From £2,296
Omniform are here to help customers who need an Extension Builder in Bank Of England. We offer a competitive rate to complete all your extension bu...
From £2,472
Need an Extension Builder in Bank Of England? Aylaa Exclusive has been helping local clients (5 mile radius) with their extension buildering jobs f...
From £2,592
We have the experience and knowledge to carry out any project, big or small. Our team of experts thoroughly plan the budget and manage your projec...
From £2,488
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,360
Venta Construction is an established and experienced local extension builder in Bank Of England. Please contact us for a free, no obligation quote ...
From £2,608
London Roof Gardens is a trusted extension builder serving customers in Bank Of England and the surrounding area. Contact us to today to get a comp...
From £2,456
Need an Extension Builder in Bank Of England? Flow Property Services has been helping local clients (5 mile radius) with their extension buildering...
From £2,672
Need an Extension Builder in Bank Of England? GenUp Digital has been helping local clients (5 mile radius) with their extension buildering jobs for...
From £2,328
Fornia Build Ltd is an established and experienced local extension builder in Bank Of England. Please contact us for a free, no obligation quote an...
From £2,728
Bring your vision to life with Fornia build. Our main aim is to design and build exceptional residential properties in prime locations, to the high...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Bank Of England it ranges from £2,296 (Omniform based in EC3V) to £2,728 (Fornia Build Ltd based in EC1V).
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 Bank Of England by posting a job with HaMuch and we will send it to extension builders in Bank Of England.
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 - £17,800

Two storey extension - £88,450

Build a timber frame extension - £26,300

Build a swimming pool - £81,300

Single storey extension - £61,000

Side return extension - £44,875

Install an RSJ - £2,500

Outbuilding - £10,300

Build a Mansard loft conversion - £52,300

Loft conversion - £36,563

Build a kitchen extension - £42,300

Hip to gable loft conversion - £42,300

Granny annexe - £87,300

Garden office - £10,300

Convert a Garage - £16,300

Garage - £18,800

Build a flat roof extension - £22,300

Build a dormer loft conversion - £42,300

Concrete foundations - £6,550

Convert a bungalow loft - £29,300

Convert a basement - £40,875