Trusted and professional extension builder in Ashton-in-makerfield. Experienced in all extension buildering work and keeping within budget and on q...
Need an Extension Builder in Ashton-in-makerfield? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jo...
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 Ashton-in-makerfield. Jc Properties is a friendly and reliable company based in Ashton-in-m...
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...
HAROLD ROBINSON
HAROLDS CORP is a trusted extension builder serving customers in Ashton-in-makerfield and the surrounding area. Contact us to today to get a compet...
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 Ashton-in-makerfield. Please contact us for a free, no obligation quote...
J.T.Construction is a trusted extension builder serving customers in Ashton-in-makerfield and the surrounding area. Contact us to today to get a co...

In Ashton-in-makerfield, prices for dormer loft conversions range from £41,592 (Mike's Home Improvements based in M46) to £42,048 (HAROLDS CORP based in WN2), 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 Ashton-in-makerfield. Post your job on HaMuch now and we'll put you in touch with available extension builders.
"Dormer loft conversion" - ST HELENS, job posted 10/02/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Ashton-in-Makerfield | £30 | £220 |
| Build A Dormer Loft Conversion near Golborne | £30 | £222 |
| Build A Dormer Loft Conversion near Newton-le-Willows | £31 | £221 |
| Build A Dormer Loft Conversion near Wigan | £30 | £220 |
| Build A Dormer Loft Conversion near Hindley | £30 | £219 |
| Build A Dormer Loft Conversion near Orrell | £29 | £214 |
| Build A Dormer Loft Conversion near St Helens | £31 | £224 |
| Build A Dormer Loft Conversion near Leigh | £31 | £224 |
| Build A Dormer Loft Conversion near Westhoughton | £31 | £222 |
| Build A Dormer Loft Conversion near Skelmersdale | £28 | £210 |
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 - £17,287

Two storey extension - £87,681

Build a timber frame extension - £25,787

Build a swimming pool - £80,787

Single storey extension - £50,744

Side return extension - £39,106

Install an RSJ - £1,987

Outbuilding - £9,787

Build a Mansard loft conversion - £51,787

Loft conversion - £31,755

Build a kitchen extension - £41,787

Hip to gable loft conversion - £41,787

Granny annexe - £86,787

Garden office - £9,787

Convert a Garage - £15,787

Garage - £18,287

Build a flat roof extension - £21,787

Build a dormer loft conversion - £41,787

Concrete foundations - £6,037

Convert a bungalow loft - £28,787

Convert a basement - £35,106