West Wales
Building Regulations for rear extensions in West Wales
Construction drawings, structural calculations and building control through to the completion certificate. Rear extensions in West Wales: we cover 6 towns including Llanelli, Aberystwyth and Carmarthen, with design, approvals and the build under one contract.
Older terraces near the centre and post-war semis further out are typical of West Wales. Sloping sites are common in Wales, so floor levels and retaining walls are designed at the start.
What does it cost in West Wales?
As a guide, £2,500–£5,500 including VAT. These are guide ranges; the written quote after the survey is the figure that counts.
What approvals does it need in West Wales?
Welsh building regulations apply to every rear extension. The council or a registered approver checks the work against the Welsh Approved Documents and issues a completion certificate.
Wales has its own Approved Document L, with targets for walls, roofs, floors and glazing similar to but not identical with England's. Heavily glazed designs are checked with a calculation.
Conservation areas, National Parks and National Landscapes restrict permitted development in Wales, and listed buildings need listed building consent.
Where in West Wales do we work?
FAQ
Questions people ask
Full plans or building notice?
Full plans for most extensions: the design is checked before work starts. A building notice suits only simple jobs.
Who inspects the work?
The council's building control team or a registered building control approver (in Scotland, the council's building standards team).
What is a completion certificate?
The document confirming the work meets the regulations. Keep it; buyers' solicitors ask for it.
Do you cover all of West Wales?
We cover 6 towns and districts in West Wales, including Llanelli, Aberystwyth and Carmarthen.
Who builds the extension?
Vetted building teams working under contract to us; your contract is with S&K Property Investments and Improvement Ltd.