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Select your affordable Monmouthshire extension builder
Eric J Ivins is a trusted extension builder serving customers in Monmouthshire and the surrounding area. Contact us to today to get a competitive q...
Need to find an Extension Builder near you for all your extension buildering work?
PARTRIDGE - WILSON BUILDERS provides a local, trusted ex...
D BENDON CONSTRUCTION LTD is an established and experienced local extension builder in Monmouthshire. Please contact us for a free, no obligation q...
OWEN BROTHERS CONSTRUCTION LTD are here to help customers who need an Extension Builder in Monmouthshire. We offer a competitive rate to complete a...
Our building services company JSP Carpentry & Building Services has 15 years of experience in the industry. Since then, we have been helping custom...
From £51,608
Relax... you have found a reliable extension builder in Monmouthshire. HEDLYN BUILDING CONTRACTORS is a friendly and reliable company based in Mon...
From £51,944
H VAUGHAN BUILDERS is an established extension buildering business in Monmouthshire. We come highly recommended and provide competitive quotes for ...

Mansard loft conversions range from the cheapest installation of £51,568 (D BENDON CONSTRUCTION LTD based in NP4) to the dearest of around £51,984 (PARTRIDGE - WILSON BUILDERS based in NP44).
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 Monmouthshire by posting a job with HaMuch and we'll send it to extension builders in Monmouthshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Pontypool | £30 | £210 |
| Build A Mansard Loft Conversion near Cwmbran | £43 | £219 |
| Build A Mansard Loft Conversion near Newport | £41 | £233 |
| Build A Mansard Loft Conversion near Risca | £32 | £218 |
| Build A Mansard Loft Conversion near Ebbw Vale | £30 | £217 |
| Build A Mansard Loft Conversion near Tredegar | £30 | £217 |
| Build A Mansard Loft Conversion near Caerphilly | £33 | £208 |
| Build A Mansard Loft Conversion near Portishead | £33 | £247 |
| Build A Mansard Loft Conversion near Bradley Stoke | £34 | £259 |
| Build A Mansard Loft Conversion near Clevedon | £32 | £243 |
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 - £17,276

Two storey extension - £87,664

Build a timber frame extension - £25,776

Build a swimming pool - £80,776

Single storey extension - £50,520

Side return extension - £38,980

Install an RSJ - £1,976

Outbuilding - £9,776

Build a Mansard loft conversion - £51,776

Loft conversion - £31,650

Build a kitchen extension - £41,776

Hip to gable loft conversion - £41,776

Granny annexe - £86,776

Garden office - £9,776

Convert a Garage - £15,776

Garage - £18,276

Build a flat roof extension - £21,776

Build a dormer loft conversion - £41,776

Concrete foundations - £6,026

Convert a bungalow loft - £28,776

Convert a basement - £34,980