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Select your affordable Bicester extension builder
Relax... you have found a reliable extension builder in Bicester. D Beagle Building Contractors is a friendly and reliable company based in Biceste...
Bicester, OX26
SJ Groundworks & Building Ltd is a trusted extension builder serving customers in Bicester and the surrounding area. Contact us to today to get a c...
From £21,816
Trusted and professional extension builder in Bicester. Experienced in all extension buildering work and keeping within budget and on quote. P GEOR...
From £21,696
Peter Bunce
BICESTER, OX26
Need to find an Extension Builder near you for all your extension buildering work?
1994 provides a local, trusted extension buildering serv...
From £22,376
Options Home Extensions (Oxfordshire) in Oxfordshire are one of very few companies in the area who specialise in only home extensions. There are ma...
From £22,168
Experienced extension builder ready to quote for your work. Leon Construction OC Ltd is the best extension builder in Bicester. No obligation free ...
From £21,952
Inspired Restorations offer a range of services that cover all aspects of property renovations and maintenance. Whether you require a full renovati...
From £22,088
Trusted and professional extension builder in Bicester. Experienced in all extension buildering work and keeping within budget and on quote. Macfar...

A flat roof extension ranges from the cheapest of £21,584 (SJ Groundworks & Building Ltd based in OX26) to the dearest of £22,376 (Options Home Extensions (Oxfordshire) based in OX26), 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 Bicester by posting a job with HaMuch. We'll send it to extension builders in Bicester.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bicester | £35 | £249 |
| Build A Flat Roof Extension near Cherwell | £35 | £249 |
| Build A Flat Roof Extension near Aylesbury Vale | £36 | £246 |
| Build A Flat Roof Extension near Oxford | £38 | £270 |
| Build A Flat Roof Extension near Banbury | £33 | £239 |
| Build A Flat Roof Extension near Aylesbury | £42 | £270 |
| Build A Flat Roof Extension near Witney | £32 | £244 |
| Build A Flat Roof Extension near Abingdon-on-Thames | £35 | £258 |
| Build A Flat Roof Extension near South Oxfordshire | £36 | £253 |
| Build A Flat Roof Extension near Bletchley | £39 | £265 |
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 - £17,462

Two storey extension - £87,943

Build a timber frame extension - £25,962

Build a swimming pool - £80,962

Single storey extension - £54,240

Side return extension - £41,073

Install an RSJ - £2,162

Outbuilding - £9,962

Build a Mansard loft conversion - £51,962

Loft conversion - £33,394

Build a kitchen extension - £41,962

Hip to gable loft conversion - £41,962

Granny annexe - £86,962

Garden office - £9,962

Convert a Garage - £15,962

Garage - £18,462

Build a flat roof extension - £21,962

Build a dormer loft conversion - £41,962

Concrete foundations - £6,212

Convert a bungalow loft - £28,962

Convert a basement - £37,073