Business Details
28 Years
experience
Trusted Home Improvements in Whitstable
Established in 1998, J Paterson The Window has built a reputation as a trusted provider of high-quality home improvement solutions across Kent. As a Rehau authorised partner and Which Trusted Trader, we specialise in double and triple glazed windows, composite and aluminium doors, conservatories, and hup! modular extensions. Our 25 years of expertise ensures thermally efficient, durable installations backed by a 10-year guarantee, with all projects personally overseen by director John Paterson.We maintain membership in the Independent Warranty Association and hold 14 merit awards for customer satisfaction, reflecting our commitment to impartial advice and pressure-free service. Our in-house team of trained professionals delivers projects across Kent, from Canterbury to Dover, ensuring local knowledge and nationwide standards.
Services
Double Glazed Windows
Composite Doors
Conservatory Conversions
Aluminium Windows
Modular Extensions
Bi Fold Doors
Window Shutters
Roof Lanterns
Details
- Year established: 1998
Highlights and features
- Established in 1998 with 25 years of local expertise
- Which Trusted Trader and FENSA registered
- 10-year guarantees on all installations
- In-house team of trained professionals
- Rehau authorised partner with 14 customer satisfaction awards
Associations and certifications
- FENSA
- Which Trusted Trader
- Independent Warranty Association
What people say
Excellent reputation
Customer service
Quality products
Competitive pricing
Professional team
Services
Double Glazed Windows
Our double glazed windows combine thermal efficiency with security, featuring Rehau profiles and Super Spacer bar technology. Available in uPVC or aluminium, they reduce energy bills while enhancing property aesthetics. Installed by certified professionals with a 20-year sealed unit warranty.
Composite Doors
Durable composite doors offer enhanced security and insulation, available in multiple styles including stable and panoramic designs. Backed by a 10-year guarantee, they are installed by Which Trusted Traders with showroom samples for selection in Whitstable.
Conservatory Conversions
Transform outdated conservatories into year-round living spaces using the hup! modular system. Achieve 5x faster installation with U-Value 0.17 W/mK efficiency, featuring custom layouts and finishes. Includes full project management from design to completion.
Bi Fold Doors
Premium bi fold doors create seamless indoor-outdoor transitions with minimal thresholds. Available in aluminium or uPVC with custom configurations, they are thermally efficient and installed by FENSA-registered professionals across Kent.
Modular Extensions
hup! modular extensions offer rapid, weatherproof construction with superior energy efficiency. Choose roof styles and wall finishes to match your home, with offsite manufacturing reducing garden disruption. Includes architectural design and guaranteed completion timelines.
People
John Paterson
Director
With over 25 years in the industry, John personally oversees all projects, ensuring quality standards are met. His leadership has earned 14 customer satisfaction awards and Which Trusted Trader status for the company.
Questions
Are your installations FENSA registered?
Yes, we are FENSA registered (number 11725) and provide certified documentation for all window and door installations.
Do you offer guarantees on your products?
All installations include a 10-year insurance-backed guarantee, with sealed units covered for 20 years.
Can you replace old conservatories?
We specialise in converting conservatories into energy-efficient extensions using the hup! system, typically completed in 5x less time than traditional methods.
What areas do you cover?
We serve all Kent postcodes, including Canterbury, Ashford, Margate, and Dover, with a Whitstable-based team.
Are your products energy efficient?
Our windows and doors meet current building regulations, featuring U-Values as low as 0.17 W/mK for maximum thermal performance.
Do you have a showroom?
Yes, visit our Whitstable showroom to view full product ranges including composite doors, bi fold options, and hup! extension examples.
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