If you live, manage, or help coordinate cleaning on a Clapham Park estate, you already know the basics: communal areas get used hard, people notice the smallest slip, and one missed corner can make the whole place feel untidy.

Moving out is stressful enough without standing in an empty flat at 9pm, staring at skirting boards, limescale and a oven that somehow looks older than it should.

If you live or work around Clapham Common, you already know how quickly a place can start to feel tired.