Modern uPVC Tilt and Turn windows in Cardiff, Wales. Tilt & turn uPVC windows are known as such for their unique opening mechanism; tilt them inwards and ventilate your home in total safety, or fully open internally and clean them in the comfort of your own home. Regardless of whether you opt for a chamfered or decorative profile, the kerbside appeal of your home will improve dramatically. Constructed from uPVC of the highest quality and industry-leading double glazing, they’ll give your home’s energy efficiency a serious performance boost and will last for years to come.