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S ROBERTS ROOFING are here to help customers who need an Extension Builder in Denbigh. We offer a competitive rate to complete all your extension b...
Relax... you have found a reliable extension builder in Denbigh. L & J BUILDERS is a friendly and reliable company based in Denbigh who consider no...
From £51,448
Shaun Davies
We are a company with over 30 years of experience. Who pride ourselves by providing a honest reliable service

Mansard loft conversions range from the cheapest installation of £51,448 (S A Davies Sustainable Construction Limited based in CH7) to the dearest of around £51,896 (L & J BUILDERS based in LL15).
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 Denbigh by posting a job with HaMuch and we'll send it to extension builders in Denbigh.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Rhyl | £28 | £209 |
| Build A Mansard Loft Conversion near Prestatyn | £29 | £213 |
| Build A Mansard Loft Conversion near Flintshire | £33 | £224 |
| Build A Mansard Loft Conversion near Colwyn Bay | £28 | £211 |
| Build A Mansard Loft Conversion near Connah's Quay | £33 | £229 |
| Build A Mansard Loft Conversion near Hawarden | £33 | £228 |
| Build A Mansard Loft Conversion near Heswall | £30 | £213 |
| Build A Mansard Loft Conversion near Conwy | £28 | £211 |
| Build A Mansard Loft Conversion near Conway | £28 | £211 |
| Build A Mansard Loft Conversion near Vale Royal | £35 | £251 |
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 - £17,100

Two storey extension - £87,400

Build a timber frame extension - £25,600

Build a swimming pool - £80,600

Single storey extension - £47,000

Side return extension - £37,000

Install an RSJ - £1,800

Outbuilding - £9,600

Build a Mansard loft conversion - £51,600

Loft conversion - £30,000

Build a kitchen extension - £41,600

Hip to gable loft conversion - £41,600

Granny annexe - £86,600

Garden office - £9,600

Convert a Garage - £15,600

Garage - £18,100

Build a flat roof extension - £21,600

Build a dormer loft conversion - £41,600

Concrete foundations - £5,850

Convert a bungalow loft - £28,600

Convert a basement - £33,000