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..."I am very pleased with the work carried out. All very clear and transparent." - ROMFORD,reviewed 10/01/18, KELLY
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in SE23. No obligation free quotes and ...
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...
From £18,604
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...
From £18,748
Baseline Build and Renovate Ltd is an established extension buildering business in SE23. We come highly recommended and provide competitive quotes ...
From £18,524
Jeremy Weston, trading as GreenGauge has over 10 years experience working as a Heating Engineer. Fully Insured and Gas Safe Registered.Base...
From £18,932
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...
From £18,380
FRIERN BUILDING LTD is an established extension buildering business in SE23. We come highly recommended and provide competitive quotes for your wor...
From £18,772
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...
From £18,596
Whether you are looking to build, extend or upgrade we will help. From building to decorating. Our professional team have the skills and experie...

Builders charge between £18,380 (FRIERN BUILDING LTD based in SE22) and £18,932 (Universal Plastering Ltd based in SE19) in SE23 to build a garage, but these costs are only estimates.
Comparing extension builders estimates for building a garage gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get real quotes to build a new garage in SE23 by posting a job with HaMuch and we will send it to extension builders in SE23.
| Borough in London |
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| Garage in Forest Hill |
| Garage in Sydenham |
| Garage in East Dulwich |
| Garage in Catford |
| Garage in Brockley |
| Garage in Dulwich |
| Garage in Penge |
| Garage in Lewisham |
| Garage in Crystal Palace |
| Garage in Peckham |
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.

Underpin a building - £17,625

Two storey extension - £88,187

Build a timber frame extension - £26,125

Build a swimming pool - £81,125

Single storey extension - £57,496

Side return extension - £42,904

Install an RSJ - £2,325

Outbuilding - £10,125

Build a Mansard loft conversion - £52,125

Loft conversion - £34,920

Build a kitchen extension - £42,125

Hip to gable loft conversion - £42,125

Granny annexe - £87,125

Garden office - £10,125

Convert a Garage - £16,125

Garage - £18,625

Build a flat roof extension - £22,125

Build a dormer loft conversion - £42,125

Concrete foundations - £6,375

Convert a bungalow loft - £29,125

Convert a basement - £38,904