List of best-selling albums in the United Kingdom

[6][7] According to the Official Charts Company (OCC), which collects album sales data in the UK, an album is defined as being a type of music release that features more than four tracks or is longer than 25 minutes in duration.

Pepper's Lonely Hearts Club Band by The Beatles, 21 by Adele, and (What's the Story) Morning Glory?

[14] Initially, certifications were based on the revenue received by the album manufacturers – records that generated revenue of £75,000 were awarded silver certification, £150,000 represented gold and £1 million was platinum.

[14] Multi-platinum awards were introduced in February 1987;[a] digital downloads have been counted towards unit sales since 2004.

[16] The highest-certified album is Greatest Hits, which has been awarded platinum certification 23 times, representing 6,900,000 units.