Install an RSJ cost in CR3 - Sort by rates or availability
J&J Building Solutions
From £2,248
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in CR3. No obligation free quotes ...
1 review
Torrington
From £2,392
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
From £2,224
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
Samuele Paolini
From £2,592
Need an Extension Builder in CR3? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
VA Structures
From £2,392
Need an Extension Builder in CR3? VA Structures has been helping local clients (10 mile radius) with their extension buildering jobs for many years...
Ali & Sons Builders
From £2,352
I am a qualified, builder, electrician and plumber. I have been working in the construction industry for over 23 years and have built everything fr...
The Diamond Property Service Ltd
From £2,504
Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...
Buci builders ltd
From £3,224
Buci builders ltd is a trusted extension builder serving customers in CR3 and the surrounding area. Contact us to today to get a competitive quote ...
LALI BUILDERS
From £2,624
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Local Boiler Plumbing & Heating Services
From £2,512
Local Boiler Plumbing & Heating Services is an established and experienced local extension builder in CR3. Please contact us for a free, no obligat...
RSJ cost in CR3
How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CR3 it ranges from £2,224 (SH Enterprise based in EC1V) to £3,224 (Buci builders ltd based in SE27).
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 CR3 by posting a job with HaMuch and we will send it to extension builders in CR3.
"RSJ installation also I will need help with the cost of theses below IRS extension either the following measurements. L-3m w-3.5m H-Item Site Preparation Groundworks & Foundations Floor Construction Superstructure Roof Construction Windows and External Doors Internal Works Electrical ..." - CR3, job posted 11/08/25
