South West London Sussex House Sussex House is an independent day school for boys aged 8 to 13. Day Boys Prep 100 to 200 pupils Contact Details 68 Cadogan Square, London, SW1X 0EA www.sussexhouseschool.co.uk More pre-prep and prep schools in South West London Kew Green Preparatory School Lady Eleanor Holles School Staines Preparatory School View more South West London schools.