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Bedfordshire · MK40

Misted glass unit replacement in Bedford

For misted glass unit replacement in Bedford, the job is simple to describe: we measure, order and fit replacement sealed units for misted panes, keeping the rest of the lantern. Photos first, a guide price back, then a written fixed price.

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If a roof lantern pane looks cloudy or wet between the two layers of glass, the sealed unit has failed and moisture has got inside. Send photos from Bedford (MK40) and we'll tell you which it is — with the price agreed in writing before any work.

Roof lantern seen from inside with one misted double glazed pane between clear panes

What you might be seeing

  • One pane looks hazier than the others
  • Misting that comes and goes with the weather
  • Water marks or tide lines inside the unit

Why it happens

Edge seal failure

Every sealed unit has an edge seal and desiccant. Once the seal fails, humid air gets in and the desiccant saturates.

Water sitting on the edge

If the unit's edge sits in water because the eaves don't drain, the seal fails sooner.

About Bedford and the MK40 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.

Neighbouring places we cover include Ampthill (8 miles), St Neots (10 miles), Rushden (12 miles).

How much should it cost?

Guide price, per glass unit£245–£595 ex VAT£294–£714 inc VAT

Most misted glass unit replacement jobs come in between £245 and £595 ex VAT (£294–£714 including VAT), per glass unit. 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.

Misted glass unit replacement in Bedford: questions

Do you need to visit to price misted glass unit replacement?

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 Bedford?

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.

How much does a misted lantern unit cost to replace?

Usually £245–£595 ex VAT per unit depending on size, glass spec and access, confirmed in writing before work starts.

How long does a replacement unit take?

Units are made to measure, so there's a lead time between measuring and fitting. Fitting itself is usually a short visit.

Other lantern repairs in Bedford

Misted glass unit replacement near Bedford

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