From £51,848
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 £51,912
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 £51,760
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £51,648
Palm Developments is an established extension buildering business in OL4. We come highly recommended and provide competitive quotes for your work.<...
From £51,672
Experienced extension builder ready to quote for your work. KG Builders & Construction Ltd is the best extension builder in OL4. No obligation free...
From £52,200
ANDREW WOOD CONSTRUCTION (SADDLEWORTH) LTD is an established extension buildering business in OL4. We come highly recommended and provide competiti...
From £52,048
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £52,096
We are a family ran business that has gone through three generations of management. We pride ourselves in providing the highest quality workmanship...
From £51,632
Trusted and professional extension builder in OL4. Experienced in all extension buildering work and keeping within budget and on quote. Fit-on Gara...

Mansard loft conversions range from the cheapest installation of £51,184 (Valdecor based in OL8) to the dearest of around £52,200 (ANDREW WOOD CONSTRUCTION (SADDLEWORTH) LTD based in OL3).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in OL4 by posting a job with HaMuch and we'll send it to extension builders in OL4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Oldham | £27 | £198 |
| Build A Mansard Loft Conversion near Royton | £26 | £195 |
| Build A Mansard Loft Conversion near Chadderton | £26 | £194 |
| Build A Mansard Loft Conversion near Ashton-under-Lyne | £31 | £201 |
| Build A Mansard Loft Conversion near Stalybridge | £32 | £200 |
| Build A Mansard Loft Conversion near Failsworth | £30 | £202 |
| Build A Mansard Loft Conversion near Tameside | £30 | £201 |
| Build A Mansard Loft Conversion near Dukinfield | £30 | £201 |
| Build A Mansard Loft Conversion near Droylsden | £30 | £203 |
| Build A Mansard Loft Conversion 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