|Slogan||Turn up the Feel Good!|
|Frequency||DAB - D1 National|
|First air date||29 February 2016|
|Sister stations||Heart Dance|
The station broadcasts a presenter-free music sequence from 10-4pm on weekdays. Outside this time, it simulcasts Heart London programming, including the Heart Breakfast show hosted by Jamie Theakston and Amanda Holden, and Heart Drivetime hosted by JK and Kelly Brook.
Heart Extra was re-branded as Heart extra Xmas, a pop-up Christmas music service with the slogan 'Turn up the festive feel good!', during November and December 2016. The pop-up festive offering was Global's successor to the prior Smooth Christmas service. Heart Extra Xmas ran again at the end of 2017. Heart Extra Xmas was relaunched again for 2018, this time running between 3 November until midnight on 26 December 2018. Heart Extra Xmas relaunched for 2019 on 1 November 2019.