Vaccination Van Site Research in Northamptonshire

I need to find sites to park vaccination Van in areas of low take up and lack of walkable provision,- Requirements; The parking spaces must be on a hard standby, level ground, footfall and visible from the road. Particularly interested in areas that may attract 20-45 age group and in one or more of the subgroups ( European, African, Caribbean, Builders, hairdressers, churches, community centres, trade stores) Can we produce a list of potential sites with a 3 words to ref it, the unitary it belongs too, council contact for the car park or company name of the business if its a private site?