Au pair plus for a family living in Northwood, Middlesex. Start August

We are looking for a long term au pair to help a family living in Northwood, on the outskirts of London. 3 children ages 14, 12 and 10 years old, They need a confident driver. The family enjoy being outside and cycling amongst other activities. Both parents work full time and occasionally from home. They are looking for the au pair to help them for 30-35 hours per week. Start August and to stay for as long as possible ideally 12 months. (REF#56)