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D & R Roofing & Loft Conversions, Building & Design
Relax... you have found a reliable extension builder in Redhill. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable com...
"Two storey extension" - RH1, job posted 31/01/26
"RSJ installation also I will need help with the cost of theses below IRS extension either the following measurements. L-3m w-3.5m H-Item Site Preparation Groundworks & Foundations Floor Construction Superstructure Roof Construction Windows and External Doors Internal Works Electrical ..." - CR3, job posted 08/11/25
J Stevens Roofing & Guttering
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
DPP Construction (David Price Partnership)
Need to find an Extension Builder near you for all your extension buildering work?
DPP Construction (David Price Partnership) provides a lo...
D B Jones Builder
Trusted and professional extension builder in Redhill. Experienced in all extension buildering work and keeping within budget and on quote. D B Jon...
REIGATE MARBLE SHOP
ALBANA PERANA
The Reigate Marble Shop LTD.
Established in 2005, The Reigate Marble Shop...
Clarkes General Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
S C H BUILDING SERVICES
Need to find an Extension Builder near you for all your extension buildering work?
S C H BUILDING SERVICES provides a local, trusted extens...
Crawley Construction Ltd
Crawley Construction Ltd
Contact us: 07454160840 Email: enquiries@ We are a family run business since 15 year’s+. We are build on tru...
J S Nisbet Loft Conversions
J S Nisbet Loft Conversions are here to help customers who need an Extension Builder in Redhill. We offer a competitive rate to complete all your e...
The Original Roofing Company
The Original Roofing Company are here to help customers who need an Extension Builder in Redhill. We offer a competitive rate to complete all your ...
L & S GENERAL BUILDING
L & S GENERAL BUILDING is an established and experienced local extension builder in Redhill. Please contact us for a free, no obligation quote and ...
Neats General Builders
Relax... you have found a reliable extension builder in Redhill. Neats General Builders is a friendly and reliable company based in Redhill who con...
First Trade Force
Vaughan Pain
First Trade Force are here to help customers who need an Extension Builder in Redhill. We offer a competitive rate to complete all your extension b...
EKJ Construction
EKJ Construction are here to help customers who need an Extension Builder in Redhill. We offer a competitive rate to complete all your extension bu...
V & B FACILITIES & BUILDING
Need to find an Extension Builder near you for all your extension buildering work?
V & B FACILITIES & BUILDING provides a local, trusted ex...
Ak Construction kasko group ltd
Ali Kasko
Need an Extension Builder in Redhill? Ak Construction kasko group ltd has been helping local clients (10 mile radius) with their extension builder...
P4 Services Ltd
P4 Services a building company in Banstead, Surrey pride itself on having high standards. If you are looking for a building company for a new kitch...
NBNA Construction Ltd
Relax... you have found a reliable extension builder in Redhill. NBNA Construction Ltd is a friendly and reliable company based in Redhill who cons...
ROLAND KNIGHT CONSTRUCTION LTD
ROLAND KNIGHT CONSTRUCTION LTD is an established and experienced local extension builder in Redhill. Please contact us for a free, no obligation qu...
Compare Redhill extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Redhill | £41 | £269 |
| Extension Builders near Reigate | £40 | £270 |
| Extension Builders near Reigate & Banstead | £41 | £271 |
| Extension Builders near Tadworth | £41 | £271 |
| Extension Builders near Horley | £38 | £258 |
| Extension Builders near Caterham | £43 | £271 |
| Extension Builders near Epsom | £44 | £275 |
| Extension Builders near Crawley | £38 | £255 |
| Extension Builders near Ewell | £44 | £275 |
| Extension Builders near Sutton | £43 | £274 |
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 - £26,160

Garden office - £10,160

Granny annexe - £87,160

Build a flat roof extension - £22,160

Convert a Garage - £16,160

Hip to gable loft conversion - £42,160

Convert a bungalow loft - £29,160

Build a dormer loft conversion - £42,160

Build a swimming pool - £81,160

Build a Mansard loft conversion - £52,160

Concrete foundations - £6,410

Underpin a building - £17,660

Two storey extension - £88,240

Convert a basement - £39,300

Side return extension - £43,300

Loft conversion - £35,250

Garage - £18,660

Single storey extension - £58,200

Outbuilding - £10,160

Install an RSJ - £2,360

Build a kitchen extension - £42,160
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