From £1,928
iConstruction are here to help customers who need an Extension Builder in HD3. We offer a competitive rate to complete all your extension builderin...
From £1,864
Relax... you have found a reliable extension builder in HD3. Walkden Bricklaying is a friendly and reliable company based in HD3 who consider no jo...
From £2,208
Paul Brook Quality Builder is a trusted extension builder serving customers in HD3 and the surrounding area. Contact us to today to get a competiti...
From £2,016
Trusted and professional extension builder in HD3. Experienced in all extension buildering work and keeping within budget and on quote. J P McDonag...
From £2,016
SJL Construction is a trusted extension builder serving customers in HD3 and the surrounding area. Contact us to today to get a competitive quote f...
From £1,808
Relax... you have found a reliable extension builder in HD3. Conroy Brook Group is a friendly and reliable company based in HD3 who consider no job...
From £1,912
Irving Property is an established extension buildering business in HD3. We come highly recommended and provide competitive quotes for your work.
From £2,000
Need an Extension Builder in HD3? A & B Construction has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
From £2,152
Need to find an Extension Builder near you for all your extension buildering work?
MEP Building Services provides a local, trusted extensio...
From £4,920
Relax... you have found a reliable extension builder in HD3. Diamond Construction (Glazing) is a friendly and reliable company based in HD3 who con...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in HD3 it ranges from £1,808 (Conroy Brook Group based in HD9) to £4,920 (Diamond Construction (Glazing) based in HX6).
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 HD3 by posting a job with HaMuch and we will send it to extension builders in HD3.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Huddersfield | £29 | £224 |
| Install An RSJ near Brighouse | £30 | £230 |
| Install An RSJ near Kirklees | £30 | £231 |
| Install An RSJ near Halifax | £32 | £243 |
| Install An RSJ near Holmfirth | £30 | £232 |
| Install An RSJ near Mirfield | £31 | £236 |
| Install An RSJ near Dewsbury | £33 | £245 |
| Install An RSJ near Batley | £32 | £239 |
| Install An RSJ near Calderdale | £33 | £253 |
| Install An RSJ near Bradford | £29 | £223 |
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 - £17,582

Two storey extension - £88,124

Build a timber frame extension - £26,082

Build a swimming pool - £81,082

Single storey extension - £56,648

Side return extension - £42,427

Install an RSJ - £2,282

Outbuilding - £10,082

Build a Mansard loft conversion - £52,082

Loft conversion - £34,523

Build a kitchen extension - £42,082

Hip to gable loft conversion - £42,082

Granny annexe - £87,082

Garden office - £10,082

Convert a Garage - £16,082

Garage - £18,582

Build a flat roof extension - £22,082

Build a dormer loft conversion - £42,082

Concrete foundations - £6,332

Convert a bungalow loft - £29,082

Convert a basement - £38,427