The research has been carried out by Lloyds Bank ahead of the Chelsea Flower Show which opened to the public today.
Properties in the vicinity of Chelsea can attract a “county premium” of 276%, or £2.2 million more than the London average.
RHS Brockhole Garden, in Windermere, garnered the second highest premium of 161% which is £338,528 more than the Cumbria average.
Third were homes in the vicinity of RHS Bridgewater in Manchester which are on average 144% higher than Lancashire as a whole.