How do I leave a gift to Mountbatten Hampshire? To leave a gift to Mountbatten Hampshire in your Will you'll need to include our name, address and registered charity number. Name: Countess Mountbatten Hospice Address: Botley Road, West End, Southampton, SO30 3JB Registered charity number: 1123304 Any gifts left to other charities will not support the work of Mountbatten Hampshire or directly benefit people across Southampton and Hampshire accessing our end of life care services.