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Building & Flat Roofing Contractors
John Jines
Caernarfon, LL54
Building & Flat Roofing Contractors is a trusted extension builder serving customers in Caernarfon and the surrounding area. Contact us to today to...
Extension builder estimates (based on hourly rates) to build a single storey extension in Caernarfon
- How much does a single storey extension cost?
- Single storey extension cost calculator
- What size single storey extension can I build without planning permission?
- Do I need an architect for an extension?
- How deep do foundations need to be for a single storey extension?
- Is it cheaper to have an extension or a conservatory?
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| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Conwy | £28 | £211 |
| Single Storey Extension near Conway | £28 | £211 |
| Single Storey Extension near Llandudno | £28 | £211 |
| Single Storey Extension near Colwyn Bay | £28 | £211 |
Estimates for common extension builder jobs in Caernarfon;
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 - £16,756
Two storey extension - £86,884
Build a timber frame extension - £25,256
Build a swimming pool - £80,256
Single storey extension - £40,120
Side return extension - £33,130
Install an RSJ - £1,456
Outbuilding - £9,256
Build a Mansard loft conversion - £51,256
Loft conversion - £26,775
Build a kitchen extension - £41,256
Hip to gable loft conversion - £41,256
Granny annexe - £86,256
Garden office - £9,256
Convert a Garage - £15,256
Garage - £17,756
Build a flat roof extension - £21,256
Build a dormer loft conversion - £41,256
Concrete foundations - £5,506
Convert a bungalow loft - £28,256
Convert a basement - £29,130