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Select your affordable M24 extension builder
Paul Foran
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in M24? MK Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years. ...
McClean Builders are here to help customers who need an Extension Builder in M24. We offer a competitive rate to complete all your extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
phoenix builders is a trusted extension builder serving customers in M24 and the surrounding area. Contact us to today to get a competitive quote f...
We are a family ran business that has gone through three generations of management. We pride ourselves in providing the highest quality workmanship...
Ian Smedley
I G Smedley is an established and experienced local extension builder in M24. Please contact us for a free, no obligation quote and competitive rat...
PLP CONSTRUCTION LTD is an established and experienced local extension builder in M24. Please contact us for a free, no obligation quote and compet...
From £41,600
Mel Stewart
Trusted and professional extension builder in M24. Experienced in all extension buildering work and keeping within budget and on quote. Urban Stone...
From £41,344
Martin Taylor
Trading for over 11 years and 17 years expierience in the building trade, check f book page and google business page to see all my 5 star reviews&n...

In M24, prices for dormer loft conversions range from £40,960 (Aquatec Builder based in OL10) to £42,096 (N/W Builders based in Ol8), 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 M24. Post your job on HaMuch now and we'll put you in touch with available extension builders.
"Build a dormer loft conversion" - OL11, job posted 27/09/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Middleton | £31 | £227 |
| Build A Dormer Loft Conversion near Chadderton | £31 | £225 |
| Build A Dormer Loft Conversion near Heywood | £30 | £221 |
| Build A Dormer Loft Conversion near Royton | £30 | £225 |
| Build A Dormer Loft Conversion near Failsworth | £35 | £236 |
| Build A Dormer Loft Conversion near Oldham | £31 | £229 |
| Build A Dormer Loft Conversion near Prestwich | £31 | £233 |
| Build A Dormer Loft Conversion near Whitefield | £31 | £229 |
| Build A Dormer Loft Conversion near Rochdale | £30 | £221 |
| Build A Dormer Loft Conversion near Bury | £30 | £219 |
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 - £17,234

Two storey extension - £87,600

Build a timber frame extension - £25,734

Build a swimming pool - £80,734

Single storey extension - £49,672

Side return extension - £38,503

Install an RSJ - £1,934

Outbuilding - £9,734

Build a Mansard loft conversion - £51,734

Loft conversion - £31,253

Build a kitchen extension - £41,734

Hip to gable loft conversion - £41,734

Granny annexe - £86,734

Garden office - £9,734

Convert a Garage - £15,734

Garage - £18,234

Build a flat roof extension - £21,734

Build a dormer loft conversion - £41,734

Concrete foundations - £5,984

Convert a bungalow loft - £28,734

Convert a basement - £34,503