Holy Trinity Sloane Square, London

This is John Dando Sedding's beautiful Arts & Crafts style church built in 1888.

It was paid for by George Cadogan who was an MP and the 5th Earl Cadogan. He was also the first Mayor of Chelsea.

It's huge and is wider than St Pauls. The trendy designers of the day were employed to design the interior and fittings, including Henry Hugh Armstead, Onslow Ford and Hamo Thornycroft.

The church organ is one of the biggest in London. It's a 'Walker Four Manual' (which is famous for those in the organ world). It has 72 speaking stops and 4,200 pipes. You should hear it.