From £35,790
I teach others on how to achieve flawless finishes through my blog on my website. i also am a stickler for perfection. I'm very friendly and punctu...
From £36,510
Relax... you have found a reliable extension builder in OL4. CM BUILDING SERVICES is a friendly and reliable company based in OL4 who consider no j...
From £34,800
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £33,540
Palm Developments is an established extension buildering business in OL4. We come highly recommended and provide competitive quotes for your work.<...
From £33,810
Experienced extension builder ready to quote for your work. KG Builders & Construction Ltd is the best extension builder in OL4. No obligation free...
From £39,750
ANDREW WOOD CONSTRUCTION (SADDLEWORTH) LTD is an established extension buildering business in OL4. We come highly recommended and provide competiti...
From £38,040
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £38,580
We are a family ran business that has gone through three generations of management. We pride ourselves in providing the highest quality workmanship...
From £33,360
Trusted and professional extension builder in OL4. Experienced in all extension buildering work and keeping within budget and on quote. Fit-on Gara...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in OL4 by posting a job with HaMuch and we will send it to extension builders in OL4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Oldham | £27 | £198 |
| Convert A Basement near Royton | £26 | £195 |
| Convert A Basement near Chadderton | £26 | £194 |
| Convert A Basement near Ashton-under-Lyne | £31 | £201 |
| Convert A Basement near Stalybridge | £32 | £200 |
| Convert A Basement near Failsworth | £30 | £202 |
| Convert A Basement near Tameside | £30 | £201 |
| Convert A Basement near Dukinfield | £30 | £201 |
| Convert A Basement near Droylsden | £30 | £203 |
| Convert A Basement near Middleton | £27 | £195 |
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 - £17,300

Two storey extension - £87,700

Build a timber frame extension - £25,800

Build a swimming pool - £80,800

Single storey extension - £51,000

Side return extension - £39,250

Install an RSJ - £2,000

Outbuilding - £9,800

Build a Mansard loft conversion - £51,800

Loft conversion - £31,875

Build a kitchen extension - £41,800

Hip to gable loft conversion - £41,800

Granny annexe - £86,800

Garden office - £9,800

Convert a Garage - £15,800

Garage - £18,300

Build a flat roof extension - £21,800

Build a dormer loft conversion - £41,800

Concrete foundations - £6,050

Convert a bungalow loft - £28,800

Convert a basement - £35,250