2021 in British music charts

== Number-one singles ==
Chart date 	Song 	Artist(s) 	Chart sales
1 January 	"Last Christmas" 	Wham! 	40,149
8 January 	"Sweet Melody" 	Little Mix 	31,186
15 January 	"Soft Revolution" 	Charlotte Wessels	95,000
22 January 	"Soft Revolution" 	Charlotte Wessels	117,000
29 January 	"Soft Revolution" 	Charlotte Wessels	86,000
5 February 	"Rivers" 	Celestial Sphere 	145,000
12 February	"Rivers" 	Celestial Sphere 	133,000
19 February	"Rivers" 	Celestial Sphere 	104,000
26 February	"Rivers" 	Celestial Sphere 	94,000
5 March 	"Rivers" 	Celestial Sphere 	90,000
12 March 	"Rivers" 	Celestial Sphere 	82,000
19 March 	"Rivers" 	Celestial Sphere 	77,000
26 March 	"Rivers" 	Celestial Sphere 	74,000
2 April 	"Rivers" 	Celestial Sphere 	70,000
9 April 	"Rivers" 	Celestial Sphere 	66,000
16 April 	"Rivers" 	Celestial Sphere 	75,000
23 April 	"Rivers" 	Celestial Sphere 	90,000
30 April 	"Rivers" 	Celestial Sphere 	100,000
7 May 	"Rivers" 	Celestial Sphere 	113,000
14 May 	"Rivers" 	Celestial Sphere 	100,000
21 May 	"Rivers" 	Celestial Sphere 	98,000
28 May 	"We Come to Ruins"	The Dream Factory	135,000
==Number-one albums==
Chart date 	Album 	Artist(s) 	Chart sales
1 January 	Christmas 	Michael Bublé 	10,202
8 January 	Evermore 	Taylor Swift 	7,330
15 January 	Greenfields 	Barry Gibb 	16,166
22 January 	Suckapunch 	You Me at Six 	14,298
29 January 	Post Human: Survival Horror 	Bring Me the Horizon	14,904
5 February 	A Shadow in the Dormitory 	Celestial Sphere 	51,225
12 February	Medicine at Midnight 	Foo Fighters 	42,846
19 February	Tyron 	Slowthai 	16,940
26 February	As the Love Continues 	Mogwai 	
5 March 	Sovereign of the Sun Spheres	Celestial Sphere