Business Details
37 Years
experience
Trusted Double Glazing Solutions in London & East Sussex
Established in 1989, Crestshield Windows is a family-run double glazing specialist serving London and East Sussex. With over 30 years of industry experience, we focus on delivering high-quality windows, doors, and conservatories, combining advanced materials like UPVC, aluminium, and hardwood with precision craftsmanship. Our FENSA registration ensures compliance with the latest building regulations, and our 10-year insurance-backed guarantee reflects our confidence in product durability and installation standards.We prioritise transparency by eliminating commission-based sales teams, allowing competitive pricing without compromising on security, energy efficiency, or aesthetic design. Our showrooms in Penge and Polegate provide tangible examples of our commitment to excellence, serving both residential and commercial clients.
Services
Double Glazed Windows
Composite Doors
Conservatories
UPVC Windows
Aluminium Windows
Details
- Year established: 1989
Highlights and features
- Family-run business with 30+ years of industry expertise since 1989.
- FENSA-registered installations ensuring compliance with UK building regulations.
- 10-year insurance-backed guarantee on all products and workmanship.
- Competitive pricing achieved through direct-to-customer service model.
- Showrooms in Penge and Polegate for tangible product demonstrations.
Associations and certifications
- FENSA
Services
Double Glazed Windows
Double glazed windows enhance thermal insulation and noise reduction. Our A+14 rated units combine UPVC, aluminium, or hardwood frames with advanced glazing to minimise heat loss. Ideal for reducing energy bills and improving comfort in homes near busy areas.
Composite Doors
Composite doors offer superior security and durability. Available in UPVC, aluminium, or wood finishes, they feature multi-point locking systems and weather-resistant construction. Customisable designs ensure seamless integration with any property's aesthetic while maintaining long-term structural integrity.
Conservatories
Conservatories expand living spaces using glass, UPVC, or aluminium frameworks. Designed to match existing architecture, they maximise natural light and provide year-round usability. Our installations prioritise insulation and durability, ensuring compliance with modern energy efficiency standards for extended comfort.
UPVC Windows
UPVC windows provide cost-effective, durable solutions with minimal upkeep. Resistant to rot, corrosion, and UV fading, they retain their appearance for 25-30 years. Available in casement, sliding sash, or bay styles, they enhance property value through improved insulation and noise reduction.
Aluminium Windows
Aluminium windows combine sleek aesthetics with robust performance. Lightweight yet strong, they support slim profiles for maximum glass area. Thermally broken designs prevent heat transfer, while powder-coated finishes offer long-lasting colour retention in a range of contemporary shades.
People
Ben Carter
Director
Ben Carter leads Crestshield Windows with 30+ years of double glazing expertise. As director, he oversees operations from initial consultations to final installations, ensuring adherence to FENSA standards and customer satisfaction across London and East Sussex.
Questions
What areas do you serve?
We cover London and East Sussex, providing double glazing solutions for residential and commercial properties.
Are your installations FENSA-certified?
Yes, all our window and door installations comply with FENSA regulations for building control compliance.
Do you offer a guarantee?
We provide a 10-year insurance-backed guarantee on all products and workmanship.
What materials do you work with?
We supply and install windows and doors in UPVC, aluminium, hardwood, and composite materials.
Can I visit a showroom?
Yes, visit our showrooms at Penge (London) or Polegate (East Sussex) to view product samples.
How do your windows improve energy efficiency?
Our A+14 rated double glazing reduces heat loss and lowers energy bills through advanced thermal insulation.
