Bespoke French 
Doors for Your Home
Secured by Design Standards
French doors provide a classic double-door entrance that seamlessly connects your interior living spaces with the garden or patio. At Unique Windows, we supply and install market-leading aluminium, composite, and uPVC French door systems engineered for maximum energy efficiency, exceptional weather protection, and effortless operation.
Origin, Solidor & REHAU
10-Year Guarantee
FENSA Accredited
Visit our Carshalton showroom to inspect our premium French door systems, side-light configurations, and lock hardware in person.
Customise every detail of your French doors, from classical Georgian bar grids and dual-colour finishes to flush thresholds and high-security multi-point locking.
Over 150 Powder-Coated RAL Colours, Foiled Finishes & Dual-Colour Options
Choose from architectural shades such as Anthracite Grey, Jet Black, Chartwell Green, or realistic woodgrain foils like Irish Oak and Rosewood. Dual-colour options allow you to match internal décor while preserving exterior aesthetic appeal.
High-Performance Double & Triple Glazed Units with Astragal Bars
Available with decorative leaded glass, Georgian bars, or acoustic toughened glazing units. Featuring low-E softcoat glass, warm edge spacers, and argon gas cavities for superior thermal insulation.
Specification
| Feature | Specification |
| Profile depth | 70 mm |
| Maximum size | 1900 x 2200 mm (white)
1900 x 2200 mm (coloured/foiled) |
| Thermal performance | Exceeds 1.0 W/m2K |
| Max. sash weight | 100 kg |
| Glass width | 4 – 44 mm |
| Further options | Low threshold options for Part M compliance
Decorative glass |
4.8
4.7
4.6
Bespoke Architectural Glazing.
French doors engineered for effortless access and maximum light.
Low Maintenance
Elite Thermal Ratings
Enhanced Security
With over 35 years of industry experience, we provide a bespoke service, exceptional workmanship, and high-performance products.
Expert Guidance
Find clear answers below regarding French door materials, thermal efficiency, security features, and our professional installation processes.
French doors feature two opening leaves that open inwards or outwards, exposing the full width of the aperture without a central mullion obstacle. They maximise natural light intake, provide effortless garden access, and deliver timeless architectural charm.
We supply and install French doors in aluminium (Origin, Cortizo), composite (Solidor), and uPVC (REHAU TOTAL70, Residence Collection, Kommerling). Whether you need a modern slimline aluminium double door, a timber-alternative flush door, or an internal steel-look room divider, we have the ideal system.
Yes. All our French door systems can be configured with fixed glazed side panels (side lights) or top panels (fanlights) to suit wider or taller door openings while maximising sunlight entry into your living space.
Yes. Our French doors feature multi-chambered or thermally broken frames, weather-tight perimeter gaskets, and high-specification double or triple glazing, achieving U-values as low as 1.2 W/m²K to comply fully with Building Regulations.
We operate from our family-run showroom at 2 Westmead Corner, Westmead Road, Carshalton, Surrey, SM5 2NZ. We serve homeowners across South London, Surrey, and areas like Puttenham, Guildford, and Redhill.
Absolutely! All our window and door installations come with a comprehensive 10-year guarantee. We are FENSA-registered, meaning your installation fully complies with current Building Regulations.
