Wraparound extensions in Whitchurch, South Glamorgan

Covering Whitchurch, South Glamorgan

Alongside Whitchurch, South Glamorgan, we also cover Cardiff, Caerphilly (4 miles to the north) and Penarth.

Homes in South Glamorgan

Welsh homes include long terraces built into hillsides, stone cottages and modern estates, and sloping sites often shape how and where an extension can go.

What is included in a wraparound extension in Whitchurch, South Glamorgan?

A wraparound extension combines a side return and a rear extension into one L-shaped build, giving the biggest possible ground-floor space on terraced and semi-detached houses. It usually creates a large open-plan kitchen, dining and living area across the back of the house.

Design, planning drawings and structural calculations
Steel frame or goalpost for the corner opening
Glazing, insulation, plastering and electrics

What is the guide price for a wraparound extension in Whitchurch, South Glamorgan?

Use these ranges to budget for wraparound extensions; the survey turns them into a fixed price for the agreed specification.

Wraparound extensions	Guide price incl. VAT
Standard specification	£3,400 to £3,800 per m²
Good specification	£3,800 to £4,250 per m²
High specification	£4,250 to £4,700 per m²

Planning and building rules in Whitchurch, South Glamorgan

Planning decisions in Wales are made by the local council, using permitted development rules set by the Welsh Government rather than England’s. Building regulations in Wales have their own approved documents, and the Party Wall etc. Act 1996 applies to work on shared walls and boundaries.

Wales has its own permitted development rules, set by the Welsh Government. Small single-storey rear extensions can often go ahead without an application, but the limits differ from England's and there is no larger-extension prior approval route, so we check the current Welsh rules for your house before drawings are finalised.

What should I think about before starting?

The corner steel connection is the critical detail and is designed by a structural engineer.
Roof water from an L-shape needs careful falls and outlets.

What happens after I enquire?

Start with a conversation. A short call or the online form is enough for us to understand what you want to build.
We visit and measure. A surveyor checks the house, the boundaries and the ground, and discusses what is realistic.
Drawings, approvals, written quote. We prepare the design, apply for the approvals it needs, and give you a fixed price in writing.
Construction and completion. One site lead co-ordinates every trade through to the building control certificate.

Your questions answered

How much does a wraparound extension cost?

Typically £3,400 to £4,700 per square metre including VAT. Many come in between £85,000 and £120,000 before the kitchen.

Can we keep part of the kitchen working?

Often, by sequencing the work so the old back wall comes out last. We agree a plan with you before starting.

How do I get a price for wraparound extensions in Whitchurch, South Glamorgan?

Use the guide price tool for a ballpark figure, then book a visit for a fixed written price for the agreed specification.

Wraparound extensions near Whitchurch, South Glamorgan

Learn more about wraparound extensions, or see every project we cover in Whitchurch.