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Oxfordshire · OX14

Flat roof junction and flashing repairs in Abingdon

If you're in Abingdon 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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We carry out flat roof junction and flashing repairs in Abingdon and across the OX14 area. The junction where the flat roof covering meets the lantern kerb is a weak point on many extensions.

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
  • Missing or loose edge trims and flashings
  • Ponding on the roof next to the lantern

Why it happens

Unbonded membrane

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

Cracked GRP

Fibreglass roofs can crack at the kerb corner where movement concentrates.

Covering Abingdon 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.

Abingdon is around 6 miles from Oxford, and both are within our Oxfordshire coverage.

We also cover nearby Didcot (5 miles), Oxford (6 miles), Witney (12 miles).

Guide prices for flat roof junction and flashing repairs in Abingdon

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?

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.

Flat roof junction and flashing repairs in Abingdon: questions

Do you need to visit to price flat roof junction and flashing repairs?

Not always. Clear photos are often enough for a guide price. Where the cause isn't obvious, a visit to inspect and water-test is charged from £145 ex VAT, confirmed before we come.

Can you repair a lantern someone else installed in Abingdon?

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 Abingdon

Flat roof junction and flashing repairs near Abingdon

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

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