The upward impact on growth was driven by a strong performance from industrial production, which grew by 2.1 per cent compared with a fall of 0.2 per cent in the quarter before and matched figures last seen in the third quarter of 1999.
Britain's dominant services sector grew by 0.5 per cent over the period, but this was offset by falls in construction and agriculture, which fell 0.4 per cent and 1 per cent respectively.
It comes as the index for the services sector, which accounts for more than 78 per cent of the UK economy, showed that output slipped by 0.1 per cent between April and May, down from a 0.6 per cent rise the month before.
Before the result was revealed, experts said it will show whether the economy headed into the vote from a position of strength amid fears a Leave vote could spark market chaos.