You are referring to the Building Control drawings and even then they won't tell you all the things you have listed. (It won't show wiring or plumbing - only in the sense that things are subject to Building Control regulation will be detailed).
The short answere is you can't get these except from a friendly architect/architectural technician. The ones at Building Control in your local offices you are not entitled to see.
Or buy a book on the subject - something like Building Construction Handbook by Chudley and Greeno . ISBN 0 7506 3753 6
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