Composite Door Accreditations

Choose from hundred of styles, colours and finishes of our modern secure composite doors.

Composite Doors

Secure, strong and maintenace free


Composite Doors

Made from glass-reinforced polyurethane and coated with fibreglass


Composite Doors

People choose SheffLOCK to measure and fit their new exterior doors because it comes with piece of mind that you have the best quality and best fitting door possible.

SheffLOCK have decades of building and security experience and know exactly what is needed to keep you safe and secure in your home whilst looking modern and attractive for years to come.

Composite doors are made from a variety of strong materials, resulting in a door that is highly secure, thermally efficient, weather-resistant and durable. Our modern composite doors are constructed using glass-reinforced polyurethane and are coated with reinforced fibreglass for increased insulation and weather resistance. Our range includes a variety of different styles, to help you find the ideal door for your home.

Composite Doors

Whether you’re looking for a right-hand composite door or a left-hand composite door, you’re sure to find what you need in our range. If you’re looking for a contemporary composite front door, choose a minimal glass design with glazed panels available in multiple layouts. A door with glass sections is a great choice if you’d like to let in more natural light, brightening up your hallway or entrance space. Both practical and aesthetically pleasing, find stylish front doors with four panels, glazed arches and pattern glass.

Composite Doors

We have plenty of composite door colours to choose from. Our oak composite doors have a classic wooden look, combining a traditional colour with a modern door style. Alternatively, opting for a grey, white or black composite door is an effective way to create a more contemporary aesthetic.

Composite Doors

If your home is a constant hub of activity, our composite doors are more than equipped to handle any day-to-day comings and goings, so you won’t have to worry about warping, shrinking, denting or rusting. Plus, they arrive ready to install in a pre-hung frame, with a handle, lock, letter plate and adjustable hinges.

Composite doors
Preferred choice

Composite doors are the preferred choice of double glazed external doors for many homeowners and tradesmen due to the many advantages that composite doors have over the alternative wooden doors, steel doors, upvc doors and most other external doors available. Composite doors are more durable and stronger making the doors more secure. They have greater thermal efficiency, are weather resitant and low maintenance expanding the life of your composite door.

Composite doors
Made to measure 

Our made to measure composite doors are manufactured to the highest standard with a certified thermal performance and Police approved security. Our GRP composite doors and timber solid core composite doors are maintenace free leaving you with more time to enjoy your new exterior door.

The composite door features a GRP compression moulded door skin and a timber woodgrain effect with a Polyurethane thermally insulated core achieving an authentic timber door look, furthermore a unique and patented reglazable cassette system.

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Contact Us

45 Doveholes Drive
Sheffield S13 9DR
P: 0114 442 6200



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About Us

We have decades of experince fitting doors and securing homes across Sheffield, Doncaster, Rotherham & Barnsley in South Yorkshire

We use only the most secure and reliable composite doors with our unique ability to have your door measured and fitted in a few short weeks.