Wooden Sash Windows Repair in South Glamorgan (5)

Has age, draughts, sticking frames, rattling panes, and rot taken their toll on your wooden sash windows? Sounds like a repair job is in order.

Read on for everything you need to know about finding and hiring wooden sash windows repair services covering South Glamorgan.

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How much to repair wooden sash windows in South Glamorgan?

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However, for more complex repairs, like replacing sections of timber or refurbishing heritage windows, it may sit at the higher end.

Our wooden sash windows refurbishment cost guide goes into more detail.

Tip: Are your wooden sash windows on their last legs? A replacement might make more financial sense in the long term. Our replacing sash windows cost guide helps weigh up the options.

What are the signs that your wooden sash windows need repairing?

Spotting issues early can save you from more expensive repairs later. Look out for:

• Windows that are hard to open or close – Often caused by swollen timber, worn cords, or misaligned sashes
• Draughts or rattling – Gaps or loose fittings may mean the sash needs adjustment or sealing
• Flaking or peeling paint – A sign that moisture is getting into the timber
• Soft, spongy, or discoloured wood – An early indicator of rot
• Broken or frayed sash cords – Windows won't stay open or feel unbalanced
• Cracked putty or loose glazing – Can allow water ingress and further damage
• Visible gaps around the frame – Due to settling, shrinkage, or previous poor repairs

If you notice any of these issues, get a sash window specialist to take a look. It can help prevent further damage and maintain your home’s energy efficiency.

What does repairing wooden sash windows involve?

Repairing and restoring wooden sash windows typically involves:

• Assessing timber condition for rot, swelling, or cracks
• Removing sash frames for easier access
• Sanding, treating, or repairing damaged timber
• Replacing sash cords, pulleys, or weights if needed
• Upgrading draught-proofing
• Re-painting or re-finishing for long-term protection

If you've got time on your hands, some of the jobs above could be a DIY-fix, such as sanding and painting.

But we’d leave anything else to an experienced sash window specialist. They’ll make sure your windows work smoothly, safely and have a quality finish.

Are wooden sash windows worth repairing?

Absolutely. Repairing original timber sash windows is often more affordable than replacing them and helps retain period charm. Repairs can:

• Improve insulation and reduce draughts
• Restore smooth operation
• Add long-term value to your property
• Protect historic or conservation-area features

However, if the frame is severely deteriorated, replacement may be the more practical option.

A specialist in wooden sash window repair will confirm the best approach.

Why use Checkatrade?

• Fully checked repairers covering your local area
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