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The Perfectionist
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in New Cross. No obligation free quotes...
"Loft conversion" - SE16, job posted 15/04/24
Home Tranformers Ltd
At Home Tranformers Ltd we have been fitting bespoke bathrooms for over 10 years. We pride ourselves on being the go-to bathroom fitters for discer...
"Hello can you help me build a LEAN-TO CONSERVATORY/SUN ROOM . My bedroom is very small and need extra space. I would require insulation; a small windows for fresh air and French Doors with a lock. QUOTE PLS: Not sure to build from scratch or buy one to be erected SIZE: 8X6 OR 10X6. THANK YOU." - SE8, job posted 24/02/24
Ask Building
Need to find an Extension Builder near you for all your extension buildering work?
Ask Building provides a local, trusted extension builder...
ROOSE CONSTRUCTION LTD
Trusted and professional extension builder in New Cross. Experienced in all extension buildering work and keeping within budget and on quote. ROOSE...
South East Builders
South East Builders are here to help customers who need an Extension Builder in New Cross. We offer a competitive rate to complete all your extensi...
£76/hr
£756/day
Chris Ellis Project Service
Chris Ellis
Based in Camberwell south east London we provide a turnkey service for Domestic and Commercial construction Projects from conception to compl...
£49/hr
£304/day
Island design & Construction Ltd
Island design & Construction Ltd are here to help customers who need an Extension Builder in New Cross. We offer a competitive rate to complete all...
£45/hr
£282/day
SCL Design & Build Ltd
SCL Design & Build Ltd are here to help customers who need an Extension Builder in New Cross. We offer a competitive rate to complete all your exte...
£46/hr
£289/day
MARMAREX
We are a London-based contractor with significant experience in prime property construction and refurbishment, delivering projects for our clients ...
£49/hr
£306/day
DWL Construction Ltd
We pride ourselves on providing a professional, caring, and high-quality service and always meet our customers’ needs. Each contractor that works...
£40/hr
£252/day
WiseContract
WiseContract are here to help customers who need an Extension Builder in New Cross. We offer a competitive rate to complete all your extension buil...
£46/hr
£286/day
Baseline Build & Renovate
Trusted and professional extension builder in New Cross. Experienced in all extension buildering work and keeping within budget and on quote. Basel...
£46/hr
£289/day
blitbolt ltd
Need to find an Extension Builder near you for all your extension buildering work?
blitbolt ltd provides a local, trusted extension builder...
£44/hr
£275/day
blitbolt ltd
We have a creative eye and like a challenge, often building bespoke and creative buildings and furniture. This is mixed with a wide experience of m...
£38/hr
£244/day
L&L Lucas Builder Ltd
Dear customers welcome to my page. I have been working as builder for more than 20 years. I can carrying out general building work,extension any si...
£41/hr
£255/day
Ballara Ltd
Ballara Limited was set up by Darryl Pitt in 2008, however, Darryl has been involved in the building industry for over 20 years. He started out a...
£42/hr
£262/day
Ballara Ltd
Ballara Ltd is an established and experienced local extension builder in New Cross. Please contact us for a free, no obligation quote and competiti...
£43/hr
£265/day
Global Business BoxLttd
Global Business BoxLttd are here to help customers who need an Extension Builder in New Cross. We offer a competitive rate to complete all your ext...
£43/hr
£265/day
CG Design and Build LTD.
CG Design & Build is a boutique architectural design agency with in-house construction teams, delivering unique one-off residential and commercial...
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- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local New Cross 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 - £26,288

Garden office - £10,288

Granny annexe - £87,288

Build a flat roof extension - £22,288

Convert a Garage - £16,288

Hip to gable loft conversion - £42,288

Convert a bungalow loft - £29,288

Build a dormer loft conversion - £42,288

Build a swimming pool - £81,288

Build a Mansard loft conversion - £52,288

Concrete foundations - £6,538

Underpin a building - £17,788

Two storey extension - £88,432

Convert a basement - £40,740

Side return extension - £44,740

Loft conversion - £36,450

Garage - £18,788

Single storey extension - £60,760

Outbuilding - £10,288

Install an RSJ - £2,488

Build a kitchen extension - £42,288
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