Your glass replacement estimate.

Need a whole new window instead?

Instant prices with fitting and VAT included. No contact details needed to see your estimate.

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A red composite front door with decorative obscure glass panels, framed by a brick porch and clipped topiary
Decorative obscure glass · composite door

What the price includes

What your price includes.

  • Clear, obscure and decorative glass styles
  • Safety and energy-efficient glass options
  • Fitted by our own experienced local installers
  • 10-year guarantee in uPVC and aluminium frames, five years in timber
How sealed unit replacement works

Before you arrange a survey

Glass replacement prices, explained.

If your frames are sound, you can replace the glass on its own. Enter the approximate size of each pane to see a fitted estimate before arranging a free survey.

How much does it cost to replace misted double glazing?

The cost depends on the size of each sealed unit, the glass style and whether you need safety or energy-efficient glass. Enter your measurements in the calculator above for an estimate including fitting, VAT and the service charge. The service charge is applied once per order.

Do I need to replace the whole window?

Usually not if the frames are in good condition. Condensation between the panes often means the glass unit seal has failed. We can replace that sealed unit and keep your existing frames. Damaged or rotten frames may need a complete new window.

How should I measure the glass?

Measure the visible glass width and height, from inside edge to inside edge of the frame. Choose millimetres or centimetres in the calculator. Approximate sizes are enough for an estimate; we check the exact measurements at your free survey before ordering.

Can I see my price without giving my email address?

Yes. Your estimate appears on screen as you enter valid measurements. Contact details are only needed if you choose to email yourself a copy. Your phone number is optional.

What guarantee is included?

Replacement sealed units have a 10-year guarantee in uPVC and aluminium frames, or a five-year guarantee in wooden frames. We confirm the specification and final fitted price during your free survey.

Instant online prices

Replacing the frames too?

Ten window styles, priced instantly with fitting and VAT included.

Rather talk it through? 01296 630650

Replace the misted glass.

New sealed units made to measure and fitted into the frames you already have.

Misted, cracked or blown. Frames fine.

Price my glass About two minutes

A whole new window.

A-rated Liniar frames in ten styles, with your choice of openers and glazing.

Draughty, dated or rotten frames.

Price my new windows Ten styles, priced instantly

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