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South Yorkshire · S70

Flat roof junction and flashing repairs in Barnsley

If you're in Barnsley and dealing with a leak where the roof meets the lantern, we can help. We re-make the membrane, trims and flashing where the flat roof meets the lantern kerb, and confirm the fixed price in writing before we start.

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In Barnsley, as everywhere, the junction where the flat roof covering meets the lantern kerb is a weak point on many extensions. Send photos and we'll tell you what we think has failed.

Newly trimmed flat roof junction and flashing tape around a roof lantern kerb

What you might be seeing

  • Leak near the lantern but not from the frame
  • Splits, blisters or lifted edges in the roof covering by the kerb
  • Missing or loose edge trims and flashings

Why it happens

Unbonded membrane

EPDM or single-ply that has come away from the kerb lets water run behind it.

Missing trims

Without a trim or flashing to protect the top edge, water gets in behind the membrane.

Roof lanterns in Barnsley

Freeze-thaw cycles open up tired sealant and gaskets faster than mild weather does. A spring check after a hard winter catches most problems before they leak.

Urban grime and traffic film dull glass and frames quickly; a clean and seal check makes a tired lantern look and perform much better.

Barnsley is around 12 miles from Sheffield, and both are within our South Yorkshire coverage.

Close by, we also cover Wakefield (9 miles), Rotherham (10 miles), Ossett (10 miles).

What should you expect to pay in Barnsley?

Guide price, per lantern£245–£695 ex VAT£294–£834 inc VAT

Typical range: £245–£695 ex VAT, which is £294–£834 with 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?

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.

Flat roof junction and flashing repairs in Barnsley: questions

How do I get a price for flat roof junction and flashing repairs in Barnsley?

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

Can you repair a lantern someone else installed in Barnsley?

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.

What does a junction repair cost?

Usually £245–£695 ex VAT, confirmed in writing before work starts.

Can you repair a GRP roof without it showing?

Repairs are colour-matched as closely as possible, but new topcoat next to weathered topcoat can look slightly different at first.

Other lantern repairs in Barnsley

Flat roof junction and flashing repairs near Barnsley

More about flat roof junction and flashing repairs · All roof lantern repairs in Barnsley

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