Energy-saving repair guide
Window repairs that can improve the efficiency of older windows.
Older windows can often be improved with targeted repairs such as new seals, hinge replacement, lock adjustment, replacement sealed units and better closing pressure. Full replacement is the better answer when the frame or long-term performance is beyond repair.
Short answer
Older windows can often be improved with targeted repairs such as new seals, hinge replacement, lock adjustment, replacement sealed units and better closing pressure. Full replacement is the better answer when the frame or long-term performance is beyond repair.
Visible proof customers can recognise
Small faults can waste heat
A failed hinge, poor seal, dropped sash or misted unit can reduce comfort even when the frame still has useful life left. That is repair-led work and should be easy for customers to find.
Know when to replace
If the frame is damaged, poorly fitted or repeatedly failing, new windows may deliver a better long-term result. The upgraded page links repair and installation choices together clearly.
Common decisions this page covers
- Draught seals
- Hinge replacement
- Misted sealed units
- Lock adjustment
- Closing pressure
- Replacement advice
Related pages
Questions customers ask
- Can double glazing be repaired instead of replaced?
Often, yes. Misted units, hinges, handles, locks, seals and alignment faults can often be repaired when the frame is sound.
- When is replacement the better answer?
Replacement is usually better when the frame, security, finish or long-term performance cannot be restored by targeted repair.
- What should I send for a quote?
Send photos, your location, the number of affected windows or doors and whether the property is currently secure.
Tell us what needs fixing or replacing.
Include the fault, location, photos and whether the property is secure. That gives the team the best chance of advising quickly.