Border agency in Pakistan doesn't mention any of those requirements.
http://www.ukba.homeoffice.gov.uk/count ... %20English
The only paragraph I see about copies is quoted below:
Did anybody face the same situation?For every document that you provide, you must include the original document and a photocopy. This includes a copy of your passport bio-data page (the page containing your photograph). Please ensure that the photocopies are of good quality and can be read easily. If you do not provide a photocopy of each document, we might not return your original documents to you.
Please share your experience.