How to tell if your windows need replacing

Most people don’t think about their windows until something goes wrong. Then the cold weather arrives and the problems get harder to ignore. If you’ve noticed a few small niggles lately, they might add up to more than you think. It’s worth knowing what to look for before winter properly sets in.

Misting between the panes

This is the clearest sign. Double glazed units come sealed. When that seal fails, moist air gets in and fogs the glass. You can’t wipe it away because it sits between the two panes. The unit has stopped insulating properly, and it will only get worse. Even if the mist comes and goes, the seal has already gone.

Draughts and cold spots

Hold your hand near the frame on a windy day. If you feel air moving, the seals or the frame have given up. Rooms that never seem to warm up are another clue. Your heating works hard, but the heat leaks straight out. You might also notice curtains moving when the window is shut.

Condensation on the inside of windows

A little condensation on a cold morning is normal – heavy, constant condensation is different. If you wipe the glass every day, or you spot damp and mould on the frame or sill, something isn’t right. Old windows with poor seals let the glass get very cold, which makes the problem worse. Left alone, that damp can start to damage your walls and window sills.

Windows that are hard to open or close

Stiff handles, sticking sashes and frames that won’t sit flush all point to wear. Hinges drop and frames warp. A window that doesn’t close properly won’t seal properly either. It also weakens your security, because a poorly fitting lock is easier to force. If you have to lean on a window to shut it, that’s a warning sign.

Damaged or rotting frames

Look closely at the frames and sills. Soft spots, flaking paint on timber, cracks in uPVC and corroded hardware all mean the window is past its best. Repairs can buy you a bit of time, but they rarely last. Water can also get into damaged frames, which speeds up the decay.

Noise and higher bills

Can you hear traffic or neighbours more than you used to? Old glazing lets sound through. Heating bills creeping up each winter point the same way. Windows that lose heat make your boiler run longer. Newer glazing can make a real difference to both the noise and the cost.

What to do next

You don’t have to replace every window at once. Start with the worst ones, usually in the rooms you use most or the ones with failed units. A proper survey shows you which windows need replacing and which still have life left in them. That way you spend your money where it counts.

If you’re in or around Bedfordshire and you spot any of these signs, get in touch with G&L. We’ll take a look, give you honest advice and quote for what you actually need.

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