Change of tenancy for 4 bed house/group of 3

Looking for change of tenancy for all 4 bedrooms for our house starting early april - mid September, or three people living with one current tenant. potentially room to extend tenancy upon discussion with estate agents.
Looking to swap with four people, or three people who are:
1 couple + 1 individual
1 pair of siblings/cousins + 1 individual

Location - East Acton on a residential road, 6 min walk from the tube station (very convenient)
4 spacious double bedrooms plus one study room, spacious garden and kitchen, two full bathrooms and adequate storage.
Kitchen has dishwasher, washer and dryer separately.
Message for more information.
Price: £3400/month for whole house, or approx £850 per room, bills not included