From £33,130
Caernarfon, LL54
Building & Flat Roofing Contractors is a trusted extension builder serving customers in Caernarfon and the surrounding area. Contact us to today to...
From £38,620
Fiting of door internal/external All joinery work from new joists to fitting off skirting boards Kitchen fitting Staircase or replac...
From £38,350
Need an Extension Builder in Caernarfon? Hughes Construction has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £35,110
WJ Builders is an established and experienced local extension builder in Caernarfon. Please contact us for a free, no obligation quote and competit...
From £38,440
Need to find an Extension Builder near you for all your extension buildering work?
W F CLAYTON & CO LTD provides a local, trusted extension...
From £36,190
Glyndwr Roofing & Building Services are here to help customers who need an Extension Builder in Caernarfon. We offer a competitive rate to complete...
From £36,100
Relax... you have found a reliable extension builder in Caernarfon. Property Maintenance Solutions is a friendly and reliable company based in Caer...

Comparing extension builders estimates for Side return extension gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for a side return extention by posting your job to extension builders in Caernarfon.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near Conwy | £28 | £211 |
| Side Return Extension near Conway | £28 | £211 |
| Side Return Extension near Llandudno | £28 | £211 |
| Side Return Extension near Colwyn Bay | £28 | £211 |
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 - £17,061

Two storey extension - £87,342

Build a timber frame extension - £25,561

Build a swimming pool - £80,561

Single storey extension - £46,223

Side return extension - £36,563

Install an RSJ - £1,761

Outbuilding - £9,561

Build a Mansard loft conversion - £51,561

Loft conversion - £29,636

Build a kitchen extension - £41,561

Hip to gable loft conversion - £41,561

Granny annexe - £86,561

Garden office - £9,561

Convert a Garage - £15,561

Garage - £18,061

Build a flat roof extension - £21,561

Build a dormer loft conversion - £41,561

Concrete foundations - £5,811

Convert a bungalow loft - £28,561

Convert a basement - £32,563