Need an Extension Builder in Widnes? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
Richie Crawley
Relax... you have found a reliable extension builder in Widnes. R A C Gas is a friendly and reliable company based in Widnes who consider no job as...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
Relax... you have found a reliable extension builder in Widnes. R Sargeant is a friendly and reliable company based in Widnes who consider no job a...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Fixit Cheshire is an established and experienced local extension builder in Widnes. Please contact us for a free, no obligation quote and competiti...
J.T.Construction is a trusted extension builder serving customers in Widnes and the surrounding area. Contact us to today to get a competitive quot...
Get an Extension Builder in Widnes who you can trust. National Plumbing and Heating provide friendly and reliable extension buildering services to ...
Mark Robinson
Trusted and professional extension builder in Widnes. Experienced in all extension buildering work and keeping within budget and on quote. M L R Bu...

Mansard loft conversions range from the cheapest installation of £51,608 (R A C Gas based in WA7) to the dearest of around £51,992 (J.T.Construction based in WA5).
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 Widnes by posting a job with HaMuch and we'll send it to extension builders in Widnes.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Widnes | £31 | £220 |
| Build A Mansard Loft Conversion near Halton | £31 | £220 |
| Build A Mansard Loft Conversion near Runcorn | £33 | £228 |
| Build A Mansard Loft Conversion near Huyton with Roby | £31 | £225 |
| Build A Mansard Loft Conversion near Prescot | £31 | £223 |
| Build A Mansard Loft Conversion near Knowsley | £31 | £222 |
| Build A Mansard Loft Conversion near St Helens | £31 | £224 |
| Build A Mansard Loft Conversion near Warrington | £31 | £222 |
| Build A Mansard Loft Conversion near Newton-le-Willows | £31 | £221 |
| Build A Mansard Loft Conversion near Golborne | £30 | £222 |
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 - £17,248

Two storey extension - £87,622

Build a timber frame extension - £25,748

Build a swimming pool - £80,748

Single storey extension - £49,960

Side return extension - £38,665

Install an RSJ - £1,948

Outbuilding - £9,748

Build a Mansard loft conversion - £51,748

Loft conversion - £31,388

Build a kitchen extension - £41,748

Hip to gable loft conversion - £41,748

Granny annexe - £86,748

Garden office - £9,748

Convert a Garage - £15,748

Garage - £18,248

Build a flat roof extension - £21,748

Build a dormer loft conversion - £41,748

Concrete foundations - £5,998

Convert a bungalow loft - £28,748

Convert a basement - £34,665