Hertfordshire
Commute involves a 55 minute train journey from Potters Bar station to Charing Cross and then a 27 minute tube trip to Harlesden.
Commute involves a 59 minute train journey from St Albans City station to Charing Cross and then a 27 minute tube trip to Harlesden.
Oxfordshire
Commute involves a 54 minute train journey from Oxford station to Paddington and then a 16 minute tube trip to Harlesden.