There are a number of on-road parking spaces in High street and some side roads.
I would recommend using the public car park located immediately opposite the clinic, next to the Conservative Club. Currently the charge is 50p for 2 hours.
Kelvedon Railway station - 15 minute walk
From Colchester direction - The Institute (1 min walk)
From Chelmsford direction - (I think it may still be called the Institute stop) (1 min walk)
Allen Osteopathy can be found within Halcyon Health & Beauty which is above Leaders Estate Agents (previously Allen Estates).
Access is via the external stairs which can be found at the side in Rolley Lane.