Searching for my partners late fathers army record

I am looking for my partners late fathers army number, I have tried every resource, website, museum and I don’t know where else to go.

The details I have is

Name is Edwin Bernard Frayne or he could have been under Edwin Bernard Freeman as at some point his father changed his surname.
His dob is 1st June 1936
He went into the army at 18 so am presuming 1954
He served with the buffs

That’s all I know, can you help at all?

 

apply here Get a copy of military service records

you will not find his service records on line apply using the detail in the link above cost £30 you dont need his service number just date of birth and death cert if no longer with us.Once you get the records they will show his service record


regards
Clive