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The Original Roofing Company
The Original Roofing Company are here to help customers who need an Extension Builder in CR5. We offer a competitive rate to complete all your exte...
"Single storey extension" - COULSDON, job posted 17/07/26
Neats General Builders
Relax... you have found a reliable extension builder in CR5. Neats General Builders is a friendly and reliable company based in CR5 who consider no...
"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
First Trade Force
Vaughan Pain
Hooley, CR5
First Trade Force are here to help customers who need an Extension Builder in CR5. We offer a competitive rate to complete all your extension build...
"Side return extension" - COULSDON, job posted 04/10/25
EKJ Construction
EKJ Construction are here to help customers who need an Extension Builder in CR5. We offer a competitive rate to complete all your extension builde...
"Side return extension" - COULSDON, job posted 17/05/25
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...
"Side return extension" - COULSDON, job posted 19/04/25
£47/hr
£300/day
O G Electricals
Experienced extension builder ready to quote for your work. O G Electricals is the best extension builder in CR5. No obligation free quotes and man...
£31/hr
£308/day
C D Construction
Clive D'Laselle
Coulsdon, CR5
C D Construction are here to help customers who need an Extension Builder in CR5. We offer a competitive rate to complete all your extension builde...
£39/hr
£247/day
R D Builders
Robert Dixon
R D Builders is an established extension buildering business in CR5. We come highly recommended and provide competitive quotes for your work.
£44/hr
£330/day
G&R CONSTRUCTION LTD
Richard Rhodes
Trusted and professional extension builder in CR5. Experienced in all extension buildering work and keeping within budget and on quote. G&R CONSTRU...
£46/hr
£290/day
G F Hobbs t/a G & N Builders
G F Hobbs t/a G & N Builders is an established and experienced local extension builder in CR5. Please contact us for a free, no obligation quote an...
£40/hr
£251/day
TW BUILDING SERVICES
Coulsdon, CR5
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£45/hr
£289/day
Ideal Burners Ltd
Trusted and professional extension builder in CR5. Experienced in all extension buildering work and keeping within budget and on quote. Ideal Burne...
£45/hr
£288/day
S B Enterprises
Coulsdon, CR5
S B Enterprises is a trusted extension builder serving customers in CR5 and the surrounding area. Contact us to today to get a competitive quote fo...
£30/hr
£303/day
Cynosure Construction Ltd
Relax... you have found a reliable extension builder in CR5. Cynosure Construction Ltd is a friendly and reliable company based in CR5 who consider...
£42/hr
£266/day
BCW BUILDERS
Coulsdon, CR5
Need to find an Extension Builder near you for all your extension buildering work?
BCW BUILDERS provides a local, trusted extension builder...
£41/hr
£255/day
Duo Builders
Need to find an Extension Builder near you for all your extension buildering work?
Duo Builders provides a local, trusted extension builder...
£39/hr
£245/day
Duo Builders
Surrey, CR5
Duo Builders, offers customers a high end service for all domestic building works. Our highly qualified team undertake Design, Build and Maintenan...
£49/hr
£304/day
BnC Landscaping Team Ltd
BnC are a family-run business with an outstanding reputation throughout our trade, we love our job and take pride in every aspect of our work. We s...
£45/hr
£287/day
AJ Building Group
Surrey, CR5
Need an Extension Builder in CR5? AJ Building Group has been helping local clients (10 mile radius) with their extension buildering jobs for many y...
£44/hr
£277/day
247 Property Solutions London Ltd
Our building services company 247 Property Solutions (London) Ltd have been helping customers throughout London, and the surrounding areas with pro...
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Use these steps to find Extension Builders in CR5 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in CR5. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local CR5 Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
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 - £26,208
Garden office - £10,208
Granny annexe - £87,208
Build a flat roof extension - £22,208
Convert a Garage - £16,208
Hip to gable loft conversion - £42,208
Convert a bungalow loft - £29,208
Build a dormer loft conversion - £42,208
Build a swimming pool - £81,208
Build a Mansard loft conversion - £52,208
Concrete foundations - £6,458
Underpin a building - £17,708
Two storey extension - £88,312
Convert a basement - £39,840
Side return extension - £43,840
Loft conversion - £35,700
Garage - £18,708
Single storey extension - £59,160
Outbuilding - £10,208
Install an RSJ - £2,408
Build a kitchen extension - £42,208
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