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SH Enterprise
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
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
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in EC3R and the surrounding area. Contact us to today to get a ...
GS Fabric Ltd
GS Fabric Ltd is an established and experienced local extension builder in EC3R. 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 EC3R and the surrounding area. Contact us to today to get a competitive qu...
Buildwiser
Buildwiser is a trusted extension builder serving customers in EC3R and the surrounding area. Contact us to today to get a competitive quote for ex...
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 EC3R. We offer a competitive rate to complete all your extension ...
RSJ cost in EC3R
How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in EC3R it ranges from £2,128 (GS Fabric Ltd based in E2) to £2,656 (Ask Building based in SE1).
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 EC3R by posting a job with HaMuch and we will send it to extension builders in EC3R.
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Estimates for common extension builder jobs in EC3R;
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 - £17,715
Two storey extension - £88,323
Build a timber frame extension - £26,215
Build a swimming pool - £81,215
Single storey extension - £59,304
Side return extension - £43,921
Install an RSJ - £2,415
Outbuilding - £10,215
Build a Mansard loft conversion - £52,215
Loft conversion - £35,768
Build a kitchen extension - £42,215
Hip to gable loft conversion - £42,215
Granny annexe - £87,215
Garden office - £10,215
Convert a Garage - £16,215
Garage - £18,715
Build a flat roof extension - £22,215
Build a dormer loft conversion - £42,215
Concrete foundations - £6,465
Convert a bungalow loft - £29,215
Convert a basement - £39,921