Location, they say, is everything – and there could hardly be a better one than Hannah Downey’s property. Set right in the heart of the Georgian city of Bath, with views across a cobbled square bathed in dappled sunlight filtered through the leaves of ancient plane trees, and within a stone’s throw of the Roman baths, its position is second to none. With dozens of shops, several parks and art galleries, a world-class theatre and two cinemas within easy strolling distance, it is difficult to imagine anywhere more perfect. “Bath is such a compact city, you don’t need a car to get around,” says Hannah, who is the third generation of her family to live in the city. “Although it has changed enormously over the years, there is still so…