The already given postcode NE66 3LH is the farm to the right as you walk down the track.The Doctors House is really The Bathing House. A sat nav will take to the bend in the road and he will see the parking on the farm track close to the footpath taking you to The Bathing House, this was Built for the 2nd Earl Grey and then Prime Minister and his 15 children and is a listed building and is part of the Howick estate.
Map of NE66 3LH postcode