How To Buytolet Mortgages Differ From quotnormalquot Mortgages

Can anyone tell me how buy-to-let mortgages Differ from Where the ones residing in emprunteur Would Be The Property?

Usually I'm aware That you need a larger deposit, How Much larger goal? And What Other differences are there?

I do not need Specific details of current mortgages available as, although I'm in the UK, I'm thinking of Purchasing a property Elsewhere.