Repair guide
Repair or Replace a Window: How to Decide
By the Newcastle Window and Door Repairs team
Last updated:
Homeowners are often quoted for whole new windows when a single component has failed. Just as often, people spend money repairing a frame that really has come to the end of its life.
This guide gives you the questions we ask ourselves on an inspection, so you can weigh it up before anyone quotes you.
Repair first
15 minute replies
Working hours
Free in-person quotes
Fully insured
Guaranteed workmanship
Repair is usually right when
- The frame is straight, solid and free from cracks or splits
- Only the glass has misted, so the sealed unit can be swapped
- Hinges, handles, locks or seals have worn but the sash sits well
- The window drops or catches, which is normally alignment and hardware
- Parts are still available for the system, which they usually are
- The windows are otherwise doing their job and you like how they look
Replacement starts to make sense when
- The frame is cracked, split, distorted or has been badly weathered
- The frame corners have failed so the sash can no longer be squared up
- Water is getting through the frame itself rather than the seals or beads
- Multiple faults across the same window keep returning after repairs
- The window is single glazed and you want a real change in comfort
Window repairs
- Windows that will not open or will not close fully
- Stiff, heavy or grinding opening mechanisms
- Dropped or misaligned sashes catching the frame
Doing the sums honestly
The cost of a complete window includes the surround, its glazing, moving components and installation. Compare that with a focused repair: renewed sealed glass, operating gear or hinges cost only a fraction of the complete opening and can extend its useful service by years.
So the practical test is simple: if the money you spend restores full function to a sound frame, repair. If you would be repairing around a frame that has already failed, that is the point to consider replacement.
How we approach it
Our assessment covers the complete opening, not solely the symptom reported. We explain the distinction between adjustment and worn parts requiring renewal. As a repair-led business, we suggest a new window only if the existing one cannot be put right with a sound repair.
Where a replacement is the honest answer, we can supply it, and we will not pressure you either way.
Guidance on cost
Typical price ranges
Guidance only. Size, specification, access and frame condition affect the price; a free inspection confirms it.
| Work and what affects its cost | Typical range |
|---|---|
| Sealed unit replacementFrame stays, glass changes | around £70 to £180 per unit fitted |
| Hardware repair per windowHinges, handles or locking mechanism | around £50 to £180 fitted |
| Draught proofing per windowGaskets, seals and compression | around £50 to £110 |
| Replacement windowOnly where a sound repair is not possible | several hundred pounds and upwards |
Repairs for repair or replace?
Local help with repair or replace?
Want a professional to handle it?
Questions
Frequently asked
Is it worth repairing a twenty year old uPVC window?
Usually yes. If the frame and glass are sound, replacing the hardware restores full function for a fraction of a new window, and parts are still widely available for older systems.
How do I know if a frame is beyond repair?
Cracked, split or distorted frames, failed corner welds and water coming through the frame itself are the signs that repair no longer makes sense.
Do you supply replacement windows as well as repairs?
Yes, when a window genuinely cannot be repaired, and we will never recommend or upsell replacement unless it is absolutely necessary.
Do you charge to come and assess it?
No. In-person quotations are free, and clear photographs can sometimes help us give an initial estimate before we visit.
Ask about repair or replace?
Photo estimates sometimes possible.
Related services
Covering Newcastle and the North East.