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Gelligaer orangery extensions, designed and built

Thinking about an orangery extension for your Gelligaer home? Start with a free site visit: we measure up, check what the council will allow and give you honest guide figures on the day.

  • Guide price in GelligaerFrom £27,500 inc VAT
  • PlanningWelsh permitted development rules (rear up to 4 m)
  • Build time10–16 weeks on site
  • Postcode districtsCF46, CF82
Orangery extension with brick piers, a glass roof lantern and French doors

Covering Gelligaer

Across CF46, CF82, we can visit, measure and advise. Nearby, we also take on projects in Blackwood (2 miles), Pontypridd (6 miles), Caerphilly (6 miles), Risca (8 miles).

In Wales, terraced houses with rear offshoots are common in the towns, while detached houses and bungalows dominate in rural areas.

Will the council need to approve it?

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.

In a conservation area, national park, National Landscape or World Heritage Site the permitted development limits are tighter (no side or two-storey extensions without an application). Listed homes need listed building consent, and if permitted development rights have been removed, any extension needs an application.

The Party Wall etc. Act 1996 applies in Wales as in England: notice must be served before work to a shared wall, building on the boundary, or excavating close to a neighbour's foundations.

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

Who an orangery extension suits

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

Orangery extension prices in Gelligaer

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

Typical rates in Gelligaer: £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

For a figure based on your own dimensions, use our guide-price tool.

How the project works

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

    A designer visits, takes measurements and photos, and discusses layouts, budget and timing with you.

  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

    We confirm the build price in writing, based on the approved drawings and the finishes you have chosen.

  4. Build and sign-off

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

Common questions in Gelligaer

Who do I contract with for an orangery extension in Gelligaer?

Your contract is with S&K Property Investments and Improvement Ltd, which designs and manages the project and the build teams who carry it out.

Will my neighbours in Gelligaer be involved?

If a planning application is needed, the council notifies neighbours. If the work is on or near a shared boundary, party wall notices may also be needed.

How long does an orangery extension take to build in Gelligaer?

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

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 Gelligaer

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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