We send your job to ALL Westhoughton extension builders
Available extension builders in Westhoughton reply
Select your affordable Westhoughton extension builder
Relax... you have found a reliable extension builder in Westhoughton. Jc Properties is a friendly and reliable company based in Westhoughton who co...
Need to find an Extension Builder near you for all your extension buildering work?
NJD Joinery provides a local, trusted extension builderi...
Trusted and professional extension builder in Westhoughton. Experienced in all extension buildering work and keeping within budget and on quote. JC...
Homeowners look no further if you want a qualified extension builder to work in your home. T K O Kitchens & Construction are tidy and neat, providi...
Stephen Lowe
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Westhoughton. David Anderson Builders is a friendly and reliable company based in Westhough...
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...
Wallplas is an established extension buildering business in Westhoughton. We come highly recommended and provide competitive quotes for your work.<...
WWS Garage Doors & Shutters is a trusted extension builder serving customers in Westhoughton and the surrounding area. Contact us to today to get a...
Fishers Building & Paving Ltd is an established extension buildering business in Westhoughton. We come highly recommended and provide competitive q...

In Westhoughton, prices for dormer loft conversions range from £41,600 (SPL Building Services based in WN3) to £41,984 (JCR Construction based in WN6), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Westhoughton. Post your job on HaMuch now and we'll put you in touch with available extension builders.
"Dormer loft conversion" - BL3, job posted 07/05/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Westhoughton | £31 | £222 |
| Build A Dormer Loft Conversion near Atherton | £31 | £223 |
| Build A Dormer Loft Conversion near Hindley | £30 | £219 |
| Build A Dormer Loft Conversion near Horwich | £30 | £219 |
| Build A Dormer Loft Conversion near Leigh | £31 | £224 |
| Build A Dormer Loft Conversion near Bolton | £31 | £219 |
| Build A Dormer Loft Conversion near Little Hulton | £31 | £220 |
| Build A Dormer Loft Conversion near Farnworth | £30 | £219 |
| Build A Dormer Loft Conversion near Wigan | £30 | £220 |
| Build A Dormer 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 - £17,254

Two storey extension - £87,632

Build a timber frame extension - £25,754

Build a swimming pool - £80,754

Single storey extension - £50,088

Side return extension - £38,737

Install an RSJ - £1,954

Outbuilding - £9,754

Build a Mansard loft conversion - £51,754

Loft conversion - £31,448

Build a kitchen extension - £41,754

Hip to gable loft conversion - £41,754

Granny annexe - £86,754

Garden office - £9,754

Convert a Garage - £15,754

Garage - £18,254

Build a flat roof extension - £21,754

Build a dormer loft conversion - £41,754

Concrete foundations - £6,004

Convert a bungalow loft - £28,754

Convert a basement - £34,737