Upgrade your property with our premium range of grey sliding doors. We supply high-performance external sliding patio doors directly to homeowners, developers, and trade buyers. Designed for maximum thermal efficiency, smooth operation, and weather resistance, our grey sliding door systems deliver effortless style and site-ready performance.
Climadoor UPVC Sliding Patio Doors - Anthracite Grey
UPVC | Anthracite Grey | Climadoor
1490mm - 4490mm / 59" - 177"
From £1,099.00 - £2,549.00 inc VAT
Climadoor Part Q UPVC Sliding Patio Doors - Anthracite Grey
UPVC | Anthracite Grey | Climadoor
1490mm - 4490mm / 59" - 177"
From £1,189.00 - £2,519.00 inc VAT
Climadoor Grey Heritage Style Aluminium French Doors
Thermally Broken Aluminium | Anthracite Grey | Climadoor
1190mm - 2990mm / 47" - 118"
From £1,399.00 - £2,599.00 inc VAT
Climadoor Grey Aluminium French Doors - Part Q Compliant
Thermally Broken Aluminium | Anthracite Grey | Climadoor
1190mm - 2990mm / 47" - 118"
From £1,299.00 - £2,199.00 inc VAT
Climadoor Grey Aluminium French Doors
Thermally Broken Aluminium | Anthracite Grey | Climadoor
1190mm - 2990mm / 47" - 118"
From £1,199.00 - £1,999.00 inc VAT
CLIMADOOR Supreme Grey Aluminium Sliding Doors
Thermally Broken Aluminium | Anthracite Grey | Climadoor
1490mm - 2990mm / 59" - 118"
From £1,949.00 - £2,899.00 inc VAT
CLIMADOOR Supreme Grey Aluminium Sliding Doors - Part Q Compliant
Thermally Broken Aluminium | Anthracite Grey | Climadoor
1490mm - 2990mm / 59" - 118"
From £2,049.00 - £2,949.00 inc VAT
Climadoor Grey Aluminium Bifold Doors - Part Q Compliant
Thermally Broken Aluminium | Anthracite Grey | Climadoor
1790mm - 4790mm / 70" - 189"
From £2,099.00 - £4,499.00 inc VAT
Climadoor Grey Aluminium Bi-folding Patio Doors
Thermally Broken Aluminium | Anthracite Grey | Climadoor
1790mm - 4790mm / 70" - 189"
From £1,899.00 - £3,899.00 inc VAT
Climadoor UPVC Bifold Doors - Grey Part Q Compliant
UPVC | Anthracite Grey | Climadoor
1790mm - 3590mm / 70" - 141"
From £2,541.00 - £5,199.00 inc VAT
Climadoor UPVC Bifold Doors - Grey High Security
UPVC | Anthracite Grey | Climadoor
1790mm - 3590mm / 70" - 141"
From £2,139.00 - £3,699.00 inc VAT
Climadoor UPVC Bifold Doors - Grey / White Part Q Compliant
UPVC | Anthracite Grey/White | Climadoor
1790mm - 3590mm / 70" - 141"
From £2,397.00 - £4,314.00 inc VAT
Climadoor UPVC Bifold Doors - Grey / White High Security
UPVC | Anthracite Grey/White | Climadoor
1790mm - 3590mm / 70" - 141"
From £1,979.00 - £3,359.00 inc VAT
Climadoor UPVC French Doors - Grey Out / White In Part Q Compliant
UPVC | Anthracite Grey/White | Climadoor
1190mm - 2990mm / 47" - 118"
From £1,039.00 - £1,699.00 inc VAT
Climadoor UPVC French Doors - Grey Out / White In
UPVC | Anthracite Grey/White | Climadoor
1190mm - 2990mm / 47" - 118"
From £829.00 - £1,539.00 inc VAT
Climadoor UPVC French Doors - Anthracite Grey Part Q Compliant
UPVC | Anthracite Grey | Climadoor
1190mm - 2990mm / 47" - 118"
From £1,169.00 - £1,909.00 inc VAT
Climadoor UPVC French Doors - Anthracite Grey
UPVC | Anthracite Grey | Climadoor
1190mm - 2990mm / 47" - 118"
From £899.00 - £1,679.00 inc VAT
Selecting the right external sliding door system depends on your project budget, frame profile preferences, and opening dimensions.
Evaluate core technical specifications to select external patio doors built for durability and regulatory compliance.
Low U-values measure heat loss through the frame and glass. Choosing double glazing with excellent thermal performance helps lower heating costs, maintain interior room temperatures, and meet current UK Building Regulations.
Prioritise systems built with multipoint locking mechanisms as standard. Look for doors tested to PAS24 standards or equipped with anti-snap cylinder locks to prevent forced entry.
Heavy-duty stainless steel rollers ensure smooth, quiet operation over long periods. Flush thresholds provide easy level access between indoors and outdoors, while quality powder-coated finishes reduce routine maintenance to basic cleaning.
The choice of glass impacts structural safety, acoustics, and thermal insulation.
Order high-performance grey sliding doors built for effortless operation, security, and weather resistance. Check available sizes and order online today for direct nationwide delivery to your site.
Frequently Asked Questions
Yes. Powder-coated aluminium and high-grade uPVC grey sliding doors resist fading, scratching, and weather damage. They maintain their colour and finish without peeling, rusting, or requiring repainting.
Glazing choices directly affect heat retention and energy costs. Selecting double glazing with Low-E glass lowers door U-values, preventing heat from escaping and reducing heating bills during winter.
Yes. Made-to-measure grey sliding doors are available to match custom opening dimensions. Typical lead times vary based on frame material and glass specifications.
Our external doors come backed by the Climadoor 10-year guarantee. We offer direct nationwide delivery straight to your site or property. Doors are supplied ready for installation by your chosen joiner or builder.
Proud stockists of....
Bring industrial-inspired design into your home with our collection of heritage steel-look doors. Available in bifold, French and internal door options, these on-trend designs offer the distinctive appearance of traditional steel doors with the practicality of modern materials. Browse our range today and transform your living space with striking heritage style doors.
Trusted stockist of Climadoor; the Folding Doors brand.
© Express Doors Direct 2026. All rights reserved.
Company number 11557039.
Rated 4.3 out of 5 by our customers from 1932 reviews.