That is the current government proposal which was due to be voted on last year but it's been put back to 2025, after the next GE probably because the Tories reckon the poison chalice will then be Labours, not quite as alarming as yesterday's headlines so no doubt when the proposed SP age is only 69 by 2050 it'll be announced as a triumph (shades of 1984 and the increase in choco rations - doubleplusgood).