http://www.penaltychargenotice.co.uk/par...n-code-27/
The legislation which allows local authorities to issue Penalty Charge Notices to vehicles parked across kerbs is the Traffic Management Act 2004 and the London Local Authorities and Transport Act 2003. Parking across certain dropped kerbs is also contrary to Highway Code rule 243 which states:
DO NOT stop or park:
• where the kerb has been lowered to help wheelchair users and powered mobility vehicles;
• in front of an entrance to a property.
http://www.newcastle.gov.uk/core.nsf/a/p...oppedkerbs
Operational guidance issued by the Department for Transport (DfT) suggests that authorities should not take enforcement action where a vehicle is parked outside residential premises unless the occupier has asked the enforcement authority to do so. Newcastle Parking Services will issue a Penalty Charge Notice (PCN) at the request of the resident where a vehicle is parked at a dropped kerb and is blocking access to the driveway of the premises.
I would hope that Lewisham have a similar policy. If the council are unwilling to take action I suggest that you and a neighbour park so close to prevent the offending car from moving, and make it clear that this will happen every time they park illegally across your driveway.
But you should also consider this in the grand scheme of things; 50 metres is not that far from your house on the odd occasion, and many of my neighbours would love to be able to park that close to their house.