Not specifically but if you google dog friendly accomodation and the area you are interested in there will be lots of info for you. I've done this and it is very useful. Alternatively there is a paperback book available , something like "where to stay with your dog" from WH Smiths with loads in
Really nice right onto the New Forest and we had a room that was down stairs with separate door so could pop the dog out for a late night wee without having to traipse through the rest of the house