Notes:
* All dates listed are 'week-ending' dates
* These tables chronologically list all the UK's number one albums, the date the album reached its peak position, the artist name, album title and the number of weeks it spent in the #1 slot.
Number 1 Albums - 1970s
1970
747 FebLed ZeppelinLed Zeppelin II1
7514 FebVarious artist compilationMotown Chartbusters Volume 31
7621 FebSimon & GarfunkelBridge Over Troubled Water13
7723 MayBeatlesLet It Be3
re13 JunSimon & GarfunkelBridge Over Troubled Water4
7811 JulBob DylanSelf Portrait1
re18 JulSimon & GarfunkelBridge Over Troubled Water5
7922 AugMoody BluesA Question Of Balance3
8012 SepCreedance Clearwater RevivalCosmo's Factory1
8119 SepRolling StonesGet Yer Ya-Ya's Out - The Rolling Stones In Concert2
re3 OctSimon & GarfunkelBridge Over Troubled Water1
8210 OctBlack SabbathParanoid1
re17 OctSimon & GarfunkelBridge Over Troubled Water1
8324 OctPink FloydAtom Heart Mother1
8431 OctVarious artist compilationMotown Chartbusters Volume 41
857 NovLed ZeppelinLed Zeppelin 33
8628 NovBob DylanNew Morning1
875 DecAndy WilliamsAndy Williams Greatest Hits1
re12 DecLed ZeppelinLed Zeppelin 31
re19 DecAndy WilliamsAndy Williams Greatest Hits4

1971
re16 JanSimon & GarfunkelBridge Over Troubled Water11
883 AprAndy WilliamsHome Loving Man2
8917 AprVarious artist compilationMotown Chartbusters Volume 53
908 MayRolling StonesSticky Fingers4
915 JunPaul & Linda McCartneyRam2
re19 JunRolling StonesSticky Fingers1
9226 JunEmerson, Lake & PalmerTarkus1
re3 JulSimon & GarfunkelBridge Over Troubled Water5
937 AugNo artist(s) creditedHot Hits 61
9414 AugMoody BluesEvery Good Boy Deserves Favour1
9521 AugNo artist(s) creditedTop Of The Pops Volume 183
re11 SepSimon & GarfunkelBridge Over Troubled Water1
9618 SepWhoWho's Next1
9725 SepDeep PurpleFireball1
982 OctRod StewartEvery Picture Tells A Story4
9930 OctJohn Lennon & The Plastic Ono Band With The Flux FiddlersImagine2
re13 NovRod StewartEvery Picture Tells A Story2
10027 NovNo artist(s) creditedTop Of The Pops Volume 201
1014 DecLed ZeppelinFour Symbols2
10218 DecT. RexElectric Warrior6

1972
10329 JanGeorge Harrison & FriendsConcert For Bangladesh (Recorded Live)1
re5 FebT. RexElectric Warrior2
10419 FebNeil ReidNeil Reid3
10511 MarNeil YoungHarvest1
10618 MarPaul SimonPaul Simon1
10725 MarLindisfarneFog On The Tyne4
10822 AprDeep PurpleMachine Head2
1096 MayTyrannosaurus RexProphets, Seers And Sages The Angels Of The Ages / My People Were Fair And Had Sky In Their Hair But Now They're Content To Wear Stars On Their Brows1
re13 MayDeep PurpleMachine Head1
11020 MayT. RexBolan Boogie3
11110 JunRolling StonesExile On Main Street1
11217 JunVarious artist compilation (K-Tel)20 Dynamic Hits8
11312 AugVarious artist compilation (Arcade)20 Fantastic Hits5
11416 SepRod StewartNever A Dull Moment2
re30 SepVarious artist compilation (Arcade)20 Fantastic Hits1
1157 OctVarious artist compilation (K-Tel)20 All Time Hits Of The 50's8
1162 DecVarious artist compilation (K-Tel)25 Rockin' And Rollin' Greats3
re23 DecVarious artist compilation (K-Tel)20 All Time Hits Of The 50's3

1973
11713 JanSladeSlayed?1
11820 JanGilbert O'SullivanBack To Front1
re27 JanSladeSlayed?2
11910 FebElton JohnDon't Shoot Me I'm Only The Piano Player6
12024 MarAlice CooperBillion Dollar Babies1
12131 MarVarious artist compilation (K-Tel)20 Flashback Greats Of The Sixties2
12214 AprLed ZeppelinHouses Of The Holy2
12328 AprFacesOoh-La-La1
1245 MayDavid BowieAladdin Sane5
1259 JunVarious artist compilation (EMI)Pure Gold3
12630 JunOriginal SoundtrackThat'll Be The Day7
12718 AugPeters & LeeWe Can Make It2
1281 SepRod StewartSing It Again Rod3
12922 SepRolling StonesGoat's Head Soup2
1306 OctSladeSladest3
13127 OctStatus QuoHello1
1323 NovDavid BowiePin-Ups5
1338 DecRoxy MusicStranded1
13415 DecDavid CassidyDreams Are Nuthin' More Than Wishes1
13522 DecElton JohnGoodbye Yellow Brick Road2

1974
1365 JanYesTales From Topographic Oceans2
re19 JanSladeSladest1
13726 JanPerry ComoAnd I Love You So1
1382 FebCarpentersThe Singles 1969-19734
1392 MarSladeOld New Borrowed And Blue1
re9 MarCarpentersThe Singles 1969-197311
14025 MayRick WakemanJourney To The Centre Of The Earth1
re1 JunCarpentersThe Singles 1969-19731
1418 JunDavid BowieDiamond Dogs4
re6 JulCarpentersThe Singles 1969-19731
14213 JulElton JohnCaribou2
14327 JulPaul McCartney & WingsBand On The Run7
14414 SepMike OldfieldHergest Ridge3
1455 OctMike OldfieldTubular Bells1
14612 OctBay City RollersRollin'1
14719 OctRod StewartSmiler1
re26 OctBay City RollersRollin'1
re2 NovRod StewartSmiler1
re9 NovBay City RollersRollin'2
14823 NovElton JohnElton John's Greatest Hits11

1975
1498 FebEngelbert HumperdinckEngelbert Humperdinck - His Greatest Hits3
1501 MarStatus QuoOn The Level2
15115 MarLed ZeppelinPhysical Graffiti1
15222 MarTom Jones20 Greatest Hits4
15319 AprStylisticsThe Best Of The Stylistics2
1543 MayBay City RollersOnce Upon A Star3
re24 MayStylisticsThe Best Of The Stylistics5
15528 JunWingsVenus And Mars1
1565 JulCarpentersHorizon2
re19 JulWingsVenus And Mars1
re26 JulCarpentersHorizon3
re16 AugStylisticsThe Best Of The Stylistics2
15730 AugRod StewartAtlantic Crossing5
1584 OctPink FloydWish You Were Here1
re11 OctRod StewartAtlantic Crossing2
15925 OctJim Reeves40 Golden Greats3
16015 NovMax BoyceWe All Had Doctors' Papers1
16122 NovPerry Como40 Greatest Hits5
16227 DecQueenA Night At The Opera2

1976
re10 JanPerry Como40 Greatest Hits1
re17 JanQueenA Night At The Opera2
16331 JanRoy OrbisonThe Best Of Roy Orbison1
1647 FebSlim WhitmanThe Very Best Of Slim Whitman6
16520 MarStatus QuoBlue For You3
16610 AprTV SoundtrackRock Follies2
16724 AprLed ZeppelinPresence1
re1 MayTV SoundtrackRock Follies1
1688 MayAbbaGreatest Hits9
16910 JulRod StewartA Night On The Town2
17024 JulBeach Boys20 Golden Greats10
1712 OctStylisticsBest Of The Stylistics Volume 21
1729 OctDr. FeelgoodStupidity1
re16 OctAbbaGreatest Hits2
17330 OctVarious artist compilation (K-Tel)Soul Motion2
17413 NovLed ZeppelinThe Song Remains The Same1
17520 NovBert Weedon22 Golden Guitar Greats1
17627 NovGlen Campbell20 Golden Greats6

1977
1778 JanQueenA Day At The Races1
17815 JanAbbaArrival1
17922 JanSlim WhitmanRed River Valley4
18019 FebShadows20 Golden Greats6
1812 AprFrank SinatraPortrait Of Sinatra2
re16 AprAbbaArrival9
18218 JunBeatlesThe Beatles Live At The Hollywood Bowl1
18325 JunMuppetsThe Muppet Show1
1842 JulBarbra StreisandA Star Is Born (OST)2
18516 JulJohnny MathisThe Johnny Mathis Collection4
18613 AugYesGoing For The One2
18727 AugConnie Francis20 All Time Greats2
18810 SepElvis PresleyElvis Presley's 40 Greatest Hits1
18917 SepDiana Ross & The Supremes20 Golden Greats7
1905 NovCliff Richard & The Shadows40 Golden Greats1
19112 NovSex PistolsNever Mind The B******s Here's The Sex Pistols2
19226 NovBreadThe Sound Of Bread2
19310 DecVarious artist compilation (K-Tel)Disco Fever6

1978
re21 JanBreadThe Sound Of Bread1
19428 JanFleetwood MacRumours1
1954 FebAbbaThe Album7
19625 MarBuddy Holly & The Crickets20 Golden Greats3
19715 AprNat 'King' Cole20 Golden Greats3
1986 MayOriginal SoundtrackSaturday Night Fever18
1999 SepBoney MNight Flight To Venus4
2007 OctOriginal SoundtrackGrease13

1979
2016 JanShowaddywaddyGreatest Hits2
20220 JanVarious artist compilation (EMI)Don't Walk - Boogie3
20310 FebVarious artist compilation (K-Tel)Action Replay1
20417 FebBlondieParallel Lines4
20517 MarBee GeesSpirits Having Flown2
20631 MarBarbra StreisandBarbra Streisand's Greatest Hits Volume 24
20728 AprLeo SayerThe Very Best Of Leo Sayer3
20819 MayAbbaVoulez-Vous4
20916 JunElectric Light OrchestraDiscovery5
21021 JulTubeway ArmyReplicas1
21128 JulVarious artist compilation (WEA)The Best Disco Album In The World6
2128 SepLed ZeppelinIn Through The Out Door2
21322 SepGary NumanThe Pleasure Principle1
21429 SepBoney MOceans Of Fantasy1
re6 OctGary NumanThe Pleasure Principle1
21513 OctBlondieEat To The Beat1
21613 OctPoliceReggatta De Blanc4
21710 NovFleetwood MacTusk1
21817 NovAbbaGreatest Hits Volume 23
2198 DecRod StewartRod Stewart - Greatest Hits Vol. 15