The UK Student visa rules are the same wherever you apply from - £558 visa fee, £776/year healthcare surcharge, and proof of funds for tuition plus 9 months of living costs (£1,529/month in London, £1,171/month outside). What's different for Pakistan is the practical side: where to take an approved TB test, how to evidence your funds so the source isn't questioned, and how to remit tuition through your bank under State Bank rules.