Find a builder to make your building structurally sound

RSJs support your new extension or other construction to ensure that your property is structurally sound. They are crucial parts of your building work that mustn't be ignored, and must be installed by a professional. 

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Install an RSJ cost in N16

Barnaby Reynolds Design.

From £2,304

Location

Greater London, N16

Experienced extension builder ready to quote for your work. Barnaby Reynolds Design. is the best extension builder in N16. No obligation free quote...

Amastic Roofing Building and Scaffolding Services Ltd

From £2,392

Trusted and professional extension builder in N16. Experienced in all extension buildering work and keeping within budget and on quote. Amastic Roo...

Maddison & Sons

From £2,240

Location

Greater London, N16

Maddison & sons pride ourselves on attention to detail at the highest level.With an extensive background As Mains Contractors in construction fabri...

ACAR BROTHERS

From £2,568

ACAR BROTHERS is an established and experienced local extension builder in N16. Please contact us for a free, no obligation quote and competitive r...

Five Star Builder

From £2,600

Location

Stamford Hill, N16

Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in N16. No obligation free quotes and m...

D Keighley Project Management Ltd

From £2,568

D Keighley Project Management Ltd are here to help customers who need an Extension Builder in N16. We offer a competitive rate to complete all your...

My Plumbing & Heating Ltd

From £2,648

Location

Greater London, N16

Celebrating over 13yrs in business and WE DO MORE THAN IT SAYS ON THE TIN! The company is owned and managed by me, I am a Building Surveyor...

Parkway Maintenance & Construction

From £2,184

Free Quotes WE OFFER GUARANTEES ON ALL WORK COMPLETED AND HOLD £2M INSURANCE FOR YOUR PEACE OF MIND Parkway Maintenance and Const...

FISKA DESIGN & BUILD

From £2,344

Location

Stamford Hill, N16

FISKA DESIGN & BUILD are here to help customers who need an Extension Builder in N16. We offer a competitive rate to complete all your extension bu...

London Trowel Co.

From £2,392

Relax... you have found a reliable extension builder in N16. London Trowel Co. is a friendly and reliable company based in N16 who consider no job ...

RSJ cost in N16

Estimates for install an rsj near N16

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in N16 it ranges from £2,184 (Parkway Maintenance & Construction based in N16) to £2,648 (My Plumbing & Heating Ltd based in N16).

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 N16 by posting a job with HaMuch and we will send it to extension builders in N16.

"RSJ re-installation" - N16, job posted 04/10/25


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Estimates for common extension builder jobs in N16;

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.

More extensions & conversions cost guides...