If you have ever booked a cleaner and then spotted a surprise extra on the invoice, you are not alone.

If you live in a terraced house near Catford Bridge, you already know the pattern: narrow hallway, compact rooms, a staircase that seems to collect dust for sport, and front-to-back living that makes mess spread faster than you'd like.

If you own a vintage sofa in Rushey Green, you already know it is not just another piece of furniture.