ROOFLANTERNREPAIRS.co.uk
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Greater London · SM5

Roof lantern replacement in Carshalton

If you're in Carshalton and dealing with a lantern that's past repair, we can help. We replace lanterns that are beyond economic repair, checking the kerb and re-making the junction, and confirm the fixed price in writing before we start.

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We carry out roof lantern replacement in Carshalton and across the SM5 area. We're repair-first, but some lanterns are past it: distorted frames, rot through the main bars, or most of the glass failed.

Two installers lowering a new aluminium roof lantern onto a prepared timber kerb

Is it time for roof lantern replacement?

  • Several misted or cracked units
  • Distorted or sagging frame
  • Repeated leaks after previous repairs

Why it happens

Structural damage

Impact or movement distorts the frame.

Rot

Timber lanterns left unmaintained.

Covering Carshalton and nearby

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.

Carshalton is around 9 miles from Westminster, and both are within our Greater London coverage.

If you're just outside Carshalton, we also cover Wallington (1 mile), Sutton (2 miles), Mitcham (2 miles).

How much should it cost?

Guide price, supplied and fitted£1,995–£4,995 ex VAT£2,394–£5,994 inc VAT

Typical range: £1,995–£4,995 ex VAT, which is £2,394–£5,994 with VAT, supplied and fitted. 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?

  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.

Roof lantern replacement in Carshalton: questions

Do you cover Carshalton?

Yes. We cover Carshalton, including the SM5 postcode area, as part of Greater London. 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.

Which places near Carshalton do you cover?

As well as Carshalton, we cover nearby Wallington, Sutton, Mitcham, Morden and the rest of Greater London.

Can the new lantern use the existing opening?

Usually, if the kerb is sound and the size suits a standard or made-to-measure lantern.

Will you tell me if repair is enough?

Yes. We'd rather do a repair that works than sell a lantern you don't need.

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