Slimline aluminium windows in modern black, white, grey & more

Our aluminium slimline windows are the definition of when contemporary style meets modern performance; they far exceed the minimum building regulations for security and thermal efficiency, leaving you with a beautifully warm and incredibly secure home. Because of their easy to clean, rust-free aluminium frames, they’re also a highly durable, hassle-free window solution.

Thanks to slimmer frames than other types of window, they feature a larger glass area so more light can seep inside. This leads to homes feeling significantly brighter than before. These stylish aluminium windows can also be customised in a number of ways; from the window size to the colour and furniture, you can adapt our aluminium slimline windows until they’re just right for your home. Take a look at our replacement window buying guide for our expert advice on finding the best new aluminium windows for your home.