Do you think one of these ( exceptions from the London-wide prohibition) applies to your circumstances:
(3)A person shall not be convicted of an offence under this section with respect to a vehicle if he proves to the satisfaction of the court that the vehicle was parked—
(a)in accordance with permission given by a constable in uniform; or
(b)for the purpose of saving life or extinguishing a fire or meeting any other emergency; or
(c)for the purpose of rendering assistance at the scene of an accident or a bona fide breakdown involving one or more vehicles, and—
(i)such assistance could not have been safely or satisfactorily rendered if the vehicle had not been so parked; and
(ii)the vehicle was not left unattended at any time while it was so parked; or
(d)for the purpose of loading or unloading goods [F6for a period not exceeding 20 minutes or such longer period as the council may permit], and—
(i)the loading or unloading of the vehicle could not have been satisfactorily performed if it had not been so parked; and
(ii)the vehicle was not left unattended at any time while it was so parked?