City of London
Commute involves a 32 minute train journey from Blackfriars station to Wimbledon and then a 3 minute tube trip to Southfields.
Greater London
The tube to Southfields takes 43 minutes from Embankment.
Commute involves a 41 minute train journey from London St Pancras station to Wimbledon and then a 3 minute tube trip to Southfields.
The tube to Southfields takes 41 minutes from Westminster.