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SJ Expert Building Services
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...
"Underpin a building" - N7, job posted 23/08/26
SLS BUILDERS LIMITED
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...
"Need an extension builder" - N4, job posted 18/05/25
First guard Roofing
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...
"RSJ re-installation" - N16, job posted 10/04/25
Andreas Thomas Demetri
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...
"Having planning permission, having structure drawing, about 40 square metres basement extension, looking for builders, want to be done ASAP." - N7, job posted 15/12/23
DLER SINGH D S BUILDERS
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...
"Basement conversion" - N6, job posted 16/10/23
£46/hr
£293/day
BM Lofts Limited
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...
£45/hr
£282/day
M Collins Builders Ltd
Michael Collins Builders are experts in domestic conversions and extensions - drawing on over 25 years experience in the trade. We have built up a ...
£41/hr
£255/day
Maddison & Sons
Maddison & sons pride ourselves on attention to detail at the highest level.With an extensive background As Mains Contractors in construction fabri...
£43/hr
£267/day
Brothers Group
Our building services company Brothers Group have been helping customers in North, East and West London and the surrounding area by providing profe...
£47/hr
£292/day
Mel Massey Studio
Mel Massey Studio, based in Finsbury Park, North London, offers interior design, interior styling and project management. With over 10 years of exp...
£40/hr
£250/day
Bok Services Ltd
Need an Extension Builder in N19? Bok Services Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
£40/hr
£252/day
CAPITAL CONSTRUCTION LIMITED
Trusted and professional extension builder in N19. Experienced in all extension buildering work and keeping within budget and on quote. CAPITAL CON...
£50/hr
£311/day
Novo Solutions Group Ltd
Welcome to Novo Solutions Group Ltd - Your premier building construction and renovation specialists. Based in the UK, Novo Solutions Group...
£46/hr
£287/day
WeTradeWorks
Greater London, N19
We pride ourselves on our ability to provide unmatched construction, renovation and refurbishment services to homeowners, designers and architects ...
£47/hr
£292/day
Raocon Limited
We make the adage ‘House is where the heart is’, a reality for the house-owners.We are an empathetic housebuilder that delivers elegance and du...
£38/hr
£236/day
Warren House Construction Ltd
Greater London, N19
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£41/hr
£256/day
Avocado Sweets Design Studio
Need an Extension Builder in N19? Avocado Sweets Design Studio has been helping local clients (5 mile radius) with their extension buildering jobs ...
£48/hr
£303/day
ARCHWAY DESIGN+BUILD LTD
Archway, N19
ARCHWAY DESIGN+BUILD LTD are here to help customers who need an Extension Builder in N19. We offer a competitive rate to complete all your extensio...
£43/hr
£266/day
RAM Build Construction Ltd
RAM Build Construction Ltd is an established and experienced local extension builder in N19. Please contact us for a free, no obligation quote and ...
Quickly find an Extension Builder in N19
Use these steps to find Extension Builders in N19 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in N19. 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 N19 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 - £26,184
Garden office - £10,184
Granny annexe - £87,184
Build a flat roof extension - £22,184
Convert a Garage - £16,184
Hip to gable loft conversion - £42,184
Convert a bungalow loft - £29,184
Build a dormer loft conversion - £42,184
Build a swimming pool - £81,184
Build a Mansard loft conversion - £52,184
Concrete foundations - £6,434
Underpin a building - £17,684
Two storey extension - £88,276
Convert a basement - £39,570
Side return extension - £43,570
Loft conversion - £35,475
Garage - £18,684
Single storey extension - £58,680
Outbuilding - £10,184
Install an RSJ - £2,384
Build a kitchen extension - £42,184
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