Totteridge & Whetstone is a place in the London Borough of Barnet, bearing the postcode N20. It is to the east of Totteridge, and these areas are often lumped together as Totteridge & Whetstone. This combined area is the 63rd richest area in the UK – an acclamation which can be credited to Totteridge Lane, a long road home to many multi-millionaires. The High Road, the main road in the area, is the A1000 and part of the traditional Great North Road from London to Edinburgh.