A roof lantern leak is almost always a failed seal, a lifted capping, blocked eaves drainage or a problem where the kerb meets the flat roof — not a failed lantern. We carry out roof lantern leak repairs across Dundee and Angus, with a guide price from your photos and a fixed price in writing before any work starts.

Signs you need roof lantern leak repairs
- Drips from a glazing bar or the eaves beam when it rains
- Water running down the inside face of the glass
- Damp patches on the ceiling a short distance from the lantern
What usually causes it?
Failed silicone or glazing tape
UV and thermal movement break down the seal between capping, gasket and glass. Once a gap opens, water tracks along the bar and drops at the lowest point.
Blocked eaves drainage
Most lanterns collect water in a channel inside the eaves beam and let it out through weep slots. Leaves, moss and grit block the slots and the channel overflows indoors.
Roof lanterns in Dundee and Angus
Colder winters mean more frosty mornings, and a roof lantern is often the coldest surface in a warm kitchen — so condensation is as common as genuine leaks. We check which you've got before quoting.
Coastal wind drives rain hard against lanterns, so cappings and ridge seals on the seaward face take the most punishment.
What should you expect to pay for roof lantern leak repairs in Dundee and Angus?
Typical range: £195–£595 ex VAT, which is £234–£714 with VAT, per lantern. 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 Scotland?
In Scotland, 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 (Scotland) Regulations 2004, so we set out the route in writing first. Listed buildings in Scotland need listed building consent from the planning authority for alterations, with Historic Environment Scotland guidance; check before changing a lantern on a listed property.
How does it work?
- Send photosWhatsApp or upload a few photos and tell us when it leaks.
- Guide priceWe reply with a guide price and whether a visit is needed.
- Fixed price in writingYou approve the price and the date before anything starts.
- Repair and testWe fix what's failed, water-test where it matters, and send photos.
Roof lantern leak repairs in Dundee and Angus: questions
Do I need to be home?
If we need to water-test or check the inside of the lantern, yes. Exterior-only work can sometimes be done with access arranged in advance.
Will you show me what was wrong?
Yes. We photograph the failed detail and the finished repair and send them to you with the invoice.
Which towns in Dundee and Angus do you cover?
All of Dundee and Angus, including Dundee, Arbroath, Brechin, Carnoustie, Forfar, Montrose. Rural and remote addresses are covered by arrangement.
How do I get a price for roof lantern leak repairs in Dundee and Angus?
Send a few photos of the lantern and the problem with your postcode, by WhatsApp or the form. We reply with a guide price and confirm the fixed price in writing before any work starts.
Other repairs in Dundee and Angus
- Roof lantern resealing in Dundee and Angus
- Upstand and kerb repairs in Dundee and Angus
- Misted glass unit replacement in Dundee and Angus
- Condensation diagnosis and fixes in Dundee and Angus
- Cleaning and maintenance in Dundee and Angus
- Commercial roof lantern repairs in Dundee and Angus
Nearby areas
- Roof lantern leak repairs in Fife
- Roof lantern leak repairs in Perth and Kinross
- Roof lantern leak repairs in Edinburgh and the Lothians
- Roof lantern leak repairs in Stirling and Falkirk
- Roof lantern leak repairs in Aberdeen and Aberdeenshire
More about roof lantern leak repairs · All roof lantern repairs in Dundee and Angus