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Cheshire · CH1

Flat roof junction and flashing repairs in Chester

We cover Chester and the wider Cheshire area for flat roof junction and flashing repairs. In short, we re-make the membrane, trims and flashing where the flat roof meets the lantern kerb — and you know the price before any work begins.

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In Chester, 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
  • Ponding on the roof next to the lantern

Common causes we find

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 Chester

Western and upland parts of the UK get more rain and more wind-driven rain than the east, and that's what finds weak cappings and blocked eaves first. Lanterns here benefit from a check of the bars on the most exposed face and a clear eaves channel before winter.

Close by, we also cover Ellesmere Port (6 miles), Halewood (12 miles), Bebington (12 miles).

Guide prices for flat roof junction and flashing repairs in Chester

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

Guide price for flat roof junction and flashing repairs: £245–£695 ex VAT (£294–£834 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?

  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 Chester: questions

Can you repair a lantern someone else installed in Chester?

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 Chester do you cover?

As well as Chester, we cover nearby Ellesmere Port, Halewood, Bebington, Runcorn and the rest of Cheshire.

Do you repair the whole flat roof?

We repair the area around the lantern. If the wider roof is failing we'll tell you and can quote, but we won't push a new roof if a local repair will do.

What does a junction repair cost?

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

Other lantern repairs in Chester

Flat roof junction and flashing repairs near Chester

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

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