Ethos Property Developments Limited is an established extension buildering business in OL8. We come highly recommended and provide competitive quot...
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 OL8? W WELSBY BUILDING SERVICE has been helping local clients (20 mile radius) with their extension buildering jobs fo...
Trusted and professional extension builder in OL8. Experienced in all extension buildering work and keeping within budget and on quote. We Build ha...
Trusted and professional extension builder in OL8. Experienced in all extension buildering work and keeping within budget and on quote. Fit-on Gara...
Relax... you have found a reliable extension builder in OL8. CM BUILDING SERVICES is a friendly and reliable company based in OL8 who consider no j...
McClean Builders are here to help customers who need an Extension Builder in OL8. We offer a competitive rate to complete all your extension builde...
Shehele
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Tony Holden
New era developments is a small local limited company. Who create better living spaces . On time and on buget. To a very high standard. Thanks tony...

Costs range from £86,776 (Valdecor based in OL8) to £88,072 (Northern Garage Conversion based in OL9), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to OL8.
"Two storey extension" - OLDHAM, job posted 04/10/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Oldham | £31 | £229 |
| Two Storey Extension near Chadderton | £31 | £225 |
| Two Storey Extension near Failsworth | £35 | £236 |
| Two Storey Extension near Ashton-under-Lyne | £36 | £232 |
| Two Storey Extension near Royton | £30 | £225 |
| Two Storey Extension near Droylsden | £34 | £237 |
| Two Storey Extension near Tameside | £35 | £232 |
| Two Storey Extension near Middleton | £31 | £227 |
| Two Storey Extension near Dukinfield | £35 | £232 |
| Two Storey Extension near Stalybridge | £38 | £231 |
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 - £17,260

Two storey extension - £87,640

Build a timber frame extension - £25,760

Build a swimming pool - £80,760

Single storey extension - £50,200

Side return extension - £38,800

Install an RSJ - £1,960

Outbuilding - £9,760

Build a Mansard loft conversion - £51,760

Loft conversion - £31,500

Build a kitchen extension - £41,760

Hip to gable loft conversion - £41,760

Granny annexe - £86,760

Garden office - £9,760

Convert a Garage - £15,760

Garage - £18,260

Build a flat roof extension - £21,760

Build a dormer loft conversion - £41,760

Concrete foundations - £6,010

Convert a bungalow loft - £28,760

Convert a basement - £34,800