If a roof lantern pane looks cloudy or wet between the two layers of glass, the sealed unit has failed and moisture has got inside. Send photos from Muswell Hill (N10) and we'll tell you which it is — with the price agreed in writing before any work.
Signs you need misted glass unit replacement
- One pane looks hazier than the others
- Misting that comes and goes with the weather
- Water marks or tide lines inside the unit
What usually causes it?
Water sitting on the edge
If the unit's edge sits in water because the eaves don't drain, the seal fails sooner.
Movement and age
Thermal movement and age wear the seal; units at the bottom of the lantern often go first.
Roof lanterns in Muswell Hill
Even in drier areas, one heavy downpour with blocked eaves is enough to overflow a lantern indoors. Clearing the eaves channel is the simplest prevention there is.
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.
Muswell Hill is around 6 miles from Westminster, and both are within our Greater London coverage.
We also cover nearby Wood Green (1 mile), Archway (2 miles), Finchley (2 miles).
Guide prices for misted glass unit replacement in Muswell Hill
Most misted glass unit replacement jobs come in between £245 and £595 ex VAT (£294–£714 including VAT), per glass unit. 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?
Most lantern repairs in England need no approval at all. Where a job turns into a replacement, the Building Regulations 2010 apply and we confirm how the work will be signed off before we start. 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.
Misted glass unit replacement in Muswell Hill: questions
Can you repair a lantern someone else installed in Muswell Hill?
Yes. We repair lanterns whoever fitted them. If yours is still under the installer's warranty, contact them first so you don't affect it.
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.
How much does a misted lantern unit cost to replace?
Usually £245–£595 ex VAT per unit depending on size, glass spec and access, confirmed in writing before work starts.
Will the new pane match the others?
We match tint and coatings as closely as possible; a new unit can look very slightly clearer than older neighbours.
Other lantern repairs in Muswell Hill
- Glazing bar and capping repairs in Muswell Hill
- Ridge and hip repairs in Muswell Hill
- Eaves beam and gutter repairs in Muswell Hill
- Upstand and kerb repairs in Muswell Hill
- Slipped glass panel repairs in Muswell Hill
- Cleaning and maintenance in Muswell Hill
Misted glass unit replacement near Muswell Hill
More about misted glass unit replacement · All roof lantern repairs in Muswell Hill