Grosvenor UK phone Metropolitan House 3 Darkes Lane Potters Bar, Hertfordshire EN6 1AG map Regus phone Maple House, High St Potters Bar, Hertfordshire EN6 5BS map if (!IN_DEV) { ?> } ?> Wenta phone The Enterprise Centre, Cranborne Rd Potters Bar, Hertfordshire EN6 3DQ map if (!IN_DEV) { ?> } ?>