GT Glazing's range of internally glazed quality Composite Doors are available in a huge range of colours, styles and glazing options. They provide excellent weather-tightness and ensures the highest level of security and safety.

GT Glazing's range of internally glazed Composite front and rear Doors not only provides excellent weather-tightness but also ensures the highest level of security and safety.

Our range of grey and black and other Composite Doors look and feel like traditional timber doors and are available in a huge range of colours, styles and glazing options. These doors do not require painting or varnishing because they are manufactured from high-density foam and thermoplastic door skins, designed to resist denting, warping or cracking.


Our Composite Doors are engineered from moulds developed from real hardwood (to replicate a real wood grain pattern), the doors provide excellent levels of noise and thermal insulation, and are bonded under high pressure creating a door leaf that is extremely strong. The locking system used offers high security with multi-point hook lock and deadlocks.

Starting from £1200 supplied & fitted inc VAT
GT Glazing are proud to be able to offer customers any style and colour Premium Quality Composite Doors supplied and fitted from our extensive range starting from only £1200 including vat and fitting. View our brochure below to find your dream door.
range of composite doors
Top of range composite doors supplied & fitted
£1600 inc VAT
GT Glazing is proud to be able to offer customers the best premium composite door on the market ROCKDOOR brand.
Any style and colour Premium Quality Composite Doors supplied and fitted from our ROCKDOOR range is only £1600 including vat and fitting. 
Premium composite door wood effect
Explore our latest supplied and installed composite doors in and around Radlett.

GT Glazing, Composite Doors are available as 44mm single or 70mm double rebated doors, ensuring there is an option available to suit all applications.


Advanced manufacturing techniques ensure that all our Composite Doors are extremely robust, durable and long lasting. Door leafs are backed by a 10 year performance guarantee.

Keeping your home safe and secure is of paramount importance, which is why all GT Glazing Doors are designed for enhanced security.


Only the toughest materials are used to form our door leafs, making the doors virtually impact resistant.


All doors feature multi-point locking mechanisms and hardware as standard, and are fitted to ultra-strong Inliten door frames.

GT Glazing Composite Doors are designed for maximum thermal insulation, ensuring energy is retained inside the home.


All doors and glazing units within our collection offer excellent energy efficiency properties; helping you save on home heating bills and reducing carbon emissions.


The GT Glazing Composite Door range is designed for high aesthetic appeal. Doors feature a genuine grain-effect finish, giving the appearance of a traditional timber door whilst delivering the benefits of modern materials.


Personalise your door with a colour of your choice, including contemporary RAL colour options, or a bespoke, handcrafted decorative glass design.

GT Glazing Composite Doors are available as single or double rebate doors.


There is a choice of over 16 different styles from traditional cottage style doors to modern contemporary styles.


Matching sidelight glass is available on the Classic glass range (not available with Deluxe glass range).

Kubu Smart Lock
GT Glazing is now able to offer on all Doors Kubu Smart Lock technology. Linking up to your mobile phone you will be able to check if your doors and lock or unlock from a touch of a button.

LInking up to your wifi you are always in control of your entrance to your home.