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Dallcompanies Limited
Our building services company Dallcompanies Limited was established in May 2023, but have been helping customers in Milton Keynes and the surroundi...
"Two single bedroom" - MK8, job posted 22/06/26
Highland Homes & Gardens
Need an Extension Builder in Cosgrove? Highland Homes & Gardens has been helping local clients (20 mile radius) with their extension buildering job...
"Kitchen extension" - MILTON KEYNES, job posted 05/02/26
Langton Build
Trusted and professional extension builder in Cosgrove. Experienced in all extension buildering work and keeping within budget and on quote. Langto...
"Loft conversion" - MILTON KEYNES, job posted 14/08/25
Dean Prichard Building Services
Relax... you have found a reliable extension builder in Cosgrove. Dean Prichard Building Services is a friendly and reliable company based in Cosgr...
"Kitchen extension" - MILTON KEYNES, job posted 30/05/25
A J S Building Work
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Garage conversion" - MILTON KEYNES, job posted 25/05/25
Asanta Builder
Need to find an Extension Builder near you for all your extension buildering work?
Asanta Builder provides a local, trusted extension build...
"First floor extension" - MK12, job posted 23/05/25
D Catt Builders
Cosgrove, MK19
Need an Extension Builder in Cosgrove? D Catt Builders has been helping local clients (20 mile radius) with their extension buildering jobs for man...
"Kitchen extension" - MILTON KEYNES, job posted 08/04/25
Go-Large Design & Build Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Go-Large Design & Build Ltd provides a local, trusted ex...
"Garage conversion to a kitchen" - MILTON KEYNES, job posted 25/03/25
JAB
John Addis
Our building services company JAB Home Improvements helps customers in Milton Keynes and the surrounding area by providing professional, trustworth...
"Garage conversion" - MILTON KEYNES, job posted 25/03/25
THE DEARN BUILDING GROUP LTD
Need to find an Extension Builder near you for all your extension buildering work?
THE DEARN BUILDING GROUP LTD provides a local, trusted e...
"Single storey extension" - MILTON KEYNES, job posted 22/02/25
Cognitive Construction Ltd.
We are Cognitive Construction, a forward-thinking design & build company.Our houses are our castles and we take great pride in transforming homes a...
"Loft conversion" - MILTON KEYNES, job posted 17/12/24
A B Construction
Andrew Buswell
ab construction has been trading for over 40 years we undertake all building works from modernisations to extensions and new builds drives patios a...
"Loft conversion" - MILTON KEYNES, job posted 18/07/24
£45/hr
£302/day
BURCROFT BUILDERS
BURCROFT BUILDERS is an established and experienced local extension builder in Cosgrove. Please contact us for a free, no obligation quote and comp...
"Loft conversion" - MILTON KEYNES, job posted 09/07/24
"Internal supporting wall needs removing (3.5m wide) and RSJ installed above plinths within ceiling." - MK19, job posted 19/06/24
£30/hr
£238/day
Charlie
is a trusted extension builder serving customers in Cosgrove and the surrounding area. Contact us to today to get a competitive quote for extensio...
"Loft conversion" - MILTON KEYNES, job posted 07/05/24
£44/hr
£281/day
Hyatt and Co Building Services
Hyatt and Co Building Services was established over 20 years ago and have been providing customers in Milton Keynes and the surrounding areas a pro...
"Loft conversion" - MILTON KEYNES, job posted 23/04/24
£43/hr
£279/day
Alexander Bradshaw LTD
Relax... you have found a reliable extension builder in Cosgrove. Alexander Bradshaw LTD is a friendly and reliable company based in Cosgrove who c...
"Loft conversion Velux conversion" - MILTON KEYNES, job posted 29/12/23
£42/hr
£285/day
JA Project Management Services
Need an Extension Builder in Cosgrove? JA Project Management Services has been helping local clients (20 mile radius) with their extension builderi...
"Loft conversion" - MILTON KEYNES, job posted 27/09/23
£41/hr
£263/day
Avant-Garde Roofing Solutions Limited
Relax... you have found a reliable extension builder in Cosgrove. Avant-Garde Roofing Solutions Limited is a friendly and reliable company based in...
"Loft conversion" - MILTON KEYNES, job posted 28/08/23
£41/hr
£279/day
Steve Miller Building Services
Our building services company Steve Miller Building Services have thirty-eight years’ experience and have been helping customers in Pagnell and t...
Compare Cosgrove extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Milton Keynes | £39 | £263 |
| Extension Builders near Bletchley | £39 | £265 |
| Extension Builders near Northampton | £35 | £239 |
| Extension Builders near Aylesbury Vale | £36 | £246 |
| Extension Builders near Leighton Buzzard | £38 | £270 |
| Extension Builders near Ampthill | £38 | £258 |
| Extension Builders near Kempston | £44 | £273 |
| Extension Builders near Bedford | £45 | £278 |
| Extension Builders near South Bedfordshire | £45 | £278 |
| Extension Builders near Mid Bedfordshire | £42 | £276 |
Job estimates from extension builders near you
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.
Build a timber frame extension - £26,104
Garden office - £10,104
Granny annexe - £87,104
Build a flat roof extension - £22,104
Convert a Garage - £16,104
Hip to gable loft conversion - £42,104
Convert a bungalow loft - £29,104
Build a dormer loft conversion - £42,104
Build a swimming pool - £81,104
Build a Mansard loft conversion - £52,104
Concrete foundations - £6,354
Underpin a building - £17,604
Two storey extension - £88,156
Convert a basement - £38,670
Side return extension - £42,670
Loft conversion - £34,725
Garage - £18,604
Single storey extension - £57,080
Outbuilding - £10,104
Install an RSJ - £2,304
Build a kitchen extension - £42,104
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