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Relax... you have found a reliable extension builder in St Blaise. BUILDMARK BUILDERS is a friendly and reliable company based in St Blaise who con...
SANDSTONE BUILDERS T/A is a trusted extension builder serving customers in St Blaise and the surrounding area. Contact us to today to get a competi...
From £52,088
Need an Extension Builder in St Blaise? DAVEY CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs...
From £51,784
HAM & PEARCE CONSTRUCTION LTD is a trusted extension builder serving customers in St Blaise and the surrounding area. Contact us to today to get a ...
From £51,840
Aston Construction Project Management is a trusted extension builder serving customers in St Blaise and the surrounding area. Contact us to today t...
From £52,088
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £52,104
We are a part of the award-winning Refresh Renovation franchise network.Whether you want a simple bathroom remodel, or a large double storey extens...
From £52,104
Need an Extension Builder in St Blaise? Paul Clarke Architectural Builders has been helping local clients (20 mile radius) with their extension bui...
From £52,064
Probuild was set up as a platform to service clients with High End affordable quality Construction & project Management with solid advice & accurat...
From £52,208
We are specialist in All aspects of Masonry & General Building Works. We also offer a Design and Build service to suit your requirements.At Burton ...

Mansard loft conversions range from the cheapest installation of £51,784 (HAM & PEARCE CONSTRUCTION LTD based in PL23) to the dearest of around £52,208 (Burton Construction based in PL31).
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 St Blaise by posting a job with HaMuch and we'll send it to extension builders in St Blaise.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near St Austell | £38 | £245 |
| Build A Mansard Loft Conversion near Truro | £31 | £206 |
| Build A Mansard Loft Conversion near Newquay | £32 | £230 |
| Build A Mansard Loft Conversion near Falmouth | £33 | £220 |
| Build A Mansard Loft Conversion near Plymouth | £30 | £230 |
| Build A Mansard Loft Conversion near Camborne | £28 | £196 |
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 - £17,504

Two storey extension - £88,006

Build a timber frame extension - £26,004

Build a swimming pool - £81,004

Single storey extension - £55,080

Side return extension - £41,545

Install an RSJ - £2,204

Outbuilding - £10,004

Build a Mansard loft conversion - £52,004

Loft conversion - £33,788

Build a kitchen extension - £42,004

Hip to gable loft conversion - £42,004

Granny annexe - £87,004

Garden office - £10,004

Convert a Garage - £16,004

Garage - £18,504

Build a flat roof extension - £22,004

Build a dormer loft conversion - £42,004

Concrete foundations - £6,254

Convert a bungalow loft - £29,004

Convert a basement - £37,545