Transforming Your Home, One Window at a Time
Who We Are
At Crestshield Windows, we take pride in being a family-run business with a strong reputation for professionalism and quality of workmanship. With over 30 years of experience in the industry, we have built a solid foundation in providing top-notch double glazing solutions to our customers in London and East Sussex. Our team is dedicated to achieving excellence and offering the best value for money, ensuring that all our products meet the highest specifications regarding heat saving, security, design, and longevity.
Our Services
We specialise in installing double glazed windows, doors, and conservatories, covering a wide range of styles and materials, including UPVC, aluminium, and wood. Our extensive range of products includes composite doors, French doors, patio sliding doors, bi-fold doors, and single residential back doors, all available in various colours and finishes. Our window collection features casement windows, flush casement windows, arched windows, and bay windows, each designed to enhance the aesthetics and functionality of your home.
What Sets Us Apart
What sets us apart from other double glazing companies is our commitment to keeping our overheads low, allowing us to offer our customers a competitive price without compromising on the quality of our workmanship and materials. We employ no commission-paid salesmen and avoid gimmicks, ensuring that our customers receive a genuine and honest service. Our showroom in Penge, South East London, showcases our high-quality windows, doors, and conservatories, giving our customers a chance to experience our products firsthand.
Our Accreditations
As a fully FENSA-registered company, we comply with all the latest regulations in the industry, providing our customers with a 10-year insurance-backed guarantee for added peace of mind. Our team is dedicated to ensuring that all our customers receive an exceptional service, from initial consultation to installation and after-sales support.
Quality of Work and Service
The majority of customers have had a positive experience with Crestshield Windows, praising the quality of their work and service. Several customers have commented on the high standard of their new doors and windows, stating that they look great, feel sturdy, and are well-made. The company's team is also praised for being knowledgeable, helpful, and friendly. Many customers have reported that the process of having their windows installed was smooth and efficiently managed, with good communication throughout.
Reliability and Consistency
Several customers have mentioned that Crestshield Windows have been reliable and consistent in their services. They were on time, worked efficiently, and completed the job to a high standard. One customer went as far as to say that the team took the time to make sure everything was perfect before leaving, even returning on the Friday to complete the finishing touches.
Value for Money
Several customers have commented that Crestshield Windows are well-priced, providing high-quality products and services at a competitive rate. One customer even mentioned that they were more trustworthy than other companies they had researched, making them the best value for money.
Negative Experiences
Unfortunately, one customer had a negative experience with Crestshield Windows. They booked an appointment with the company to discuss replacing their windows, but the sales manager Peter called them to say that the company did not cover their area, despite being only 8 miles away. This resulted in a wasted journey and a negative experience.

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