The best selling album in 1970 in United Kingdom was BRIDGE OVER TROUBLED WATER by SIMON & GARFUNKEL.
| Rank | Artist | Album | Released |
| 1 | SIMON & GARFUNKEL | BRIDGE OVER TROUBLED WATER | 1970 |
| 2 | LED ZEPPELIN | LED ZEPPELIN II | 1969 |
| 3 | SOUNDTRACK | EASY RIDER | 1969 |
| 4 | SOUNDTRACK | PAINT YOUR WAGON | 1969 |
| 5 | MOTOWN CHARTBUSTERS SERIES | MOTOWN CHARTBUSTERS - VOL 3 | 1969 |
| 6 | THE BEATLES | ABBEY ROAD | 1969 |
| 7 | THE BEATLES | LET IT BE | 1970 |
| 8 | DEEP PURPLE | DEEP PURPLE IN ROCK | 1970 |
| 9 | PAUL MCCARTNEY | MCCARTNEY | 1970 |
| 10 | ANDY WILLIAMS | ANDY WILLIAMS' GREATEST HITS | 1970 |
| 11 | JOHNNY CASH | AT SAN QUENTIN | 1969 |
| 12 | MOODY BLUES | A QUESTION OF BALANCE | 1970 |
| 13 | SOUNDTRACK | THE SOUND OF MUSIC | 1965 |
| 14 | BLACK SABBATH | PARANOID | 1970 |
| 15 | MOTOWN CHARTBUSTERS SERIES | MOTOWN CHARTBUSTERS - VOL 4 | 1970 |
| 16 | CREEDENCE CLEARWATER REVIVAL | COSMO'S FACTORY | 1970 |
| 17 | TOM JONES | LIVE AT LAS VEGAS | 1969 |
| 18 | THE ROLLING STONES | LET IT BLEED | 1969 |
| 19 | FREE | FIRE AND WATER | 1970 |
| 20 | BLACK SABBATH | BLACK SABBATH | 1970 |
Source: Record Retailer