This vehicle was dubbed the Morden Routemaster, following a design compertition promoted by London Mayor Boris Johnson, a contract to produce a new bespoke double deck bus for London was awarded to Wrightbus. The futurist vehicle which has three passenger entrances and twin staircases has been nicknamed the Borismaster. A compertition is to be run in the capital to find an official name for the vehicle.

Following production of a full size mock up of the vehicle in late 2010, a partly completed engineering prototype was produced in mid 2011 and subjected to battery of tests at the Millbrook proving ground in Bedfordshire. This vehicle will be completed and in due course will join five pre-production vehicles on route trials in 2012. All six vehicles will be operated by Arriva London on a yet to be announced central London route.

Corgi announced this model in July 2011 as part of it's October 2011 to March 2012 Catalogue.