uPVC Windows
Affordable. Efficient. Built for everyday comfort.
At No1 London, we design, supply, and install bespoke uPVC windows that combine value, performance, and style.
Our high-quality uPVC systems offer excellent thermal efficiency, noise insulation, and low maintenance, making them a practical and long-lasting choice for both traditional and contemporary homes.
Each window is made to measure, precision-engineered, and professionally fitted — ensuring a perfect seal, smooth operation, and a flawless finish.
info@no1london.co.uk | 0207 8889 09 09
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Why Choose uPVC Windows
- Energy-efficient design – double or triple glazing for superior insulation.
- Low maintenance – no repainting or refinishing required.
- Weather-resistant – won’t warp, rot, or corrode.
- Cost-effective – durable, high-performance windows at great value.
- Secure & reliable – multi-point locking for maximum safety.
- Custom colours & finishes – from classic white to realistic woodgrains.
Window Styles
Casement Windows
Classic design with side or top openings for excellent airflow and ease of use.
Tilt & Turn Windows
Practical inward-opening design — ideal for easy cleaning and flexible ventilation.
Sash & Heritage Styles
Traditional sliding sash and mock-sash systems that replicate period looks while improving insulation and security.
Bay & Bow Windows
Elegant multi-panel window systems that expand natural light and create a sense of space.
Technical Features
- Frame Depth: 70 mm multi-chamber profiles
- Glazing: Double or triple up to 40 mm thick
- Thermal Rating: Up to A+ energy efficiency
- U-Value: As low as 1.2 W/m²K
- Security: PAS 24 and Secured by Design certified systems
- Acoustic Performance: Reduces external noise up to 42 dB
Finishes & Colours
- Classic White / Anthracite Grey / Black
- Woodgrain Effects: Golden Oak, Rosewood, Irish Oak
- Dual Colour Options: Different interior and exterior tones
- Finishes: Matte, satin, or textured
- Hardware: Chrome, black, stainless steel, or brass handles
Applications
- Residential refurbishments and replacements
- New-build housing and flats
- Extensions, conservatories, and garden rooms
- Commercial projects requiring cost-efficient performance
Our Process
Consultation & Survey
– we assess your needs and take exact measurements.
Quotation & Design Approval
– choose frame colours, glass type, and hardware.
Manufacturing
– custom-built uPVC frames using premium systems.
Installation
– clean, professional fitting with minimal disruption.
Aftercare
– warranty coverage and advice for long-term maintenance.
Benefits
- Enhances thermal and acoustic comfort
- Reduces energy bills
- Provides long-term weather resistance
- Low maintenance and easy to clean
- Excellent value for money
Service Areas
We supply and install uPVC windows across Fulham, Chelsea, Kensington, Hammersmith, Putney, Wimbledon, Chiswick, Westminster, the City, and Surrey, trusted for reliability, quality, and affordability.
Smart. Stylish. Built to Last.
Choose No1 London uPVC Windows for a perfect balance of comfort, security, and energy efficiency — designed and installed with precision.
Get Free Estimate today and see why we’re the No1 Stop for all your home needs.
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