Tilt-and-turn vs casement windows: which do you need?

Casement windows are the default in most UK homes — hinged at the side, opening inward or outward with a simple handle mechanism. Tilt-and-turn windows can either tilt inward from the top (for ventilation) or swing fully open from the side (for cleaning and escape).

Tilt-and-turn is more versatile but more expensive — typically 25–40% more per window than an equivalent casement. The tilt position provides secure ventilation without fully opening, which is useful on upper floors or in properties where you want to leave a window open overnight.

The cleaning advantage is real. A tilt-and-turn window lets you clean both sides of the glass from inside the house. For second-floor windows, this eliminates the need for ladders or professional window cleaners just to reach the outside glass.

The downside: tilt-and-turn frames are slightly bulkier than casements because they carry the weight of the sash in both tilt and turn positions. On period properties where slim sightlines are important, a flush casement might be a better visual choice.

In Warrington, we see tilt-and-turn most often on upstairs windows (for safety and cleaning) and casements downstairs (for maximum ventilation in summer). The combination is practical and looks consistent from the outside.