From £2,080
Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in Barming. No obligation free q...
From £2,264
Hyde Building Ltd are here to help customers who need an Extension Builder in Barming. We offer a competitive rate to complete all your extension b...
From £2,560
Need an Extension Builder in Barming? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension builderin...
From £2,376
Relax... you have found a reliable extension builder in Barming. Clint Construction is a friendly and reliable company based in Barming who conside...
From £2,472
P OUGHTON BUILDING is an established and experienced local extension builder in Barming. Please contact us for a free, no obligation quote and comp...
2 reviews
From £1,568
Hi
I'm very well rated tradesmen please check my website
See you soon
"Excellent painting skills." - MAIDSTONE,reviewed 27/03/19, TONY
From £1,520
MAGNOLIA HOME is family run,Tunbridge Wells based building company,.With years expirence,you as the customer can be assured that you are in safe ha...
From £2,280
We are a family run business with over 30 years experience in the roofing industry. We pride ourselves on our high standards of workmanship and cus...
From £2,528
Mayfair developers have been in the construction industry for over a decade. Our passion is to transform old spaces into new usable homes for our c...
From £2,168
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Barming it ranges from £1,520 (Magnoli Home based in TN2) to £2,560 (Ellis & James Builders Limited based in SS17).
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 Barming by posting a job with HaMuch and we will send it to extension builders in Barming.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Maidstone | £40 | £255 |
| Install An RSJ near Larkfield | £41 | £253 |
| Install An RSJ near Rochester | £39 | £254 |
| Install An RSJ near Chatham | £39 | £254 |
| Install An RSJ near Gillingham | £39 | £253 |
| Install An RSJ near Tonbridge | £38 | £254 |
| Install An RSJ near Sittingbourne | £35 | £246 |
| Install An RSJ near Gravesend | £40 | £260 |
| Install An RSJ near Northfleet | £41 | £261 |
| Install An RSJ near Sevenoaks | £38 | £234 |
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 - £17,482

Two storey extension - £87,972

Build a timber frame extension - £25,982

Build a swimming pool - £80,982

Single storey extension - £54,632

Side return extension - £41,293

Install an RSJ - £2,182

Outbuilding - £9,982

Build a Mansard loft conversion - £51,982

Loft conversion - £33,578

Build a kitchen extension - £41,982

Hip to gable loft conversion - £41,982

Granny annexe - £86,982

Garden office - £9,982

Convert a Garage - £15,982

Garage - £18,482

Build a flat roof extension - £21,982

Build a dormer loft conversion - £41,982

Concrete foundations - £6,232

Convert a bungalow loft - £28,982

Convert a basement - £37,293