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At Aperture Group we manufacture and fabricate leading PVC-U systems and the hugely popular WarmCore aluminium system, giving you options to satisfy all domestic and commercial new build and renovation projects.

Our full range includes casement, flush sash, tilt & turn, vertical sliders, top reversible, bow, bay and specialist curved windows using our own state-of-the-art machinery. 

WarmCore Windows


With a wide range of window styles using various material options, our window systems are recognised as market-leaders. Using the latest innovations, Aperture Group will remain at the forefront of fenestration for many years to come with our wide range of Brands.

Case Studies

We are very fortunate to have produced stunning windows for stunning properties. With such a wide-ranging window portfolio, Aperture Group, has the perfect window solution for your requirements. If you would like to feature in one of our case studies, please get in touch:

Case Study - WarmCore Windows, Norfolk

This Norfolk coastal property is a great example of a conservatory transformed by the Stratus fully thermally broken lantern roof system.

Case Study - WarmCore Windows, Trimble

Updating windows and doors can bring a new lease of life into any traditional property.

Case Study - WarmCore Windows, Burrard Park

The energy efficient WarmCore window and door system has become the first choice aluminium system for Warwick-based Heathco Country Homes Ltd, who has built five new four- and five-bedroom homes at Burrard Park in Lighthorne, Warwickshire.