Reliable UPVC Door and Window Repairs for Homes and Commercial Properties
At CPLD Property Services, Andrew provides professional UPVC door and window repair services for homeowners, landlords, tenants, property managers and commercial clients across Stockton-on-Tees and the surrounding areas.
Many common UPVC door and window problems can be repaired without the expense of full replacement. From faulty locking mechanisms and stiff-opening windows to misted glazing units and draughty frames, repairs can often restore security, functionality and energy efficiency whilst extending the lifespan of the existing installation.
With more than 20 years of experience in joinery and the wider construction industry, Andrew takes a practical, whole-property approach to repairs and maintenance. Customers deal directly with Andrew from the initial enquiry through to completion of the work, ensuring clear communication and a personal service throughout.

UPVC Door & Window Repair Services Offered
Faulty Mechanism Replacement
Replace worn or failed internal mechanisms causing handles to turn without operating locks, windows not to open, doors not to lock securely, stiff operation or locks that no longer engage.
Window and Door Adjustments
Correct doors catching on frames, difficulty locking, windows that will not close properly, draught gaps and stiff operation. Correct adjustment can improve security, weather resistance and ease of use.
Misted Double-Glazed Unit Replacement
Replace failed glass units to improve appearance, insulation performance and visibility without replacing the whole window where practical.
Draught Investigation and Repair
Identify and repair failed seals, misaligned frames, worn hinges, poorly adjusted doors and damaged components to improve comfort and weather resistance.
Trickle Vent Installation and Replacement
Install, replace or upgrade trickle vents to improve controlled ventilation and help reduce moisture and condensation.
Window and Door Handle Replacement
Replace worn, damaged or outdated handles to improve security, smooth operation, appearance and functionality.
Why Choose CPLD Property Services?
Many UPVC door and window problems are caused by wear, movement or faulty components rather than the need for complete replacement. With a background in joinery and property maintenance, Andrew focuses on diagnosing issues and identifying cost-effective repair solutions wherever possible.
Customers choose CPLD Property Services for more than 20 years of experience, direct communication, honest advice, repair before replacement where appropriate, reliable service and high standards of workmanship.
Frequently Asked Questions
Do I need to replace my entire window if the glass is misted?
Not necessarily. Often only the failed double-glazed unit needs replacing.
Can a UPVC door that is difficult to lock be repaired?
Yes. Alignment problems, worn hinges and faulty mechanisms can often be adjusted or repaired.
Why are my windows letting in draughts?
Draughts can result from worn seals, failed components, poor alignment or general wear and tear.
Do you replace UPVC door and window handles?
Yes. Damaged, worn or outdated handles can be replaced.
What are trickle vents?
Small ventilation openings that provide controlled airflow while the window remains closed.
Do you install new UPVC windows and doors?
This service focuses on repairing and maintaining existing UPVC doors and windows.