Being a Harefield boy myself. Yes, that house is still there sits on West End road at the corner of Chalk hill, The Mayoress of Southampton used to live there in the 70's think her name was Mary Ward, though not sure.
Remember Broomfield and Gatehouse cycle shop in commercial road, used to breed and sell budgies in their garden. Broomfields daugher Gillian was my first ever g/f. Also the Sir John Barleycorn best pint of Boiler in town Brickwoods forest brown.