Unlike many window and door suppliers here at Diamond we actually manufacture the products in our large on site manufacturing unit with expert team of designers and fabricators with years and years of experience. Our staff are craftsmen with the expertise to produce your doors and windows to your specification.
All our windows and doors are individually made to fit perfectly


Fitting is carried out by professional with many years experience. All waste is removed from site and ensure your home is left clean and tidy. After sales service is offered to ensure the experience working with Diamond windows is exemplary.


Our Double glazed and Triple Glazed windows are specially designed to provide the perfect solution whether your priority is security sound and or heat control. The windows will offer a safe and warm solution and quieter environment.
The designs colour and style will give your home the finishing touch and be the envy of your neighbours.
The peace of mind of the 10 year guarantee manufactured with the latest energy saving technology and YALE hardware to give you the security and peace of mind.
Energy efficient will save you on heating costs as well as reducing your carbon footprint.
All parts of our windows are British Fenestration Rating Council rated compliant with Building Regulations to show compliance with window replacements to comply and all are windows achieve the required rating. We manufacture A Rated windows energy efficient windows as standard.


Security is our Priority whether it is a upvc panel door or one of our extensive range of composite doors. A design to suit your home with a colour to meet your taste.
Yale security cylinders are incorporated in all our doors as standard to provide anti snap anti bump anti pick protection. The cylinders are kitemarked from Yale branded evidence of only the highest standards utilized in the Diamond manufacturing process to satisfy your requirements.
Sign up for the Yale Guarantee for that extra peace of mind and. Composite doors give you security and peace of mind with the touch of class.


Our products utilise industry leading Yale products as standard providing security which is our ultimate priority.

Quality Assurance

For that extra peace of mind.
We are registered with Certass to provide you with additional peace of mind. An insurance backed guarantee is provided on request as well as certificate to comply with Building Regulations.
We are recommended traders under the WHICH scheme.