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Greater London · SE3

Roof lantern replacement in Blackheath

For roof lantern replacement in Blackheath, the job is simple to describe: we replace lanterns that are beyond economic repair, checking the kerb and re-making the junction. Photos first, a guide price back, then a written fixed price.

Get a guide priceCall 0800 088 6248

We're repair-first, but some lanterns are past it: distorted frames, rot through the main bars, or most of the glass failed. Send photos from Blackheath (SE3) and we'll tell you which it is — with the price agreed in writing before any work.

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

What you might be seeing

  • Distorted or sagging frame
  • Rotten timber throughout
  • Repeated leaks after previous repairs

Common causes we find

Structural damage

Impact or movement distorts the frame.

Rot

Timber lanterns left unmaintained.

About Blackheath and the SE3 area

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.

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 Blackheath is roughly 7 miles — all part of the Greater London area we cover.

We also cover nearby Greenwich (1 mile), Catford (2 miles), Eltham (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?

Straightforward repairs — resealing, gaskets, cappings, eaves and like-for-like parts — don't normally need building regulations approval in England. Replacing the whole lantern or enlarging the opening is different and falls under the Building Regulations 2010; we confirm in writing which route applies before any replacement. 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 Blackheath: questions

Do you cover Blackheath?

Yes. We cover Blackheath, including the SE3 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 Blackheath do you cover?

As well as Blackheath, we cover nearby Greenwich, Catford, Eltham, Canary Wharf and the rest of Greater London.

How much does a replacement roof lantern cost?

Standard sizes typically £1,995–£4,995 ex VAT supplied and fitted; bespoke sizes and kerb rebuilds are priced on survey. You get the fixed price in writing first.

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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