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County Londonderry · BT51

Leak investigation and inspection in Coleraine

Leak investigation and inspection in Coleraine (BT51): we find exactly where water is getting in, water-testing where needed, and put it in writing. Start with a few photos by WhatsApp or the form and we'll come back with a guide price.

Get a guide priceCall 0800 088 6248

In Coleraine, 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

  • 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?

Hidden water paths

Water can travel along bars, decks and linings before it shows.

More than one fault

Older lanterns often have two or three small failures.

Roof lanterns in Coleraine

Western and upland parts of the UK get more rain and more wind-driven rain than the east, and that's what finds weak cappings and blocked eaves first. Lanterns here benefit from a check of the bars on the most exposed face and a clear eaves channel before winter.

From Derry~Londonderry to Coleraine is roughly 27 miles — all part of the County Londonderry area we cover.

We also cover nearby Portstewart (4 miles), Ballymoney (8 miles), Limavady (13 miles).

What should you expect to pay in Coleraine?

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 Northern Ireland?

Straightforward repairs — resealing, gaskets, cappings, eaves and like-for-like parts — don't normally need building regulations approval in Northern Ireland. Replacing the whole lantern or enlarging the opening is different and falls under the Building Regulations (Northern Ireland) 2012; we confirm in writing which route applies before any replacement. Listed buildings in Northern Ireland need listed building consent from the council for alterations; check with the council's planning service 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 Coleraine: questions

How do I get a price for leak investigation and inspection in Coleraine?

Send a few photos of the lantern and the problem, with your Coleraine postcode. We'll reply with a guide price and tell you whether a visit is needed before we can fix the price.

Which places near Coleraine do you cover?

As well as Coleraine, we cover nearby Portstewart, Ballymoney, Limavady, Ballymena and the rest of County Londonderry.

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.

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.

Other lantern repairs in Coleraine

Leak investigation and inspection near Coleraine

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