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Greater London · SW15

Cracked lantern glass replacement in Putney

If you're in Putney and dealing with cracked lantern glass, we can help. We make cracked overhead glass safe and fit made-to-measure replacement units, and confirm the fixed price in writing before we start.

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A cracked pane in a roof lantern needs prompt attention because the glass is overhead. Send photos from Putney (SW15) and we'll tell you which it is — with the price agreed in writing before any work.

Two glaziers lifting a replacement glass unit onto a flat roof glazing frame with suction lifters

Is it time for cracked lantern glass replacement?

  • A visible crack in the outer or inner pane
  • A crack running from an edge (often thermal stress)
  • Broken glass inside the room — keep everyone out of the area

Why it happens

Thermal stress

Uneven heating across a pane, edge damage or partial shading can crack glass from the edge.

Spontaneous breakage

Toughened glass can occasionally break without warning, which is why laminated inner panes are recommended overhead.

Roof lanterns in Putney

Drier, sunnier parts of the UK are kinder to seals than the wet west, but strong sun ages sealant, gaskets and plastic end caps, and south- or west-facing lanterns can make rooms very warm. Solar control glass and an opening vent help.

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 Putney as part of Greater London, about 4 miles from Westminster.

Neighbouring places we cover include Barnes (2 miles), Fulham (2 miles), Wimbledon (3 miles).

What should you expect to pay in Putney?

Guide price, per glass unit£295–£795 ex VAT£354–£954 inc VAT

Typical range: £295–£795 ex VAT, which is £354–£954 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.

Cracked lantern glass replacement in Putney: questions

Do you need to visit to price cracked lantern glass replacement?

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.

Which places near Putney do you cover?

As well as Putney, we cover nearby Barnes, Fulham, Wimbledon, Chelsea and the rest of Greater London.

What does replacing cracked lantern glass cost?

Usually £295–£795 ex VAT per unit depending on size, spec and access, confirmed in writing before work starts.

Why did my glass crack on a sunny day?

Thermal stress — one part of the pane heats faster than another, often where it's shaded or chipped at the edge.

Other lantern repairs in Putney

Cracked lantern glass replacement near Putney

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