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Select your affordable Newbury extension builder
Newbury, RG14
A Stanley Building Services is an established and experienced local extension builder in Newbury. Please contact us for a free, no obligation quote...
From £22,096
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,152
Need to find an Extension Builder near you for all your extension buildering work?
Complete Building Services provides a local, trusted ext...
From £22,040
Need an Extension Builder in Newbury? Helyar Project Services Ltd has been helping local clients (20 mile radius) with their extension buildering j...
From £22,296
Fabric First Build Projects Ltd are here to help customers who need an Extension Builder in Newbury. We offer a competitive rate to complete all yo...
From £22,168
Relax... you have found a reliable extension builder in Newbury. Total Home Improvements is a friendly and reliable company based in Newbury who co...
From £22,032
Hartwood Oak Buildings Ltd. are here to help customers who need an Extension Builder in Newbury. We offer a competitive rate to complete all your e...
From £22,360
Our building services company ROK Construction who are family-run have thirty-years experience. We have been helping customers in Baughurst and the...

A flat roof extension ranges from the cheapest of £22,032 (Hartwood Oak Buildings Ltd. based in RG20) to the dearest of £22,360 (ROK Construction based in RG26), 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 Newbury by posting a job with HaMuch. We'll send it to extension builders in Newbury.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Newbury | £37 | £262 |
| Build A Flat Roof Extension near Thatcham | £38 | £266 |
| Build A Flat Roof Extension near Basingstoke & Deane | £39 | £273 |
| Build A Flat Roof Extension near Basingstoke | £39 | £274 |
| Build A Flat Roof Extension near Didcot | £36 | £266 |
| Build A Flat Roof Extension near Andover | £40 | £248 |
| Build A Flat Roof Extension near Reading | £42 | £266 |
| Build A Flat Roof Extension near Caversham | £38 | £265 |
| Build A Flat Roof Extension near Vale of White Horse | £36 | £271 |
| Build A Flat Roof Extension near Woodley | £42 | £266 |
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 - £17,669

Two storey extension - £88,254

Build a timber frame extension - £26,169

Build a swimming pool - £81,169

Single storey extension - £58,380

Side return extension - £43,401

Install an RSJ - £2,369

Outbuilding - £10,169

Build a Mansard loft conversion - £52,169

Loft conversion - £35,334

Build a kitchen extension - £42,169

Hip to gable loft conversion - £42,169

Granny annexe - £87,169

Garden office - £10,169

Convert a Garage - £16,169

Garage - £18,669

Build a flat roof extension - £22,169

Build a dormer loft conversion - £42,169

Concrete foundations - £6,419

Convert a bungalow loft - £29,169

Convert a basement - £39,401