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Greater London · SW19

Misted glass unit replacement in Wimbledon

Dealing with a misted pane in Wimbledon (SW19)? We measure, order and fit replacement sealed units for misted panes, keeping the rest of the lantern, with a fixed price agreed in writing first.

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We carry out misted glass unit replacement in Wimbledon and across the SW19 area. 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.

Roof lantern seen from inside with one misted double glazed pane between clear panes

What you might be seeing

  • One pane looks hazier than the others
  • Misting that comes and goes with the weather
  • Water marks or tide lines inside the unit

Common causes we find

Edge seal failure

Every sealed unit has an edge seal and desiccant. Once the seal fails, humid air gets in and the desiccant saturates.

Movement and age

Thermal movement and age wear the seal; units at the bottom of the lantern often go first.

About Wimbledon and the SW19 area

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.

London's extensions are often tight to neighbouring walls and roofs. Where a repair needs access over a neighbour's property, we'll tell you in advance so you can arrange it.

From Westminster to Wimbledon is roughly 6 miles — all part of the Greater London area we cover.

Close by, we also cover Morden (2 miles), Mitcham (2 miles), Putney (3 miles).

What should you expect to pay in Wimbledon?

Guide price, per glass unit£245–£595 ex VAT£294–£714 inc VAT

Typical range: £245–£595 ex VAT, which is £294–£714 with 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?

  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.

Misted glass unit replacement in Wimbledon: questions

Can you repair a lantern someone else installed in Wimbledon?

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 Wimbledon do you cover?

As well as Wimbledon, we cover nearby Morden, Mitcham, Putney, New Malden and the rest of Greater London.

How long does a replacement unit take?

Units are made to measure, so there's a lead time between measuring and fitting. Fitting itself is usually a short visit.

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.

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Misted glass unit replacement near Wimbledon

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