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Powys · SY16

Flat roof junction and flashing repairs in Newtown

If you're in Newtown 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 Newtown and across the SY16 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

Is it time for flat roof junction and flashing repairs?

  • 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.

Cracked GRP

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

Covering Newtown and nearby

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.

If you're just outside Newtown, we also cover Welshpool (12 miles), Llandrindod Wells (19 miles), Machynlleth (24 miles).

Guide prices for flat roof junction and flashing repairs in Newtown

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 Wales?

In Wales, 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 (as applied in Wales), so we set out the route in writing first. Listed buildings in Wales need listed building consent from the local planning authority for alterations, with Cadw guidance on historic buildings; check with the council before changing a lantern on a listed property.

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 Newtown: questions

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

Send a few photos of the lantern and the problem, with your Newtown 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 Newtown?

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 Newtown

Flat roof junction and flashing repairs near Newtown

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

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