Business Details
27 Years
experience
Your Trusted Home Improvement Partner in Wisbech
Established in 1999, Supreme Windows has built a reputation as a trusted family-run home improvement specialist serving East Anglia. With over 25 years of combined experience in the building trade, our team delivers professional installations of windows, doors, and living spaces while maintaining a no-pressure sales approach. Our commitment to quality is evidenced by FENSA registration, CPA insurance-backed guarantees, and a dedicated in-house workforce ensuring every project meets exacting standards. We prioritise customer satisfaction through free consultations, detailed design visualisations, and a comprehensive showroom experience at our Wisbech location. 
Services
uPVC Windows
Composite Doors
Conservatory Extensions
Aluminium Bi-Folds
Timber Windows
Flat Roof Extensions
Fascia & Guttering
Veranda Systems
Heritage Windows
Glass Lanterns
Details
- Year established: 1999
Highlights and features
- Over 25 years of combined experience in home improvements
- No-pressure sales approach with free written quotations
- FENSA-registered for quality-certified window and door installations
- Fully insured with CPA-backed guarantees on all work
- Dedicated in-house team for consistent quality control
Associations and certifications
- FENSA
- CPA Insurance
What people say
Professional installation
No-pressure sales
Quality products
Excellent service
Energy savings
Services
uPVC Windows
Our Deceuninck uPVC windows combine security and aesthetics with low sightline grey gaskets and shootbolt locking systems. Available in traditional 2800 sculptured or modern 2500 chamfered profiles, these energy-efficient windows help reduce heating costs while maintaining visual appeal. Ideal for both period and contemporary properties across East Anglia.
Composite Doors
Solidor composite doors offer superior security with 10% thicker timber cores than industry standards. Available in extensive colour and style options, these durable entrance solutions combine modern security features with classic aesthetics. Perfect for homeowners seeking both safety and kerb appeal in Wisbech and surrounding areas.
Conservatory Extensions
Custom-designed conservatories with glass or lightweight tiled roofs create versatile living areas. Using advanced 3D design software, we provide accurate visualisations before installation. Our team handles projects from initial concept to completion, including structural modifications and new openings, ensuring seamless integration with existing properties.
Aluminium Bi-Folds
High-specification aluminium bi-fold doors maximise natural light and garden access. Available in custom sizes up to 3m widths, these low-maintenance solutions feature slim sightlines and thermal efficiency. Ideal for modernising residential properties while maintaining security and weather resistance in Norfolk and Cambridgeshire.
Timber Windows
Custom hardwood windows combine traditional aesthetics with modern performance. Fitted with contemporary glass units and security hardware, these bespoke solutions offer complete customisation in timber species, colour, and design. Perfect for heritage properties requiring period-appropriate replacements with enhanced energy efficiency.
People
Gordon Carson
Founder
With decades of building trade experience, Gordon co-founded Supreme Windows after successful ventures in property maintenance and new builds. His expertise in complex construction projects ensures quality standards across all installations.
Jayne Carson
Founder
Co-founder Jayne brings extensive industry knowledge from managing security alarm divisions and construction projects. Her commitment to customer service shapes the company's no-pressure sales approach and professional standards.
Jason Carson
Sales Advisor
Jason handles client consultations, providing free quotations with detailed drawings. As a second-generation team member, he maintains the family business ethos while ensuring modern design solutions meet customer requirements.
Questions
Are your window installations FENSA-registered?
Yes, all our replacement windows and doors meet FENSA regulations with full certification provided for compliance and property value assurance.
Do you offer free home consultations?
We provide free, no-obligation consultations where our team discusses your requirements and provides detailed written quotations with design visualisations.
What areas do you cover?
We serve East Anglia including Kings Lynn, Peterborough, Ely, Thetford, and surrounding areas with showroom access in Wisbech.
Can you handle complex home extensions?
Our in-house team manages complete projects from design to installation, including structural modifications, bespoke orangeries, and new openings without subcontractors.
What guarantees do you offer?
All installations come with CPA insurance-backed guarantees, ensuring quality workmanship and materials covered under our comprehensive protection plan.
