Business Details
Trusted Window & Door Repair Service in Darlington
Castle Lock and Hinge is an established local company serving South Durham and Teesdale, specialising in uPVC window and door repairs. With over 35 years of combined experience in the double glazing industry, we provide rapid repair services for uPVC and composite doors, security upgrades, and repairs to uPVC windows. Our expertise extends to matching hardware specifications regardless of the original installer, ensuring seamless replacements for locks, hinges, and seals. We offer a free, no-obligation survey within our working area and guarantee competitive pricing without call-out fees. Our team prioritises customer satisfaction, treating every client with courtesy, reliability, and responsiveness. We stock parts for all major window manufacturers and have researched local installers, whether still operational or defunct, to ensure compatibility.Our service includes replacing misted double glazing units at a fraction of the cost of full window replacement. We cater to both residential and commercial clients, including landlords and estate agents, providing tailored solutions for refurbishment and repair. Our commitment to quality is reflected in our use of premium products and our confidence in resolving even the most challenging hardware issues. Customer testimonials highlight our professionalism, efficiency, and value for money, with many clients returning for repeat services and recommending us to others.
Services
uPVC Window Repairs
Door Lock Replacements
Misted Double Glazing
Hinge Replacements
Seal Repairs
Highlights and features
- We offer over 35 years of experience in uPVC window and door repairs.
- Our team provides free, no-obligation surveys within our service area.
- We guarantee competitive pricing with no hidden call-out fees.
- We match hardware specifications for all major manufacturers and local installers.
- Our service includes rapid replacement of misted double glazing units.
What people say
Extremely quick, well priced service
Professional and efficient
Friendly and helpful
Excellent service
Highly recommend
Services
uPVC Window Repairs
We repair uPVC window hinges, locks, and seals, ensuring smooth operation and energy efficiency. Our team matches hardware specifications for all major brands and local installers. Repairs are completed swiftly, often within a day, using premium components to restore functionality and security.
Door Lock Replacements
We replace and upgrade uPVC door locks, including multi-point systems and high-security cylinders. Our service includes emergency lock repairs to prevent security risks. We ensure compatibility with existing hardware and provide durable solutions to enhance home safety.
Misted Double Glazing
We replace misted double glazing units caused by failed seals, restoring clarity and insulation. The process avoids full window replacement, offering cost savings. Units are fitted cleanly and efficiently, typically within two weeks of ordering.
Hinge Replacements
We replace worn or broken hinges on uPVC windows and doors, ensuring smooth operation and security. High-specification hinges are used for durability, with pairs replaced to maintain balance and prevent future issues.
Seal Repairs
We replace degraded rubber seals around windows and doors to prevent drafts and water ingress. Common seals are stocked for immediate repairs, while specialist options are ordered as needed to restore energy efficiency.
Questions
What services do you offer for uPVC windows and doors?
We repair uPVC window and door hinges, locks, seals, and misted double glazing units. We also replace hardware and provide security upgrades.
Do you serve areas outside Darlington?
Yes, we cover Barnard Castle, Newton Aycliffe, Bishop Auckland, Richmond, Teesdale, and surrounding regions in South Durham.
Can you repair older or discontinued window and door models?
Yes, we stock parts for major manufacturers and can source hardware for local installers, even if they are no longer trading.
How much do your services cost?
We provide free, no-obligation quotes. Prices vary by repair type, but we guarantee competitive rates with no hidden fees.
Do you offer emergency repair services?
We prioritise urgent cases and aim to resolve critical issues like broken locks promptly, though we do not operate 24/7.
