Window Repairs & Glazing Replacement

Helping Your Windows and Doors Work Properly Again

Windows and doors naturally wear over time. Handles loosen, seals fail, locks stiffen and glass can mist — but that doesn’t always mean full replacement is needed.
At Simply Double Glazing, we help homeowners across Kent and South London repair, maintain and improve existing windows and doors, extending their life wherever possible and offering clear advice when replacement is the better option.
Repairing Double Glazing
Honest assessment of what can be repaired
Repairing Double Glazing
Practical solutions to restore performance
Repairing Double Glazing
Careful workmanship carried out with respect for your home
Repairing Double Glazing
Support even if we weren’t the original installer
Repairing Double Glazing
Clear advice and no pressure

Double-Glazing Repairs

Restoring Comfort, Efficiency and Peace of Mind
When double glazing starts to fail, it can affect warmth, security and everyday comfort. We take the time to properly assess the issue and carry out repairs that genuinely improve performance.
What can go wrong with double glazing
Repairs to misted or failed units
What can go wrong with double glazing
Improved insulation and reduced draughts
What can go wrong with double glazing
Restores smooth operation of windows and doors
What can go wrong with double glazing
Helps extend the life of existing installations
What can go wrong with double glazing
A sensible alternative to unnecessary replacement

Glazing Replacement

When New Glass Is the Right Answer
Sometimes replacing the glass — rather than the whole window or door — is the most effective solution. We’ll always explain your options clearly so you can make a confident decision.
Why Replace Glazing
Replacement glass fitted neatly and securely
Why Replace Glazing
Helps improve thermal efficiency
Why Replace Glazing
Reduces condensation and heat loss
Why Replace Glazing
Suitable for both windows and doors
Why Replace Glazing
A cost-effective way to refresh performance

Locks, Hinges & Handles

Small Fixes That Make a Big Difference
Worn or faulty hardware can affect security and usability. We repair and replace window and door components to keep everything working as it should.
Small window fixes
Window and door lock repairs and upgrades
Small window fixes
Hinges adjusted or replaced for smoother operation
Small window fixes
Handles repaired or replaced to improve ease of use
Small window fixes
Improves security and everyday reliability

Gaskets & Seals

Improving Insulation and Reducing Draughts
Failed or worn gaskets are a common cause of heat loss and draughts. Replacing them can make a noticeable difference to comfort.
Glass Seal Repairs
Replacement of worn or damaged seals
Glass Seal Repairs
Helps keep warmth inside the home
Glass Seal Repairs
Reduces rattling and draughts
Glass Seal Repairs
Supports longer window and door lifespan

Cat & Dog Flaps

Practical Additions That Work With Your Home
We fit cat and dog flaps into suitable doors and glazing, taking care to keep everything secure and well finished.
Benefits of Cat and Dog Flaps
Suitable options for different door types
Benefits of Cat and Dog Flaps
Neat, professional installation
Benefits of Cat and Dog Flaps
Secure and easy to use
Benefits of Cat and Dog Flaps
Advice on the best option for your home

Letterboxes

Small Details, Properly Finished
If you need a letterbox fitted or replaced, we can install it neatly into existing or new doors.
Letterbox Options
Suitable for uPVC and other door types
Letterbox Options
Secure, well-aligned installation
Letterbox Options
Choice of styles and finishes
Letterbox Options
Finished to match the look of your door

Security Improvements

Extra Reassurance Where It Matters
If you’re looking to improve security, we can recommend and install sensible upgrades that suit your home.
Security Options
Improved locking systems
Security Options
Stronger fittings where needed
Security Options
Advice tailored to your property
Security Options
Practical upgrades without overcomplicating things
If you’re unsure whether a repair, upgrade or replacement is the right step, we’re always happy to talk things through — with clear advice and no pressure.

Make an enquiry

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Areas Covered

We supply and install windows for homes across Kent and South London, including:
South London: BromleySidcupOrpingtonWelling
If you’re nearby and don’t see your town listed, get in touch — we regularly work throughout the surrounding areas.