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Your Nationwide uPVC Building Plastics Supplier
Fascia's, Guttering, Windows & More
Design Your Composite Door
Built to Last. Styled by You.

Create a custom-made door in minutes
with our easy-to-use door designer.
Secure, stylish and thermally efficient – built for British homes with over 1,000 combinations.
Voted the UK's No.1 Composite Door Manufacturer for the last 4 years by installers




Composite Door Manufacturer
Of the Year
Composite Door Manufacturer
Of the Year
Fabricator/Manufacturer
Of The Year
Composite Door Manufacturer
Of the Year





Why Choose a Hallmark Composite Door?
Properly built. Police approved.
Hallmark composite doors don’t just look good — they’re built for real life. Reinforced frames, GRP skins, and Ultion’s Double Lockdown Mode™ give you peace of mind — with a £2,000 break-in guarantee when activated.
They’re also backed by anti-bowing technology (3mm tolerance frame reinforcement) and a 10-year manufacturer guarantee.
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Which Style Suits Your Home?
Choose a Colour That Complements Your Home
Hallmark’s Traditional doors are available in a timeless range of colours and woodgrains — from subtle neutrals to bold heritage shades.
✔ Classic colours that never go out of style
✔ Colour-matched frames and hardware options
✔ Durable, UV-stable finishes designed for British weather


Glass Designs & Decorative Glazing Options
We offer a wide variety of glass designs to suit every door style — from traditional bevelled glass to bold modern designs.
Whether you're after privacy, character, or a splash of colour, there's something here for you.
Here are just a few of our favourites — to view the full range, click through to our online door designer.





Hardware & Furniture Options
Make your entrance stand out with stylish, secure finishing touches.
From sleek handles to heritage knockers, our hardware options help complete your perfect composite door.

Handle Styles
Choose from traditional and modern options to match your door:
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Sweet Handles – sleek, smart lock–compatible
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Kensington & Pioneer – classic lever & pad styles
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Kettlewell Heritage – period charm
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Monkey Tail & Noble – ideal for traditional doors
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Finishes: Gold, Chrome, Black, Pewter, Graphite, Stainless
Threshold Options
Multiple threshold types for accessibility or style:
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Low mobility options
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Stormguard or Part M compliant
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Colour-matched to frame
Letterplates
Match your handle with a stylish, secure letterplate:
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Sweet Square – modern & corrosion-resistant
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Affinity & TS008 Security – safe & sleek
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Kettlewell & Architectural – timeless options
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Optional internal flaps available
Frame & Side Panels
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Complete the look with made-to-measure panels:
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Decorative or plain side panels
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Triple-glazed, frosted, or patterned options
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Perfect match to door colour and glazing
Bar Handles & Hinges
For bold, premium styling:
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Inline, Flat, Offset, Vee & Bow designs
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Up to 1600mm in length
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Brushed or polished finishes
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Hinges: SFS Adjustable or Haven Security
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Six colour options to match hardware
Knockers & Viewers
Add charm and function with:
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Classic urn, slimline or contemporary knockers
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Integrated or separate viewers
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Available in matching finishes
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Explore Our Range Of Overdoor Canopies
Frequently asked questions
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