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Orangery extensions across West Glamorgan

We design and build orangery extensions for houses in West Glamorgan, with a written price once the survey and design are done and one point of contact throughout.

  • Guide priceFrom £27,500 inc VAT
  • PlanningWelsh permitted development rules (rear up to 4 m)
  • Towns covered5
  • Site visitFree, no obligation
Orangery extension with brick piers, a glass roof lantern and French doors

Planning rules that apply in West Glamorgan

In Wales a glazed or orangery-style extension follows the normal single-storey limits (up to 4 m at the rear). Welsh building regulations also limit glazing and heat loss, so glass-heavy designs need calculations.

Before any drawing is finalised we check whether the house is listed, in a conservation area or subject to an Article 4 direction.

Building regulations approval is separate from planning. Wales has its own building regulations and approved documents; the council or a registered building control approver checks the plans, inspects the work and issues a completion certificate.

Applications are decided by the local planning authority (your county or county borough council, or the national park authority).

Is an orangery extension right for your house?

  • Homeowners replacing an older conservatory
  • Period and detached houses with a garden view
  • Those who want daylight without overheating

Orangery extension prices in West Glamorgan

Prices below are for West Glamorgan, using the Wales factor of ×0.93. They are guide ranges including VAT for the build only, not a quote.

Typical rates in West Glamorgan: £2,230 to £4,180 per m² including VAT, depending on specification.

SizeEssentialStandardPremium
3 m × 4 m
12 m²
£27,500 – £34,000£31,000 – £39,500£37,500 – £50,500
4 m × 4 m
16 m²
£35,500 – £43,500£41,500 – £52,500£50,500 – £67,000
4 m × 6 m
24 m²
£53,500 – £65,000£62,000 – £78,500£75,500 – £100,500

Try the guide-price tool to see a range for your own size and finish.

Local to West Glamorgan

Towns we cover in West Glamorgan include Swansea, Neath, Briton Ferry, Gorseinon, Clydach. In Wales, terraced houses with rear offshoots are common in the towns, while detached houses and bungalows dominate in rural areas.

What happens next

Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.

  1. Free site visit

    First, a site visit: we look at the house, garden, access and drains and listen to what you need.

  2. Design and approvals

    We draw the design, agree it with you and handle planning or permitted development checks and building regulations.

  3. Fixed written price

    You receive a written, itemised price and programme. Nothing starts until you are happy with it.

  4. Build and sign-off

    The build is managed from start to finish, inspected at each stage and signed off on completion.

Orangery extension questions answered

Do you cover all of West Glamorgan?

Yes, across the whole of West Glamorgan. Site visits are free and there is no obligation.

How long does an orangery extension take to build in West Glamorgan?

On site, typically 10 to 16 weeks once approvals are in place. Before that, allow 6–12 weeks design and approvals.

Do I need building regulations approval in West Glamorgan?

Yes. Almost every extension needs it, whatever the planning route. We prepare the drawings and book the inspections.

What is the difference between an orangery and a conservatory?

An orangery has a solid roof perimeter with a central lantern and more solid wall, so it is warmer and more like a room. A conservatory is mostly glass. Building regulations treat a heated orangery joined to the house as an extension.

Will an orangery be too hot in summer?

Not if it is designed with solar-control glass, a solid perimeter and ventilation. We size the lantern and opening vents with that in mind.

Book a free site visit in West Glamorgan

We will measure up, check the planning position and give you honest guide figures.

  • Free, no-obligation site visit
  • Planning route checked before you spend on drawings
  • Written price once the design is agreed
  • Building control sign-off at the end

Prefer to talk? Call 0800 088 6341 or .

Book a free site visit

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