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RCB Group Design & Build
Vasi J
No Call out charges!
All Jobs Fully Insured and Guaranteed !!!
All aspects of Plumbing, Heating and Drains....
..."I am very pleased with the work carried out. All very clear and transparent." - ROMFORD,reviewed 10/01/18, KELLY
The Perfectionist
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in SE23. No obligation free quotes and ...
"Convert a Garage" - SE13, job posted 14/09/26
S G Painting Contractor Ltd
Relax... you have found a reliable extension builder in SE23. S G Painting Contractor Ltd is a friendly and reliable company based in SE23 who cons...
"Side return extension" - SE26, job posted 04/08/24
£42/hr
£263/day
South East Builders
South East Builders are here to help customers who need an Extension Builder in SE23. We offer a competitive rate to complete all your extension bu...
"Reconstructed full House" - DULWICH, job posted 16/05/24
£44/hr
£281/day
Baseline Build and Renovate Ltd
Baseline Build and Renovate Ltd is an established extension buildering business in SE23. We come highly recommended and provide competitive quotes ...
£41/hr
£253/day
GreenGauge Heating Limited
Jeremy Weston, trading as GreenGauge has over 10 years experience working as a Heating Engineer. Fully Insured and Gas Safe Registered.Base...
£49/hr
£304/day
Universal Plastering Ltd
We are a family run local business that was founded in 2007. Universal Plastering Ltd provides a wide variety of building and plastering services i...
£37/hr
£235/day
FRIERN BUILDING LTD
FRIERN BUILDING LTD is an established extension buildering business in SE23. We come highly recommended and provide competitive quotes for your wor...
£45/hr
£284/day
BERNARD CONSTRUCTION LTD
BERNARD CONSTRUCTION LTD are here to help customers who need an Extension Builder in SE23. We offer a competitive rate to complete all your extensi...
£42/hr
£262/day
S W BUILDPROVEMENT
Whether you are looking to build, extend or upgrade we will help. From building to decorating. Our professional team have the skills and experie...
£47/hr
£298/day
RM Building (London) Ltd
Forest Hill, SE23
Trusted and professional extension builder in SE23. Experienced in all extension buildering work and keeping within budget and on quote. RM Buildin...
£41/hr
£260/day
CHRIS BALL & SON ROOFING LTD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£38/hr
£238/day
STOYANOV CONSTRUCTION LTD
Forest Hill, SE23
Need to find an Extension Builder near you for all your extension buildering work?
STOYANOV CONSTRUCTION LTD provides a local, trusted exte...
£41/hr
£259/day
NKD Contractors
Trusted and professional extension builder in SE23. Experienced in all extension buildering work and keeping within budget and on quote. NKD Contra...
£40/hr
£248/day
By design - interior styling and remodelling
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£40/hr
£249/day
Five Sextillion
Five Sextillion is an established and experienced local extension builder in SE23. Please contact us for a free, no obligation quote and competitiv...
£40/hr
£250/day
Justin Bailey
Need an Extension Builder in SE23? Justin Bailey has been helping local clients (5 mile radius) with their extension buildering jobs for many years...
£46/hr
£289/day
Pure Building & Maintenance Services Limited
Pure Building & Maintenance is a family run business with over 35 years' experience. Comprising a team of dedicated professionals who all have the...
£52/hr
£281/day
21st Century Design & Build Ltd
21st Century Design & Build Ltd is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 5 miles ar...
£43/hr
£265/day
Global Business BoxLttd
Global Business BoxLttd are here to help customers who need an Extension Builder in SE23. We offer a competitive rate to complete all your extensio...
Quickly find an Extension Builder in SE23
Use these steps to find Extension Builders in SE23 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in SE23. 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 SE23 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 - £26,168
Garden office - £10,168
Granny annexe - £87,168
Build a flat roof extension - £22,168
Convert a Garage - £16,168
Hip to gable loft conversion - £42,168
Convert a bungalow loft - £29,168
Build a dormer loft conversion - £42,168
Build a swimming pool - £81,168
Build a Mansard loft conversion - £52,168
Concrete foundations - £6,418
Underpin a building - £17,668
Two storey extension - £88,252
Convert a basement - £39,390
Side return extension - £43,390
Loft conversion - £35,325
Garage - £18,668
Single storey extension - £58,360
Outbuilding - £10,168
Install an RSJ - £2,368
Build a kitchen extension - £42,168
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