Traffic Management Act 2004 (c. 18)
Part 6 — Civil enforcement of traffic contraventions
86 Prohibition of parking at dropped footways etc.
(1) In a special enforcement area a vehicle must not be parked on the carriageway adjacent to a footway, cycle track or verge where—
(a) the footway, cycle track or verge has been lowered to meet the level of the carriageway for the purpose of—
(i) assisting pedestrians crossing the carriageway,
(ii) assisting cyclists entering or leaving the carriageway, or
(iii) assisting vehicles entering or leaving the carriageway across the footway, cycle track or verge; or
(b) the carriageway has, for a purpose within paragraph (a)(i) to (iii), been raised to meet the level of the footway, cycle track or verge.
This is subject to the following exceptions.
(2) The first exception is where the vehicle is parked wholly within a designated
parking place or any other part of the carriageway where parking is specifically
A “designated parking place” means a parking place designated by order under section 6, 9, 32(1)(b) or 45 of the Road Traffic Regulation Act 1984 (c. 27).
(3) The second exception is where the vehicle is parked outside residential premises by or with the consent (but not consent given for reward) of the occupier of the premises.
This exception does not apply in the case of a shared driveway.
(There are a bunch of other exceptions that all relate to emergency services or deliveries.)