District Council boundaries

There must have been an update a few months ago which changed district boundaries to be parish boundaries. For example Malvern Hills District in Worcestershire is now split into loads of small parishes, such as Shelsley Beauchamp. The problem is that many of these have less than ten streets. In Shelsley Beauchamp’s case, it has just three. Is there any way of grouping them together again?
I am particularly interested in trying to get a whole of Worcestershire map, but will settle for the districts that used to be shown previously before the update. Many thanks for your help.