Trusted Window and Door Specialists in London & Surrounding Areas
Professional Window and Door Services London
Tailored Solutions. Trusted Craftsmanship. Local Experts.
At GC Doors, we provide expert window and door installation and repair services for both homes and businesses across London.Whether you’re upgrading your home, replacing a faulty lock, or managing a busy commercial space, we deliver high-quality solutions tailored to your needs.
For residential customers, we offer bespoke installations and efficient repairs — from energy-efficient windows and composite front doors to bi-folds, French doors and more. Every fitting is completed with precision, care and attention to detail.
Our commercial services are just as robust. We install and repair everything from shopfront glass and aluminium framing systems to secure internal and external office doors. Whether you run a high-street store, an office, or manage multiple properties, our team ensures minimal disruption, maximum performance and long-lasting results.
We pride ourselves on exceptional craftsmanship, responsive service, and honest advice — and we treat every project, big or small, with the same level of care.
We’ve completed over 1,000 window and door repairs across London and surrounding areas, providing fast, efficient, and reliable service to homes, offices, and commercial spaces.
With a recall rate of under 2%, we pride ourselves on meticulous attention to detail, skilled engineers, and consistent quality control across every job we complete.
We proudly maintain an average customer review score of 4.9 stars across multiple platforms, reflecting our commitment to quality, reliability, and customer satisfaction.
Professional Window and Door Services London
A Collaborative Approach That Delivers
Working With Clients
We take the time to listen, understand and advise. Whether it’s a new installation, a repair, or ongoing maintenance, we provide expert guidance and customised solutions that fit your goals and timelines.
Our experienced team works efficiently, with minimal disruption and a clear focus on quality, safety, and compliance. You’ll be kept informed at every stage, with full transparency and confidence in the work we deliver.
Accreditations
Doing Things the Right Way — Every Time
Fair. Safe. Compliant. Trusted.
Built on principles. Backed by accreditation.
We believe that how we work matters just as much as what we deliver. From fair pay and inclusive hiring to on-site safety and technical excellence, our approach is rooted in integrity, care, and professionalism.
We’re proud to be a Living Wage Employer, a Disability Confident Committed organisation, SSIP Health & Safety Approved, and a FENSA Approved Installer. These accreditations reflect our values in action — ensuring that every project is carried out safely, ethically, and to the highest standard.
They’re not just badges — they’re a promise. To our clients, they offer peace of mind. To our team, they represent a workplace built on trust, respect, and opportunity.




Professional Window and Door Services London
Schedule an Inspection
Before starting any job involving the installation, repair, or upgrade of windows and doors, we perform a thorough initial inspection visit. This preliminary step is fundamental to ensuring that each project is executed smoothly and efficiently.
An initial inspection visit provides a critical foundation, allowing us to gather essential information, identify potential issues, and develop a comprehensive plan tailored to your specific needs. Inspection Visits are more than just a formality; they are key to ensuring a well-planned and tailored approach.
Professional Window and Door Services London
Partner with Us
At GC Doors, we are committed to providing expert solutions that support you with the management of your properties, ensuring they remain secure, functional, and compliant at all times. We work closely with commercial clients, housing associations, and property managers, offering high-quality door and window installation, maintenance, and repair services tailored to the unique demands of your buildings.
With years of experience in the industry, we understand the importance of durability, safety, and efficiency in property management. Whether you need large-scale door and window installations for new developments, routine maintenance to extend the lifespan of your assets, or urgent repairs to restore security and accessibility, we offer dependable, cost-effective solutions to meet your needs.
By partnering with GC Doors, you gain a trusted service provider dedicated to keeping your properties in top condition.
Get in touch today to discuss how we can support you in managing your buildings with efficiency and peace of mind.
Reviews
Leading experts in window and door installation and repairs in London and surrounding areas — but don’t just take our word for it. Read our reviews from satisfied customers who trust us for their window and door installations and repairs. We are committed to providing quality service and ensuring your home or business is secure, functional, and aesthetically enhanced.