Most roof lantern leaks start as small, preventable problems: blocked eaves, a lifted capping, a tired seal. Send photos from Muswell Hill (N10) and we'll tell you which it is — with the price agreed in writing before any work.

What you might be seeing
- Dirty glass or green algae on the frame
- You've never had it checked
- The lantern is under trees
What usually causes it?
Debris
Leaves and moss block drainage.
Algae and dirt
Hold moisture against seals and spoil the view.
Roof lanterns in Muswell Hill
Sun and UV do more damage than rain on many lanterns here: brittle ridge caps, chalky finishes and hardened gaskets. They're cheap to replace before they let water in.
Across London, many lanterns sit on rear extensions with access only through the house, so we protect floors and plan the work to keep time indoors to a minimum. Parking and any permits are factored into the quote.
We cover Muswell Hill as part of Greater London, about 6 miles from Westminster.
We also cover nearby Wood Green (1 mile), Archway (2 miles), Finchley (2 miles).
Guide prices for cleaning and maintenance in Muswell Hill
Typical range: £95–£245 ex VAT, which is £114–£294 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 England?
In England, 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, so we set out the route in writing first. Listed buildings need listed building consent from the local council for alterations, and conservation areas can have extra controls; like-for-like repairs are treated differently from changes, so check with the council's conservation officer first.
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.
Cleaning and maintenance in Muswell Hill: questions
How do I get a price for cleaning and maintenance in Muswell Hill?
Send a few photos of the lantern and the problem, with your Muswell Hill 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 Muswell Hill do you cover?
As well as Muswell Hill, we cover nearby Wood Green, Archway, Finchley, Holloway and the rest of Greater London.
What does a maintenance visit cost?
Usually £95–£245 ex VAT per visit depending on size and access, confirmed in writing before the visit.
Do you clean the inside of the glass?
We can, where safe access from inside is possible; let us know when booking.
Other lantern repairs in Muswell Hill
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Cleaning and maintenance near Muswell Hill
More about cleaning and maintenance · All roof lantern repairs in Muswell Hill