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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...
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in EC4M and the surrounding area. Contact us to today to get a ...
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in EC4M. We offer a competitive rate to complete all your extension bu...
JK Doors
JK Doors is a trusted extension builder serving customers in EC4M and the surrounding area. Contact us to today to get a competitive quote for exte...
GS Fabric Ltd
GS Fabric Ltd is an established and experienced local extension builder in EC4M. Please contact us for a free, no obligation quote and competitive ...
JM Building Services
JM Building Services is a trusted extension builder serving customers in EC4M and the surrounding area. Contact us to today to get a competitive qu...
Buildwiser
Buildwiser is a trusted extension builder serving customers in EC4M and the surrounding area. Contact us to today to get a competitive quote for ex...
F & F Building Services
F & F Building Services is an established extension buildering business in EC4M. We come highly recommended and provide competitive quotes for your...
AAA Design Decorators
AAA Design Decorators are here to help customers who need an Extension Builder in EC4M. We offer a competitive rate to complete all your extension ...
RSJ cost in EC4M
How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in EC4M it ranges from £2,128 (GS Fabric Ltd based in E2) to £2,624 (AAA Design Decorators based in SE17).
Comparing extension builders estimates for fitting an RSJ gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get rates and quotes to install an RSJ in EC4M by posting a job with HaMuch and we will send it to extension builders in EC4M.
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Estimates for common extension builder jobs in EC4M;
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 - £17,642
Two storey extension - £88,212
Build a timber frame extension - £26,142
Build a swimming pool - £81,142
Single storey extension - £57,832
Side return extension - £43,093
Install an RSJ - £2,342
Outbuilding - £10,142
Build a Mansard loft conversion - £52,142
Loft conversion - £35,078
Build a kitchen extension - £42,142
Hip to gable loft conversion - £42,142
Granny annexe - £87,142
Garden office - £10,142
Convert a Garage - £16,142
Garage - £18,642
Build a flat roof extension - £22,142
Build a dormer loft conversion - £42,142
Concrete foundations - £6,392
Convert a bungalow loft - £29,142
Convert a basement - £39,093