We carry out leak investigation and inspection in Castle Douglas and across the DG7 area. Some leaks are obvious; many aren't.

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.
About Castle Douglas and the DG7 area
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.
Castle Douglas is around 15 miles from Dumfries, and both are within our Dumfries and Galloway coverage.
Neighbouring places we cover include Kirkcudbright (9 miles), Dumfries (15 miles), Lockerbie (26 miles).
What should you expect to pay in Castle Douglas?
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 Scotland?
Most lantern repairs in Scotland need no approval at all. Where a job turns into a replacement, the Building (Scotland) Regulations 2004 apply and we confirm how the work will be signed off before we start. 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.
Leak investigation and inspection in Castle Douglas: questions
Do you cover Castle Douglas?
Yes. We cover Castle Douglas, including the DG7 postcode area, as part of Dumfries and Galloway. Send photos by WhatsApp or the form for a free guide price, and we'll confirm the fixed price in writing before any work starts.
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.
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 Castle Douglas
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- Flat roof junction and flashing repairs in Castle Douglas
- Solar control and self-cleaning glass upgrades in Castle Douglas
- Opening vent and actuator repairs in Castle Douglas
- Orangery lantern repairs in Castle Douglas
Leak investigation and inspection near Castle Douglas
More about leak investigation and inspection · All roof lantern repairs in Castle Douglas