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Select your affordable N19 extension builder
SJ Expert Building Services are here to help customers who need an Extension Builder in N19. We offer a competitive rate to complete all your exten...
SLS BUILDERS LIMITED is a trusted extension builder serving customers in N19 and the surrounding area. Contact us to today to get a competitive quo...
Darren Bergin
Relax... you have found a reliable extension builder in N19. First guard Roofing is a friendly and reliable company based in N19 who consider no jo...
Andreas Thomas Demetri is a trusted extension builder serving customers in N19 and the surrounding area. Contact us to today to get a competitive q...
DLER SINGH D S BUILDERS are here to help customers who need an Extension Builder in N19. We offer a competitive rate to complete all your extension...
From £18,844
Need an Extension Builder in N19? BM Lofts Limited has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
From £18,756
Michael Collins Builders are experts in domestic conversions and extensions - drawing on over 25 years experience in the trade. We have built up a ...
From £18,540
Maddison & sons pride ourselves on attention to detail at the highest level.With an extensive background As Mains Contractors in construction fabri...
From £18,636
Our building services company Brothers Group have been helping customers in North, East and West London and the surrounding area by providing profe...

Builders charge between £18,476 (SLS BUILDERS LIMITED based in NW5) and £18,844 (BM Lofts Limited based in N4) in N19 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 N19 by posting a job with HaMuch and we will send it to extension builders in N19.
| Borough in London |
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| Garage in Archway |
| Garage in Highgate |
| Garage in Holloway |
| Garage in Kentish Town |
| Garage in Finsbury Park |
| Garage in Hornsey |
| Garage in Highbury |
| Garage in King's Cross |
| Garage in Primrose Hill |
| Garage in Muswell Hill |
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 - £17,645

Two storey extension - £88,217

Build a timber frame extension - £26,145

Build a swimming pool - £81,145

Single storey extension - £57,896

Side return extension - £43,129

Install an RSJ - £2,345

Outbuilding - £10,145

Build a Mansard loft conversion - £52,145

Loft conversion - £35,108

Build a kitchen extension - £42,145

Hip to gable loft conversion - £42,145

Granny annexe - £87,145

Garden office - £10,145

Convert a Garage - £16,145

Garage - £18,645

Build a flat roof extension - £22,145

Build a dormer loft conversion - £42,145

Concrete foundations - £6,395

Convert a bungalow loft - £29,145

Convert a basement - £39,129