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Adam Porter
Need to find an Extension Builder near you for all your extension buildering work?
A-Pex Building provides a local, trusted extension build...
From £51,824
Relax... you have found a reliable extension builder in Deal. Cosbuild and Maintenance ltd is a friendly and reliable company based in Deal who con...
From £51,536
4D BUILDERS LTD are here to help customers who need an Extension Builder in Deal. We offer a competitive rate to complete all your e...

Mansard loft conversions range from the cheapest installation of £51,368 (A-Pex Building based in CT17) to the dearest of around £51,824 (Cosbuild and Maintenance ltd based in CT17).
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 Deal by posting a job with HaMuch and we'll send it to extension builders in Deal.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Deal | £26 | £199 |
| Build A Mansard Loft Conversion near Dover | £29 | £226 |
| Build A Mansard Loft Conversion near Margate | £27 | £208 |
| Build A Mansard Loft Conversion near Ramsgate | £27 | £208 |
| Build A Mansard Loft Conversion near Broadstairs | £27 | £208 |
| Build A Mansard Loft Conversion near Thanet | £27 | £207 |
| Build A Mansard Loft Conversion near Folkestone | £31 | £233 |
| Build A Mansard Loft Conversion near Canterbury | £31 | £232 |
| Build A Mansard Loft Conversion near Herne Bay | £28 | £213 |
| Build A Mansard Loft Conversion near Hythe | £31 | £228 |
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 - £17,076

Two storey extension - £87,364

Build a timber frame extension - £25,576

Build a swimming pool - £80,576

Single storey extension - £46,520

Side return extension - £36,730

Install an RSJ - £1,776

Outbuilding - £9,576

Build a Mansard loft conversion - £51,576

Loft conversion - £29,775

Build a kitchen extension - £41,576

Hip to gable loft conversion - £41,576

Granny annexe - £86,576

Garden office - £9,576

Convert a Garage - £15,576

Garage - £18,076

Build a flat roof extension - £21,576

Build a dormer loft conversion - £41,576

Concrete foundations - £5,826

Convert a bungalow loft - £28,576

Convert a basement - £32,730