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Gwynedd · LL40

Leak investigation and inspection in Dolgellau

Dealing with a leak nobody has managed to find in Dolgellau (LL40)? We find exactly where water is getting in, water-testing where needed, and put it in writing, with a fixed price agreed in writing first.

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In Dolgellau, 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

Is it time for leak investigation and inspection?

  • Previous repairs haven't stopped the leak
  • You're not sure if it's a leak or condensation
  • You need a written report for a landlord, insurer or builder

What usually causes it?

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.

Covering Dolgellau and nearby

Wind-driven rain is the real test of a roof lantern, and the wetter west sees plenty of it. Leaks that appear only in a storm from one direction usually point to the cappings or eaves on that face — a useful clue when you send us photos.

Near the coast, salt in the air is hard on aluminium finishes and fixings; washing the frame occasionally and touching in chips keeps corrosion away.

From Bangor, Gwynedd to Dolgellau is roughly 35 miles — all part of the Gwynedd area we cover.

Neighbouring places we cover include Machynlleth (11 miles), Porthmadog (16 miles), Aberystwyth (24 miles).

What should you expect to pay in Dolgellau?

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

Most leak investigation and inspection jobs come in between £145 and £295 ex VAT (£174–£354 including 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?

In Wales, like-for-like repairs to a roof lantern don't usually involve building control. A full replacement or a bigger opening is controlled under the Building Regulations 2010 (as applied in Wales), so we set out the route in writing first. 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 Dolgellau: 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.

Which places near Dolgellau do you cover?

As well as Dolgellau, we cover nearby Machynlleth, Porthmadog, Aberystwyth, Pwllheli and the rest of Gwynedd.

What does a leak investigation cost?

Visits start from £145 ex VAT, up to around £295 for larger lanterns or longer water tests. The cost and what's included are confirmed in writing before we visit.

Do you provide a report?

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

Other lantern repairs in Dolgellau

Leak investigation and inspection near Dolgellau

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