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West Glamorgan · SA1

Leak investigation and inspection in Swansea

Got a leak nobody has managed to find in Swansea? We find exactly where water is getting in, water-testing where needed, and put it in writing. Send photos for a free guide price — you'll get a fixed price in writing before any work starts.

Get a guide priceCall 0800 088 6248

In Swansea, as everywhere, some leaks are obvious; many aren't. Send photos and we'll tell you what we think has failed.

Surveyor on a step ladder inspecting the eaves of a roof lantern with a torch and moisture meter

Signs you need leak investigation and inspection

  • The leak moves around or is intermittent
  • You're not sure if it's a leak or condensation
  • You need a written report for a landlord, insurer or builder

Why it happens

More than one fault

Older lanterns often have two or three small failures.

Not the lantern

Sometimes the source is the flat roof, a parapet, a gutter or a wall above.

Roof lanterns in Swansea

Damp, mild winters keep moss and algae growing on flat roofs and lantern frames, which holds water against seals and blocks weep slots. Regular clearing makes a real difference in wetter areas.

Neighbouring places we cover include Gorseinon (5 miles), Neath (7 miles), Port Talbot (7 miles).

Guide prices for leak investigation and inspection in Swansea

Guide price, per visit£145–£295 ex VAT£174–£354 inc VAT

Typical range: £145–£295 ex VAT, which is £174–£354 with VAT, per visit. Towers or scaffold, where needed, are priced into the quote. Your fixed price is confirmed in writing before any work starts.

Do you need permission in Wales?

Straightforward repairs — resealing, gaskets, cappings, eaves and like-for-like parts — don't normally need building regulations approval in Wales. Replacing the whole lantern or enlarging the opening is different and falls under the Building Regulations 2010 (as applied in Wales); we confirm in writing which route applies before any replacement. Listed buildings in Wales need listed building consent from the local planning authority for alterations, with Cadw guidance on historic buildings; check with the council before changing a lantern on a listed property.

How does it work?

  1. Send photosWhatsApp or upload a few photos and tell us when it leaks.
  2. Guide priceWe reply with a guide price and whether a visit is needed.
  3. Fixed price in writingYou approve the price and the date before anything starts.
  4. Repair and testWe fix what's failed, water-test where it matters, and send photos.

Leak investigation and inspection in Swansea: questions

Do you need to visit to price leak investigation and inspection?

Not always. Clear photos are often enough for a guide price. Where the cause isn't obvious, a visit to inspect and water-test is charged from £145 ex VAT, confirmed before we come.

Can you repair a lantern someone else installed in Swansea?

Yes. We repair lanterns whoever fitted them. If yours is still under the installer's warranty, contact them first so you don't affect it.

Is the visit cost deducted from the repair?

Ask when you book — we'll confirm in writing how the visit is charged if you go ahead with the repair.

Do you provide a report?

Yes, with photos and findings, which is useful for landlords, insurers and disputes with installers.

Other lantern repairs in Swansea

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