BUILDERS is an established and experienced local extension builder in CF39. Please contact us for a free, no obligation quote and competiti...
We are a small family run business, established over 35 years ago, specialising in Hard Landscaping (Patios) and Block Paving.We a...
From £51,616
Excel Home Design Ltd is an established extension buildering business in CF39. We come highly recommended and provide competitive quotes for your w...

Mansard loft conversions range from the cheapest installation of £51,552 (P ALLEN BUILDERS based in CF37) to the dearest of around £51,792 (J.S. Builders based in CF39).
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 CF39 by posting a job with HaMuch and we'll send it to extension builders in CF39.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Rhondda | £31 | £206 |
| Build A Mansard Loft Conversion near Rhondda, Cynon, Taff | £31 | £209 |
| Build A Mansard Loft Conversion near Pontypridd | £33 | £211 |
| Build A Mansard Loft Conversion near Church Village | £34 | £214 |
| Build A Mansard Loft Conversion near Aberdare | £32 | £212 |
| Build A Mansard Loft Conversion near Caerphilly | £33 | £208 |
| Build A Mansard Loft Conversion near Bridgend | £32 | £200 |
| Build A Mansard Loft Conversion near Maesteg | £38 | £283 |
| Build A Mansard Loft Conversion near Merthyr Tydfil | £33 | £220 |
| Build A Mansard Loft Conversion 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 - £17,153

Two storey extension - £87,480

Build a timber frame extension - £25,653

Build a swimming pool - £80,653

Single storey extension - £48,067

Side return extension - £37,600

Install an RSJ - £1,853

Outbuilding - £9,653

Build a Mansard loft conversion - £51,653

Loft conversion - £30,500

Build a kitchen extension - £41,653

Hip to gable loft conversion - £41,653

Granny annexe - £86,653

Garden office - £9,653

Convert a Garage - £15,653

Garage - £18,153

Build a flat roof extension - £21,653

Build a dormer loft conversion - £41,653

Concrete foundations - £5,903

Convert a bungalow loft - £28,653

Convert a basement - £33,600