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Torrington
Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
SH Enterprise
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
"Concrete foundation" - W1T, job posted 16/10/25
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in Cannon Street and the surrounding area. Contact us to today ...
"Basement conversion" - LAMBETH, job posted 02/05/25
GS Fabric Ltd
GS Fabric Ltd is an established and experienced local extension builder in Cannon Street. Please contact us for a free, no obligation quote and com...
JM Building Services
JM Building Services is a trusted extension builder serving customers in Cannon Street and the surrounding area. Contact us to today to get a compe...
Buildwiser
Buildwiser is a trusted extension builder serving customers in Cannon Street and the surrounding area. Contact us to today to get a competitive quo...
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...
Ask Building
Need to find an Extension Builder near you for all your extension buildering work?
Ask Building provides a local, trusted extension builder...
Renobuild Group
Daniel Dixon
Need to find an Extension Builder near you for all your extension buildering work?
Renobuild Group provides a local, trusted extension buil...
AAA Design Decorators
AAA Design Decorators are here to help customers who need an Extension Builder in Cannon Street. We offer a competitive rate to complete all your e...
AGRI CONSTRUCTION
Need to find an Extension Builder near you for all your extension buildering work?
AGRI CONSTRUCTION provides a local, trusted extension bu...
Q Lofts and Extensions
Anthony Sullivan
We build Lofts. We build Extensions. We undertake conversions. Our Terms and conditions apply as shown in our starter packs.
£38/hr
£241/day
Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£41/hr
£255/day
TOP CONSTRUCTION
TOP CONSTRUCTION is an established extension buildering business in Cannon Street. We come highly recommended and provide competitive quotes for yo...
£42/hr
£262/day
Omniform
Omniform are here to help customers who need an Extension Builder in Cannon Street. We offer a competitive rate to complete all your extension buil...
£46/hr
£286/day
Volute London
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£50/hr
£309/day
GenUp Digital
Need an Extension Builder in Cannon Street? GenUp Digital has been helping local clients (5 mile radius) with their extension buildering jobs for m...
£48/hr
£301/day
London Roof Gardens
London Roof Gardens is a trusted extension builder serving customers in Cannon Street and the surrounding area. Contact us to today to get a compet...
£45/hr
£282/day
Flow Property Services
Need an Extension Builder in Cannon Street? Flow Property Services has been helping local clients (5 mile radius) with their extension buildering j...
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- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local Cannon Street 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 - £26,240
Garden office - £10,240
Granny annexe - £87,240
Build a flat roof extension - £22,240
Convert a Garage - £16,240
Hip to gable loft conversion - £42,240
Convert a bungalow loft - £29,240
Build a dormer loft conversion - £42,240
Build a swimming pool - £81,240
Build a Mansard loft conversion - £52,240
Concrete foundations - £6,490
Underpin a building - £17,740
Two storey extension - £88,360
Convert a basement - £40,200
Side return extension - £44,200
Loft conversion - £36,000
Garage - £18,740
Single storey extension - £59,800
Outbuilding - £10,240
Install an RSJ - £2,440
Build a kitchen extension - £42,240
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