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BA Knott Oxford Ltd
Barry Knott
Need to find an Extension Builder near you for all your extension buildering work?
BA Knott Oxford Ltd provides a local, trusted extension ...
"Build a two storey extension" - OX3, job posted 01/05/26
DRC Construction
Experienced extension builder ready to quote for your work. DRC Construction is the best extension builder in Marston. No obligation free quotes an...
"Two storey extension" - OXFORD, job posted 16/09/25
Lambert Home Builds
Lambert Home Builds is a trusted extension builder serving customers in Marston and the surrounding area. Contact us to today to get a competitive ...
"Single storey extension" - OXFORD, job posted 17/05/25
HH Projects and Services
DOM ZVIGA
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
APH Construction Limited
Approved extension builder in Marston, covering 20 miles.
Whatever extension buildering work you need, including emergency repairs, hire a c...
Michael E Phillips
Mick Phillips
Michael E Phillips is an established extension buildering business in Marston. We come highly recommended and provide competitive quotes for your w...
Singh Builders
Marston, OX3
Singh Builders is an established extension buildering business in Marston. We come highly recommended and provide competitive quotes for your work....
K C CONSTRUCTION
Need an Extension Builder in Marston? K C CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jobs for man...
Beaumont Design & Build Ltd
Zain Hassan
Trusted and professional extension builder in Marston. Experienced in all extension buildering work and keeping within budget and on quote. Beaumon...
TNT CONSTRUCTION
Marston, OX3
TNT CONSTRUCTION are here to help customers who need an Extension Builder in Marston. We offer a competitive rate to complete all your extension bu...
The Estimating Group - Quantity Surveyors
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
APPLEWOOD CONSTRUCTION
APPLEWOOD CONSTRUCTION is a trusted extension builder serving customers in Marston and the surrounding area. Contact us to today to get a competiti...
R AND J CONSTRUCTION
R AND J CONSTRUCTION is an established and experienced local extension builder in Marston. Please contact us for a free, no obligation quote and co...
£36/hr
£262/day
E.N.K. Construction Limited
Trusted and professional extension builder in Marston. Experienced in all extension buildering work and keeping within budget and on quote. E.N.K. ...
£36/hr
£267/day
THAMESIDE CONSTRUCTION
Need to find an Extension Builder near you for all your extension buildering work?
THAMESIDE CONSTRUCTION provides a local, trusted extensi...
£32/hr
£235/day
JKT BUILDERS
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£36/hr
£262/day
KEITH COOK CONSTRUCTION LIMITED
KEITH COOK CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Marston. We offer a competitive rate to complete all yo...
£32/hr
£232/day
Spatial design + build
Trusted and professional extension builder in Marston. Experienced in all extension buildering work and keeping within budget and on quote. Spatial...
£33/hr
£240/day
Oxford Lofts
Trusted and professional extension builder in Marston. Experienced in all extension buildering work and keeping within budget and on quote. Oxford ...
£34/hr
£249/day
Brian Watts Partners Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Brian Watts Partners Ltd provides a local, trusted exten...
Compare Marston extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Oxford | £38 | £270 |
| Extension Builders near Abingdon-on-Thames | £35 | £258 |
| Extension Builders near Cherwell | £35 | £249 |
| Extension Builders near South Oxfordshire | £36 | £253 |
| Extension Builders near Bicester | £35 | £249 |
| Extension Builders near Didcot | £36 | £266 |
| Extension Builders near Witney | £32 | £244 |
| Extension Builders near Vale of White Horse | £36 | £271 |
| Extension Builders near Aylesbury Vale | £36 | £246 |
| Extension Builders near Aylesbury | £42 | £270 |
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 - £26,120

Garden office - £10,120

Granny annexe - £87,120

Build a flat roof extension - £22,120

Convert a Garage - £16,120

Hip to gable loft conversion - £42,120

Convert a bungalow loft - £29,120

Build a dormer loft conversion - £42,120

Build a swimming pool - £81,120

Build a Mansard loft conversion - £52,120

Concrete foundations - £6,370

Underpin a building - £17,620

Two storey extension - £88,180

Convert a basement - £38,850

Side return extension - £42,850

Loft conversion - £34,875

Garage - £18,620

Single storey extension - £57,400

Outbuilding - £10,120

Install an RSJ - £2,320

Build a kitchen extension - £42,120
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