Patio Door Glass Repairs
No Call Out Fee
Fast Response
Fully Insured
24/7 Emergency Cover
Patio doors often contain some of the largest areas of glazing in a property, helping to fill rooms with natural light and provide an uninterrupted view of the garden. When that glass becomes cracked, shattered, misted or otherwise damaged, it can affect the appearance, safety and performance of the entire door.
Window Doctor provides professional patio door glass repairs and replacements through our nationwide network of local branches, working with sliding patio doors, French doors and bifold doors in residential and commercial properties.
Our experienced glaziers can replace damaged or failed single, double and triple glazing in suitable uPVC, aluminium and timber patio doors. Wherever the surrounding door and frame remain serviceable, we’ll replace the affected glass rather than unnecessarily replacing the complete patio door.
Available 24/7 for any emergency, call us today on 0800 043 0095 for a free quote and have your patio door glass repaired by the best!

From £120
Common Patio Door Glass Problems We Can Repair:
With their large glazed areas and regular use, patio doors can suffer from accidental damage, failed sealed units and general deterioration.
Common patio door glass problems include:
- Cracked patio door glass – impacts, accidental damage or stresses within the glazing can cause cracks to develop.
- Shattered or smashed glass – serious impact or accidental damage can leave a patio door unsafe and exposed.
- Misted double glazing – condensation or cloudiness between the panes usually indicates failure of the sealed glass unit.
- Condensation between the panes – moisture trapped inside double or triple glazing cannot simply be wiped away from the surface.
- Failed sealed glass units – the glass unit can deteriorate independently while the patio door and frame remain perfectly serviceable.
- Burglary or break-in damage – forced entry or attempted burglary can crack or shatter patio door glazing.
- Lawnmower damage – stones and other debris thrown from lawnmowers can strike large patio door panes and cause chips or cracks.
- Stained or permanently marked glass – significant marking or deterioration can spoil the appearance of otherwise good patio doors.
- Damaged safety glass – suitable replacement safety glazing may be required depending on the door and location.
- General wear and deterioration – older glazing can eventually require replacement even where the surrounding door remains in good condition.
Not every problem with a patio door means the glass itself is faulty. If the door has become difficult to slide, open, close or lock, the underlying problem may instead involve the rollers, tracks, hinges, handles or locking mechanism.
Our Patio Door Glass Repairs & Replacement Services:
Window Doctor provides replacement glazing for a wide range of sliding patio doors, French doors and bifold doors, including suitable uPVC, aluminium and timber systems.
Our patio door glass services include:
Single glazed patio door glass replacement
Double glazed patio door unit replacement
Triple glazed patio door unit replacement
Cracked patio door glass replacement
Shattered and smashed glass replacement
Misted patio door glass replacement
Failed sealed unit replacement
Toughened safety glass replacement
Laminated glass replacement where appropriate
Stained or permanently marked glass replacement
Replacement glazing following burglary or attempted break-ins
If your patio door glass has become cracked, shattered, misted or otherwise damaged, contact Window Doctor today. Through our nationwide network of local branches, we can assess the existing glazing, identify the appropriate replacement and provide a free, no-obligation quote for your patio door glass replacement.
Some of our Recent Patio Door Glass Repairs:


Frequently Asked Questions - FAQs
Can you replace patio door glass without replacing the whole door?
Yes, in many cases. If the patio door and frame remain in good condition, the individual pane or sealed glass unit can usually be replaced independently. A damaged or misted glass unit alone doesn't necessarily mean you need a completely new patio door.
Can you replace misted double glazing in patio doors?
Yes. Condensation or misting between the panes usually indicates that the sealed glass unit has failed. The affected unit can often be measured and replaced while retaining the existing patio door and frame.
What type of glass is used in patio doors?
The appropriate glass depends on the particular door and installation. Patio doors commonly require suitable safety glazing because of the size and position of the glass. Window Doctor can assess the existing installation and determine the appropriate replacement specification.
Do you replace glass in sliding, French and bifold doors?
Yes. Window Doctor replaces suitable glazing in sliding patio doors, French doors and bifold doors, including many uPVC, aluminium and timber systems.
What happens if my patio door glass has been completely smashed?
If the glazing has shattered and the property cannot be left secure, emergency boarding may be appropriate while replacement glass is arranged. Window Doctor provides emergency door boarding alongside replacement glazing following accidental damage or break-ins.
You're in safe hands with Window Doctor
- 1 Year Warranty on Labour
- 1 Year Warranty on Manufactured Parts
- No Fix, No Fee
What Our Customers Say

