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. 

Install an RSJ cost in Marlingford - Sort by rates or availability

Donris Limited

From £1,840

(last active 02/10/26)

Location

Norwich, NR7

Donris Limited are here to help customers who need an Extension Builder in Marlingford. We offer a competitive rate to complete all your extension ...

Heritage Construction Norfolk

From £1,672

(last active 02/10/26)

Location

Norwich, NR8

Need an Extension Builder in Marlingford? Heritage Construction Norfolk has been helping local clients (20 mile radius) with their extension builde...

Steven Folkard (Self Build)

From £1,752

(last active 02/10/26)

Location

Hevingham, NR10

Relax... you have found a reliable extension builder in Marlingford. Steven Folkard (Self Build) is a friendly and reliable company based in Marlin...

1st Class Building Services

From £1,800

(last active 02/10/26)

Location

Old Catton, NR6

Relax... you have found a reliable extension builder in Marlingford. 1st Class Building Services is a friendly and reliable company based in Marlin...

Inspired Building Services Ltd

From £1,888

(last active 17/09/26)

Location

Norwich, NR16

Land lord

From £1,768

(last active 11/09/26)

Location

Norwich, NR2

Land lord are here to help customers who need an Extension Builder in Marlingford. We offer a competitive rate to complete all your extension build...

Combined Building Services

From £1,864

(last active 10/09/26)

Location

Norfolk, NR6

This business has not added a description yet.

J Kimbley Building & Landscaping

From £1,656

(last active 20/08/26)

Location

Eaton, NR2

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Bespoke Build Solutions

From £1,680

(last active 29/07/26)

Location

Norwich, NR7

Need an Extension Builder in Marlingford? Bespoke Build Solutions has been helping local clients (20 mile radius) with their extension buildering j...

G & F Property Maintenance

From £1,744

(last active 21/05/26)

Location

Norwich, NR1

Experienced extension builder ready to quote for your work. G & F Property Maintenance is the best extension builder in Marlingford. No obligation ...

RSJ cost in Marlingford

Estimates for install an rsj near Marlingford

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Marlingford it ranges from £1,656 (J Kimbley Building & Landscaping based in NR2) to £1,888 (Inspired Building Services Ltd based in NR16).

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


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Install An RSJ near Norwich£25£200
Install An RSJ near Dereham£25£203
Install An RSJ near Broadland£24£194
Install An RSJ near Breckland£28£248
Install An RSJ near Thetford£42£277
Install An RSJ near Great Yarmouth£13£132
Install An RSJ near Gorleston-on-Sea£25£205
Install An RSJ near Waveney£24£200
Install An RSJ near Kings Lynn & West Norfolk£31£238
Install An RSJ near Lowestoft£24£197

Estimates for common extension builder jobs in Marlingford;

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

Underpin a building - £17,066

Two storey extension

Two storey extension - £87,350

Build a timber frame extension

Build a timber frame extension - £25,566

Build a swimming pool

Build a swimming pool - £80,566

Single storey extension

Single storey extension - £46,328

Side return extension

Side return extension - £36,622

Install an RSJ

Install an RSJ - £1,766

Outbuilding

Outbuilding - £9,566

Build a Mansard loft conversion

Build a Mansard loft conversion - £51,566

Loft conversion

Loft conversion - £29,685

Build a kitchen extension

Build a kitchen extension - £41,566

Hip to gable loft conversion

Hip to gable loft conversion - £41,566

Granny annexe

Granny annexe - £86,566

Garden office

Garden office - £9,566

Convert a Garage

Convert a Garage - £15,566

Garage

Garage - £18,066

Build a flat roof extension

Build a flat roof extension - £21,566

Build a dormer loft conversion

Build a dormer loft conversion - £41,566

Concrete foundations

Concrete foundations - £5,816

Convert a bungalow loft

Convert a bungalow loft - £28,566

Convert a basement

Convert a basement - £32,622

More extensions & conversions cost guides...