The good news is you almost certainly don't need a new window
The glass unit sits inside your existing frame. In the vast majority of cases we take out the failed unit and fit a new one, leaving your frame, hinges, handles and decor exactly as they are. It is a fraction of the cost of a replacement window and there is no mess.
How to tell a unit has blown
Condensation or a fine mist between the panes that you can't wipe off. A milky or rainbow-ish film in bright sunlight. Streaks or tide marks that reappear after cleaning. Sometimes visible droplets sitting inside the glass. One window going before the others is completely normal — units fail at their own pace, usually starting with whichever gets the most sun.
What we do
We measure the failed unit, order it made to size, and come back to fit it. You get the same glass specification you had, or you can take the opportunity to upgrade — Low-E glass for warmth, obscure patterns for a bathroom, or toughened glass where a pane sits low to the floor.
Get a price for your job
Free quotes, no call-out charge and no obligation. Ring us and describe the job, or send a photo and we'll come back to you.
Call 01922 894977 Request a quote
Certass registered · PWF Trusted Installer · £5m public liability · 40 years' experience
Common questions
Can you do just the one window?
Yes — each window has its own sealed unit, so we can replace the one that's gone and leave the rest alone. One thing worth knowing: a sealed unit is two panes of glass bonded to a spacer bar, and it comes out and goes back in as a single piece. There is no way to change just the inner or outer pane, so what gets replaced is the whole unit for that window — the frame still stays put.
Will it damage my frame?
No. The unit is held in by beading that lifts out and clips back. uPVC, timber and aluminium frames are all straightforward.
Do I need a whole new window?
Almost never. If the frame is sound and the hinges and locks still work, replacing the glass unit is the sensible repair. We'll tell you honestly if the frame really is past it.
Is a misted unit costing me money?
Yes, a bit. Once the seal has gone the insulating gap stops doing its job properly, so that window is losing more heat than it should.
Where we cover
misted and blown double glazing across the West Midlands and the towns around it, including: