The B283 is a short urban B-road in New Malden, south-west London, although it was originally much longer.
It starts in Coombe at a junction with the A238. Traffic from here can only turn left onto the A238 but the first left turn met when heading south provides access to the eastbound A238; this road is, depending on the map, either unclassified or a spur of the B283.
The B283 continues south along the suburban Coombe Lane inoto New Malden. We go under two adjacent railway bridges by the station before we run along the High Street to terminate at a roundabout with the A2043 and B242.
Originally it continued south along what is now the A2043 through Old Malden to Cheam. It then followed the now-unclassified Burdon Lane, parallel to the A217, as far as Banstead Downs. It crossed the golf course before ending on the A217. This final section has been assimilated into the golf course and is now only a footpath; when this was done the B283 was moved onto The Crescent but all this is now unclassified.