From £2,072
Ansell Builders is a trusted extension builder serving customers in TN38 and the surrounding area. Contact us to today to get a competitive quote f...
From £1,944
Relax... you have found a reliable extension builder in TN38. Ljo Brickwork, Landscapes and General Building is a friendly and reliable company bas...
From £2,000
Mitchell Building Services UK Ltd is well established among the leading names for extension and property improvement in and around East Sussex.
...From £2,112
Protech Construction Design Ltd is an established extension buildering business in TN38. We come highly recommended and provide competitive quotes ...
From £2,120
Need to find an Extension Builder near you for all your extension buildering work?
CP Building Renovations provides a local, trusted extens...
From £2,376
Need to find an Extension Builder near you for all your extension buildering work?
ASHVALE CONSTRUCTION LTD provides a local, trusted exten...
From £2,664
Relax... you have found a reliable extension builder in TN38. ALTERATION AND CONSTRUCTION is a friendly and reliable company based in TN38 who cons...
From £2,376
Boiler and central heating specialistsBoiler changesBoiler cleaning, servicing & repairBoiler installationsBoiler replacementsC...
From £1,040
National company with 50 years expirence, offering free no obligation home improvements quotes

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TN38 it ranges from £1,040 (Home improvements quotes based in TN34) to £2,664 (ALTERATION AND CONSTRUCTION based in TN38).
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 TN38 by posting a job with HaMuch and we will send it to extension builders in TN38.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Hastings | £27 | £209 |
| Install An RSJ near Bexhill-on-Sea | £27 | £209 |
| Install An RSJ near Hailsham | £28 | £215 |
| Install An RSJ near Eastbourne | £28 | £213 |
| Install An RSJ near Wealden | £30 | £219 |
| Install An RSJ near Seaford | £30 | £214 |
| Install An RSJ near Crowborough | £31 | £225 |
| Install An RSJ near Tunbridge Wells | £33 | £228 |
| Install An RSJ near Ashford | £30 | £213 |
| Install An RSJ near Tonbridge | £33 | £226 |
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 - £17,401

Two storey extension - £87,851

Build a timber frame extension - £25,901

Build a swimming pool - £80,901

Single storey extension - £53,016

Side return extension - £40,384

Install an RSJ - £2,101

Outbuilding - £9,901

Build a Mansard loft conversion - £51,901

Loft conversion - £32,820

Build a kitchen extension - £41,901

Hip to gable loft conversion - £41,901

Granny annexe - £86,901

Garden office - £9,901

Convert a Garage - £15,901

Garage - £18,401

Build a flat roof extension - £21,901

Build a dormer loft conversion - £41,901

Concrete foundations - £6,151

Convert a bungalow loft - £28,901

Convert a basement - £36,384