Commercial lanterns and atrium rooflights fail in the same ways as domestic ones, but access, safety and disruption matter more. Send photos from Barnet (EN5) and we'll tell you which it is — with the price agreed in writing before any work.
Is it time for commercial roof lantern repairs?
- Leaks into trading or office areas
- Insurance or landlord requirement for a report
- Managed buildings with planned maintenance needs
Common causes we find
Scale
More lanterns, more joints, more drainage to block.
Deferred maintenance
Leaks appear when maintenance has slipped.
Covering Barnet and nearby
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.
Barnet is around 11 miles from Westminster, and both are within our Greater London coverage.
Neighbouring places we cover include Potters Bar (3 miles), Borehamwood (3 miles), Finchley (3 miles).
How much should it cost?
Guide price for commercial roof lantern repairs: £495–£2,995 ex VAT (£594–£3,594 inc VAT), per lantern. 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?
- Send photosWhatsApp or upload a few photos and tell us when it leaks.
- Guide priceWe reply with a guide price and whether a visit is needed.
- Fixed price in writingYou approve the price and the date before anything starts.
- Repair and testWe fix what's failed, water-test where it matters, and send photos.
Commercial roof lantern repairs in Barnet: questions
Can you repair a lantern someone else installed in Barnet?
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 Barnet do you cover?
As well as Barnet, we cover nearby Potters Bar, Borehamwood, Finchley, Muswell Hill and the rest of Greater London.
What do commercial lantern repairs cost?
From about £495 ex VAT per lantern; programmes, access equipment and out-of-hours work are priced on survey and confirmed in writing.
Can you invoice a managing agent?
Yes — tell us who the client and invoice contact are when you enquire.
Other lantern repairs in Barnet
- Roof lantern resealing in Barnet
- Flat roof junction and flashing repairs in Barnet
- Condensation diagnosis and fixes in Barnet
- Timber roof lantern repairs in Barnet
- Aluminium roof lantern repairs in Barnet
- Orangery lantern repairs in Barnet
Commercial roof lantern repairs near Barnet
More about commercial roof lantern repairs · All roof lantern repairs in Barnet