First song to reach No.1 of UK Singles chart through download sales by a UK act

First song to reach No.1 of UK Singles chart through download sales by a UK act
Who
Sugababes
What
35 first
Where
United Kingdom ()
When
On 6 October 2007, the Sugababes (UK) single ‘About You Now’ became the biggest chart jumper to the No.1 position in the UK, when it leaped from No. 35 to the top. It was also the first track by a British act to top the chart solely on download sales.