Open a magazine feature on any recently renovated UK living room and there's a decent chance the fireplace behind the sofa has a glass front rather than an open grate. It's become the default look for a reason — a sheet of glass across the front of a fire does more than just look sleek, it changes how the fire actually performs, where it can be installed, and how efficiently it runs. ... https://www.banyo.co.uk/article/inset-gas-fires-with-glass-fronts-efficiency-brands-and-buying-advice.html