Crittall – Style Windows
Industrial charm. Modern engineering. Timeless appeal.
At No1 London, we specialise in Crittall-style windows — combining the iconic elegance of classic steel glazing with the benefits of modern materials and performance.
These windows are designed to create slim sightlines, maximum light, and a distinct architectural character, making them ideal for both traditional renovations and contemporary interiors.Available in steel or aluminium frames, our Crittall-style windows replicate the signature grid design while offering superior insulation, security, and weather resistance.
info@no1london.co.uk | 0207 8889 09 09
Get Free Estimate
Why Choose Crittall-Style Windows
- Slim, elegant profiles – maximise light and create striking visual lines.
- Industrial-inspired design – perfect for modern and period homes alike.
- Thermally broken frames – excellent insulation and energy efficiency.
- Versatile applications – suitable for exterior and interior partitions.
- Customisable finishes – available in any RAL colour, matte or gloss.
- Precision manufacturing – made to measure and expertly installed.
Frame Options
Steel Crittall Windows
Authentic, hand-welded steel frames with ultra-slim profiles and exceptional strength. Perfect for heritage projects, listed properties, and architectural restorations.
Aluminium Crittall-Style Windows
Lightweight, corrosion-resistant, and thermally efficient — ideal for contemporary extensions and loft conversions while maintaining the Crittall aesthetic.
Design Styles
- Fixed and Casement Windows – slim vertical and horizontal divisions for classic looks.
- French & Bi-Fold Systems – combine interior and exterior flow with uniform styling.
- Internal Glass Partitions – perfect for offices, studios, and open-plan homes.
- Feature Windows & Screens – create modern focal points with grid glazing.
Technical Features
- Frame Depth: 40–70 mm
- Glazing Options: Single, double, or triple glazing
- Thermal Break: Included on aluminium systems for improved performance
- U-Value: From 1.3 W/m²K
- Security: Multi-point locking and toughened glass as standard
- Finish: Polyester powder-coated to any RAL colour
Applications
- Period property restorations
- Modern extensions and loft conversions
- Internal room dividers and glass walls
- Commercial and studio spaces
- Boutique retail or hospitality interiors
Finishes & Colours
- Matte Black – the timeless Crittall aesthetic
- Anthracite Grey / Bronze / Graphite – for a softer, modern tone
- Dual Colours – custom interior and exterior combinations
- Glazing Options: Clear, frosted, reeded, or patterned for privacy and style
Our Process
Consultation & Design
– we define your layout, frame material, and finish.
Survey & Quotation
– detailed measurement and technical review.
Fabrication
– precision manufacturing to your exact dimensions.
Installation
– seamless fitting with structural integrity and finishing.
Aftercare
– maintenance guidance and long-term product support.
Benefits
- Timeless, minimalist aesthetic
- Enhances natural light and spatial flow
- Robust and secure with modern performance
- Versatile across residential and commercial interiors
- Adds architectural value and sophistication
Service Areas
We supply and install Crittall-style windows and partitions across Fulham, Chelsea, Kensington, Hammersmith, Putney, Wimbledon, Chiswick, Westminster, the City, and Surrey, working closely with homeowners, architects, and developers.
Classic Design. Modern Craftsmanship.
Bring industrial-inspired beauty and architectural precision into your home with No1 London’s Crittall-style windows — crafted for strength, light, and style.
Get Free Estimate today and see why we’re the No1 Stop for all your home needs.
Ready to Transform Your Home?
