From Personal Experience I Knew This Oft Denied Fact In Colour Red.

 How hot was it in the UK in 1976? The highest temperature during the 1976 heatwave was 35.9 °C (96.6 °F), 0.8 °C below the record at the time of 36.7 °C (98.1 °F) set on 9 August 1911. As of 2022, 1976 has the 13th hottest day in UK history. In the Central England Temperature series: 

But overall,1976 is the hottest summer for more than 350 years.

(2022 was hot - yes. It did hit some new temperature heights, but we've had nothing matching 1976 in the last 46 years.)