Resealing is the planned, whole-lantern version of a leak repair: we cut out the old, failed sealant, clean every joint back to a sound surface and reseal the cappings, ridge and eaves with materials that suit the frame. We carry out roof lantern resealing across Wiltshire, with a guide price from your photos and a fixed price in writing before any work starts.

Signs you need roof lantern resealing
- Cracked, split or shrunken sealant along the bars
- Black mould or dirt lines trapped in old silicone
- Sealant applied over sealant from previous patch repairs
What usually causes it?
Sealant past its life
Exposed sealant on a roof takes UV, frost and constant expansion and contraction. It hardens, loses grip and pulls away from the glass.
Patch over patch
Fresh sealant run over old, dirty sealant rarely bonds. It looks fixed for a season and then lets go.
Roof lanterns in Wiltshire
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.
What should you expect to pay for roof lantern resealing in Wiltshire?
Most roof lantern resealing jobs come in between £245 and £495 ex VAT (£294–£594 including 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?
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?
- 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.
Roof lantern resealing in Wiltshire: questions
Can you match the colour of my frame?
We use sealants in common frame colours such as anthracite grey, black and white, and match as closely as the range allows.
How long does resealing take?
Most domestic lanterns take a few hours in dry weather.
Which towns in Wiltshire do you cover?
All of Wiltshire, including Swindon, Salisbury, Trowbridge, Chippenham. Rural and remote addresses are covered by arrangement.
How do I get a price for roof lantern resealing in Wiltshire?
Send a few photos of the lantern and the problem with your postcode, by WhatsApp or the form. We reply with a guide price and confirm the fixed price in writing before any work starts.
Other repairs in Wiltshire
- Roof lantern leak repairs in Wiltshire
- Ridge and hip repairs in Wiltshire
- Solar control and self-cleaning glass upgrades in Wiltshire
- uPVC roof lantern repairs in Wiltshire
- Flat rooflight and skylight repairs in Wiltshire
- Cleaning and maintenance in Wiltshire
Nearby areas
- Roof lantern resealing in Bristol
- Roof lantern resealing in Gloucestershire
- Roof lantern resealing in Somerset
- Roof lantern resealing in Hampshire
- Roof lantern resealing in Oxfordshire
More about roof lantern resealing · All roof lantern repairs in Wiltshire