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Hertfordshire · AL5

Roof lantern replacement in Harpenden

If you're in Harpenden 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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In Harpenden, as everywhere, 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 and we'll tell you what we think has 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
  • Rotten timber throughout

Common causes we find

Age

Older lanterns can't be brought up to modern performance with repairs alone.

Rot

Timber lanterns left unmaintained.

Covering Harpenden and nearby

Lanterns in central England see a bit of everything — summer sun that ages seals and end caps, autumn leaf fall that blocks eaves, and frosty mornings that bring condensation. A yearly check covers all three.

We cover Harpenden as part of Hertfordshire, about 5 miles from St Albans.

Close by, we also cover St Albans (5 miles), Luton (5 miles), Hemel Hempstead (6 miles).

Guide prices for roof lantern replacement in Harpenden

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

Most roof lantern replacement jobs come in between £1,995 and £4,995 ex VAT (£2,394–£5,994 including 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 Harpenden: questions

Do you cover Harpenden?

Yes. We cover Harpenden, including the AL5 postcode area, as part of Hertfordshire. 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.

How do I get a price for roof lantern replacement in Harpenden?

Send a few photos of the lantern and the problem, with your Harpenden postcode. We'll reply with a guide price and tell you whether a visit is needed before we can fix the price.

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.

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.

Other lantern repairs in Harpenden

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