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BPS Building
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
NWL Renovations Ltd
Patrick Gavin
Need an Extension Builder in NW8? NWL Renovations Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many...
SLS BUILDERS LIMITED
SLS BUILDERS LIMITED is a trusted extension builder serving customers in NW8 and the surrounding area. Contact us to today to get a competitive quo...
M & A UK Ltd
Relax... you have found a reliable extension builder in NW8. M & A UK Ltd is a friendly and reliable company based in NW8 who consider no job as to...
JK Doors
JK Doors is a trusted extension builder serving customers in NW8 and the surrounding area. Contact us to today to get a competitive quote for exten...
ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD
Hussein Eljhani
We are highly professional Builders Company, hones pricing and reliable, we leave all areas clean and tidy.
Plum & Bros Loft Ltd
Plum & Bros Loft Ltd is an established extension buildering business in NW8. We come highly recommended and provide competitive quotes for your wor...
EUROBUILD PROPERTIES CO LTD
Need to find an Extension Builder near you for all your extension buildering work?
EUROBUILD PROPERTIES CO LTD provides a local, trusted ex...
From £2,432
Pro Fast Build
Pro Fast Build Ltd. is a well established building company specialising in all areas of building work – interior and exterior. We are the best ch...
From £2,432
Hartley Limited
Trusted and professional extension builder in NW8. Experienced in all extension buildering work and keeping within budget and on quote. Hartley Lim...
RSJ cost in NW8
How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in NW8 it ranges from £2,128 (BPS Building based in NW6) to £4,104 (Plum & Bros Loft Ltd based in NW6).
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 NW8 by posting a job with HaMuch and we will send it to extension builders in NW8.
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Estimates for common extension builder jobs in NW8;
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 - £17,868
Two storey extension - £88,552
Build a timber frame extension - £26,368
Build a swimming pool - £81,368
Single storey extension - £62,360
Side return extension - £45,640
Install an RSJ - £2,568
Outbuilding - £10,368
Build a Mansard loft conversion - £52,368
Loft conversion - £37,200
Build a kitchen extension - £42,368
Hip to gable loft conversion - £42,368
Granny annexe - £87,368
Garden office - £10,368
Convert a Garage - £16,368
Garage - £18,868
Build a flat roof extension - £22,368
Build a dormer loft conversion - £42,368
Concrete foundations - £6,618
Convert a bungalow loft - £29,368
Convert a basement - £41,640