What's the deal with the people's postcode lottery? Is it a scam?

The letter has a head office address in London in its heading, and is signed by 'Susan Blair', who is listed as the lottery's president The postcode lottery is

A mum was left stunned when she returned home to her daughter telling her she'd just won £30000 in a postcode lottery 'I thought it was a scam

postcode lottery prize breakdown We've been alerted to a 'Postcode Lottery award programme' scam as pictured If you get the same letter, or any document you're suspicious about,

postcode lottery celebrities The People's Postcode Lottery manages lotteries for 20 Postcode Trusts and one-third of your ticket is donated to charity