Hertfordshire Lochinver House School Lochinver House School is an independent day school for boys aged 4 to 13. Day Boys Pre-Prep Prep 200 to 400 pupils Contact Details Heath Road, Little Heath, Potters Bar, EN6 1LW www.lochinverhouse.com More pre-prep and prep schools in Hertfordshire Beechwood Park Bishop's Stortford College St Columba's College View more Hertfordshire schools.