With a swim spa making a splash at Chelsea, back garden bathing is now the ultimate water feature.

The garden designer Kate Gould certainly made waves at the Chelsea Flower Show this year when she put a Jacuzzi swim spa in her Out of the Shadows sanctuary garden. Some whiskery traditionalists huffed, not least because this was the first time they had seen a swim spa in a garden at Chelsea. And, well, lounging about in water in your own back garden? It’s thought of as simply not British, whether there’s a heatwave coming or not.