This building is a difficult one to classify. this is what I've found in terms of operators at the site and therefore perhaps best to classify it as amenity=social_facility:
1. Kent County Council
Role: Lead operator of the Swale MASH
Services:
Disabled Children’s Social Services (DCSS)
Specialist Teaching and Learning Services
Portage (early years SEND support)
Swale Special Needs Nursery
2. Kent Community Health NHS Foundation Trust (KCHFT)
Services:
Children’s Hearing Services (audiology)
Community paediatrics
Therapy services (speech & language, occupational therapy, dietetics)
3. Medway NHS Foundation Trust
Role: Registered provider of community healthcare services at the site
Services: Likely includes paediatric and therapy support (exact scope not fully detailed)
4. For Us Too (Charity)
Services:
Support groups for families
Inclusive play sessions
Events and activities for children with SEND