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Berkshire · SL4

Upstand and kerb repairs in Windsor

If you're in Windsor and dealing with a rotten or leaking kerb, we can help. We repair, raise, insulate or rebuild the kerb the lantern sits on and re-cover it, and confirm the fixed price in writing before we start.

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We carry out upstand and kerb repairs in Windsor and across the SL4 area. The upstand, or kerb, is the raised frame the lantern sits on.

Roofer dressing EPDM membrane up the timber kerb under a roof lantern

What you might be seeing

  • Roof membrane not lapped up the kerb, or peeling off it
  • Ponding water against the kerb after rain
  • Cold, damp or mouldy lining around the opening

Why it happens

Kerb too low

If the kerb doesn't rise enough above the finished roof, water sits against the joint during heavy rain.

Rotten timber

Untreated or wet timber kerbs rot from inside, so the lantern loses support and the seals open.

About Windsor and the SL4 area

Most inland lantern leaks aren't storm damage; they're usually tired sealant, a lifted capping or blocked eaves drainage. All three are quick to find and fix once you know where to look.

From Reading to Windsor is roughly 16 miles — all part of the Berkshire area we cover.

Close by, we also cover Slough (2 miles), Egham (4 miles), Staines (5 miles).

Guide prices for upstand and kerb repairs in Windsor

Guide price, per lantern£395–£1,295 ex VAT£474–£1,554 inc VAT

Most upstand and kerb repairs jobs come in between £395 and £1,295 ex VAT (£474–£1,554 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?

  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.

Upstand and kerb repairs in Windsor: questions

How do I get a price for upstand and kerb repairs in Windsor?

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

Do you need to visit to price upstand and kerb 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.

How much does an upstand repair cost?

Typically £395–£1,295 ex VAT depending on size, timber condition and the roof covering. The fixed price is confirmed in writing before work starts.

Can you add insulation to the kerb?

Yes. Insulated kerbs reduce cold bridging and help with condensation around the opening.

Other lantern repairs in Windsor

Upstand and kerb repairs near Windsor

More about upstand and kerb repairs · All roof lantern repairs in Windsor

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