From £21,848
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 £21,912
Austerlands, OL4
Relax... you have found a reliable extension builder in Austerlands. CM BUILDING SERVICES is a friendly and reliable company based in Austerlands w...
From £21,760
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,648
Palm Developments is an established extension buildering business in Austerlands. We come highly recommended and provide competitive quotes for you...
From £21,672
Experienced extension builder ready to quote for your work. KG Builders & Construction Ltd is the best extension builder in Austerlands. No obligat...
From £22,200
ANDREW WOOD CONSTRUCTION (SADDLEWORTH) LTD is an established extension buildering business in Austerlands. We come highly recommended and provide c...
From £22,048
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,096
We are a family ran business that has gone through three generations of management. We pride ourselves in providing the highest quality workmanship...
From £21,632
Trusted and professional extension builder in Austerlands. Experienced in all extension buildering work and keeping within budget and on quote. Fit...

A flat roof extension ranges from the cheapest of £21,184 (Valdecor based in OL8) to the dearest of £22,200 (ANDREW WOOD CONSTRUCTION (SADDLEWORTH) LTD based in OL3), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Austerlands by posting a job with HaMuch. We'll send it to extension builders in Austerlands.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Oldham | £27 | £198 |
| Build A Flat Roof Extension near Royton | £26 | £195 |
| Build A Flat Roof Extension near Chadderton | £26 | £194 |
| Build A Flat Roof Extension near Ashton-under-Lyne | £31 | £201 |
| Build A Flat Roof Extension near Stalybridge | £32 | £200 |
| Build A Flat Roof Extension near Failsworth | £30 | £202 |
| Build A Flat Roof Extension near Tameside | £30 | £201 |
| Build A Flat Roof Extension near Dukinfield | £30 | £201 |
| Build A Flat Roof Extension near Droylsden | £30 | £203 |
| Build A Flat Roof Extension 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