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Available extension builders in CT11 reply
Select an affordable extension builder
At Wells & Co we offer a comprehensive building service. We specialise in Period properties, bespoke renovations and steel fabrication.Along with o...
Christian Builders Margate Ltd is a multi-service company founded by Nick Christian. We operate with a highly skilled team of designers, tradesmen,...
GDB CONSTRUCTION is a trusted extension builder serving customers in CT11 and the surrounding area. Contact us to today to get a competitive quote ...
Festim Kastrati
We been for almost 15 years in the building trade,
we are easy going and willing to work with our client and to archive the best r...
Need to find an Extension Builder near you for all your extension buildering work?
Bespoke building projects provides a local, trusted exte...
From £2,128
Teekay solutions Limited is an established and experienced local extension builder in CT11. Please contact us for a free, no obligation quote and c...
From £1,800
Relax... you have found a reliable extension builder in CT11. Paragon Stone Design is a friendly and reliable company based in CT11 who consider no...
From £1,832
Design – our highly experienced design team can help you visualise your dream outcomes, working sympathetically with your space to find the perfe...
From £1,704
Christian Builders Margate Ltd is an established and experienced local extension builder in CT11. Please contact us for a free, no obligation quote...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CT11 it ranges from £1,640 (FRK Building Services based in CT12) to £2,128 (Teekay solutions Limited based in CT9).
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 CT11 by posting a job with HaMuch and we will send it to extension builders in CT11.
"Extending already existing extension by about a meter with some loft windows, there’s already kitchen extension in place but I want to take it further to the other side, I can provide photos and examples" - CT1, job posted 08/01/26
"RSJ installation, knock internal walls down in kitchen" - CT9, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Margate | £27 | £208 |
| Install An RSJ near Ramsgate | £27 | £208 |
| Install An RSJ near Broadstairs | £27 | £208 |
| Install An RSJ near Thanet | £27 | £207 |
| Install An RSJ near Deal | £26 | £199 |
| Install An RSJ near Herne Bay | £28 | £213 |
| Install An RSJ near Canterbury | £31 | £232 |
| Install An RSJ near Dover | £29 | £226 |
| Install An RSJ near Whitstable | £28 | £214 |
| Install An RSJ near Folkestone | £31 | £233 |
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 - £17,162

Two storey extension - £87,493

Build a timber frame extension - £25,662

Build a swimming pool - £80,662

Single storey extension - £48,244

Side return extension - £37,700

Install an RSJ - £1,862

Outbuilding - £9,662

Build a Mansard loft conversion - £51,662

Loft conversion - £30,583

Build a kitchen extension - £41,662

Hip to gable loft conversion - £41,662

Granny annexe - £86,662

Garden office - £9,662

Convert a Garage - £15,662

Garage - £18,162

Build a flat roof extension - £21,662

Build a dormer loft conversion - £41,662

Concrete foundations - £5,912

Convert a bungalow loft - £28,662

Convert a basement - £33,700