Roof lanterns in Gorseinon: what is involved?
For Gorseinon homes and buildings we offer roof lanterns: hipped glass lanterns that lift the ceiling of orangeries and extensions. We measure first, specify to the opening and confirm any planning or building-control points before quoting.
Slate roofs, stone cottages and terraced valleys are typical across Wales, and slim rooflights that sit low in the slates suit them best. Typical uses for roof lanterns include rooms that need height as well as light.
We work across West Glamorgan, including Gorseinon, and in neighbouring towns such as Llanelli and Swansea. Access, parking and how the glass reaches the roof are all checked at the survey.
What you can choose
- LED lighting in the plaster box
- Internal and external colours
- Aluminium or uPVC systems
- Solar-control or self-cleaning glass
- Rectangular, square or bespoke sizes
- Adds visual height to a single-storey room
- Can include opening vents
Things we check at survey
- Plaster-box depth affects how the lantern looks from below
- Larger lanterns may need a steel or timber ring beam
Planning, building control and Gorseinon
Welsh householder permitted development (Class C) allows rooflights that project no more than 15 cm and sit no higher than the existing roof — but not in conservation areas, National Parks, AONBs or World Heritage Sites. A side-facing rooflight within 10.5 m of the boundary must be obscure-glazed, and non-opening unless the opening part is more than 1.7 m above the floor.
In Wales the limiting values are 2.2 W/m²K for a rooflight and 1.4 W/m²K (or WER Band B) for a roof window in an existing house. A revised Welsh Approved Document L takes effect on 4 March 2027; rooflights in new dwellings stay at 2.2 W/m²K.
Our planning guide covers each nation in more detail.
Guide prices for Gorseinon
Guide prices for roof lanterns in Gorseinon are the same as anywhere we work — what changes the price is the job: access, structure, scaffold and finishing.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large or bespoke aluminium lantern | £5,995 – £10,795 | £4,995 – £8,995 |
| Mid-size aluminium lantern (2 × 3 m) Typical | £3,955 – £5,995 | £3,295 – £4,995 |
| Small lantern (1 × 2 m) | £2,995 – £3,955 | £2,495 – £3,295 |
What happens next
- Get in touch. Use the form, WhatsApp or the guide-price tool with your Gorseinon address.
- Measure and check. A surveyor visits Gorseinon, measures and checks structure and access.
- Written price. You receive a fixed price listing the unit, the work and the lead time.
- Fit and make good. We fit, seal, test and finish the reveal, then hand over the paperwork.
Nearby towns
Other services in Gorseinon
Roof lanterns in Gorseinon: questions
Do they leak?
Modern lanterns are sealed systems. Leaks usually trace back to the kerb or roof membrane detail, which we form and check ourselves.
Aluminium or uPVC?
Aluminium gives slimmer bars and a longer life; uPVC costs less. We fit both.
Roof lantern or flat rooflight?
A lantern adds height and sky from all sides; a flat rooflight is lower-profile and cleaner from outside. Our guide compares them in detail.
How do I book a survey in Gorseinon?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
Do you fit roof lanterns in Gorseinon?
Yes. We survey and fit roof lanterns in Gorseinon and across West Glamorgan. Send your postcode and we will offer a survey date when we reply.
