# Opinion polling for the 1974 United Kingdom general elections

In the runup to both the February and October 1974 United Kingdom general elections, various polling organisations conducted opinion polling to gauge voting intention amongst the general public. Such polls are listed in this article, ranging from the previous election on 18 June 1970 to the first polling day on 28 February 1974, and again up to the second polling day on 10 October 1974.
Polling data is from PollBase.

## October 1974 general election

| Dates conducted | Pollster | Client | Con | Lab | Lib | Lead |
| 10 Oct 1974 | October 1974 general election | October 1974 general election | 36.6% | 40.2% | 18.8% | 3.6 |
| 9 Oct | ORC | Evening Standard | 34.4% | 41.8% | 19.4% | 7.4 |
| 8–9 Oct | Harris | Daily Express | 34.6% | 43% | 19.3% | 8.4 |
| 8 Oct | ORC | The Times | 35% | 44% | 17% | 9 |
| 8 Oct | Marplan | The Sun | 33.3% | 43.8% | 19.5% | 10.5 |
| 3–7 Oct | Gallup | The Daily Telegraph | 36% | 41.5% | 19% | 5.5 |
| 5–6 Oct | ORC | Evening Standard | 33% | 43% | 20% | 10 |
| 5–6 Oct | Harris | Daily Express | 33.5% | 43.5% | 20% | 10 |
| 2–5 Oct | NOP | Daily Mail | 31% | 45.5% | 19.5% | 14.5 |
| 4 Oct | Marplan | News of the World | 33.1% | 42.9% | 19.7% | 9.8 |
| 2–3 Oct | Harris | London Weekend Television | 34% | 43% | 20% | 9 |
| 28 Sep – 3 Oct | Gallup | The Daily Telegraph | 37% | 42.5% | 17.5% | 5.5 |
| 2 Oct | Business Decisions | The Observer | 35.5% | 40% | 20% | 4.5 |
| 27–30 Sep | Gallup | The Daily Telegraph | 35% | 42.5% | 19% | 7.5 |
| 26–29 Sep | ORC | The Times | 33% | 42% | 21% | 9 |
| 26–29 Sep | Harris | Daily Express | 35% | 43.5% | 18.5% | 8.5 |
| 25–27 Sep | NOP | N/A | 33% | 44% | 22% | 11 |
| 19–26 Sep | Gallup | The Daily Telegraph | 39% | 44% | 15% | 5 |
| 25 Sep | Business Decisions | The Observer | 36% | 40% | 20% | 4 |
| 25 Sep | Harris | London Weekend Television | 34% | 43% | 20% | 9 |
| 19–22 Sep | Gallup | The Daily Telegraph | 37.5% | 42.5% | 18% | 5 |
| 19–22 Sep | ORC | Evening Standard | 31% | 45% | 20% | 14 |
| 18–22 Sep | Harris | Daily Express | 36.5% | 42.5% | 19% | 6 |
| 19 Sep | Business Decisions | The Observer | 36% | 39.5% | 20% | 3.5 |
| 18–19 Sep | Harris | London Weekend Television | 33% | 45% | 19% | 12 |
| 18–19 Sep | ORC | The Sunday Times | 35% | 43% | 19% | 8 |
| 18 Sep | Prime Minister Harold Wilson announces a snap general election for 10 October | Prime Minister Harold Wilson announces a snap general election for 10 October | Prime Minister Harold Wilson announces a snap general election for 10 October | Prime Minister Harold Wilson announces a snap general election for 10 October | Prime Minister Harold Wilson announces a snap general election for 10 October | Prime Minister Harold Wilson announces a snap general election for 10 October |
| 11–17 Sep | Gallup | The Daily Telegraph | 34% | 42% | 20.5% | 8 |
| 10–15 Sep | ORC | The Times | 34% | 38% | 23% | 4 |
| 10–15 Sep | NOP | Daily Mail | 32% | 46.6% | 18.2% | 14.6 |
| 11–12 Sep | NOP | N/A | 41% | 40% | 16% | 1 |
| 11–12 Sep | ORC | The Sunday Times | 36% | 46% | 16% | 10 |
| 28 Aug – 4 Sep | Gallup | The Daily Telegraph | 37.5% | 40.5% | 18% | 3 |
| Aug | ORC | Evening Standard | 34% | 40.5% | 21% | 6.5 |
| 31 Aug | NOP | N/A | 39.1% | 37% | 19.1% | 2.1 |
| 8–12 Aug | Gallup | The Daily Telegraph | 35.5% | 39.5% | 21% | 4 |
| Jul | ORC | Evening Standard | 37% | 37% | 22% | Tie |
| 23–28 Jul | NOP | N/A | 35.4% | 44.8% | 18.2% | 9.4 |
| 10–15 Jul | Gallup | The Daily Telegraph | 35% | 38% | 21% | 3 |
| Jun | Harris | Daily Express | 35.5% | 42% | 20.5% | 6.5 |
| Jun | ORC | Evening Standard | 34% | 46% | 18% | 12 |
| 18–23 Jun | NOP | N/A | 37.7% | 45.8% | 14% | 8.1 |
| 12–17 Jun | Gallup | The Daily Telegraph | 35.5% | 44% | 17% | 8.5 |
| May | ORC | Evening Standard | 35% | 45% | 16% | 10 |
| 23 May | Newham South by-election | Newham South by-election | Newham South by-election | Newham South by-election | Newham South by-election | Newham South by-election |
| 8–13 May | Gallup | The Daily Telegraph | 33% | 46.5% | 17% | 13.5 |
| 7 May | Local elections in Scotland | Local elections in Scotland | Local elections in Scotland | Local elections in Scotland | Local elections in Scotland | Local elections in Scotland |
| 2 May | Local elections in London | Local elections in London | Local elections in London | Local elections in London | Local elections in London | Local elections in London |
| Apr | ORC | Evening Standard | 35.5% | 42.5% | 18% | 7 |
| 9–16 Apr | Gallup | The Daily Telegraph | 33% | 49% | 15.5% | 16 |
| 2–7 Apr | NOP | N/A | 36.4% | 45.1% | 16.5% | 8.7 |
| Mar | ORC | Evening Standard | 35% | 44% | 17% | 9 |
| 19–24 Mar | NOP | N/A | 33.6% | 47.7% | 15% | 14.1 |
| 13–18 Mar | Gallup | The Daily Telegraph | 35% | 43% | 19% | 8 |
| 12–17 Mar | NOP | N/A | 35.7% | 43.3% | 17.9% | 7.6 |
| 7 Mar | Three Day Week restrictions end | Three Day Week restrictions end | Three Day Week restrictions end | Three Day Week restrictions end | Three Day Week restrictions end | Three Day Week restrictions end |
| 28 Feb 1974 | February 1974 general election | February 1974 general election | 38.6% | 38.0% | 19.8% | 0.6 |

## February 1974 general election
### 1974

| Dates conducted | Pollster | Client | Con | Lab | Lib | Lead |
| 28 Feb 1974 | February 1974 general election | February 1974 general election | 38.6% | 38.0% | 19.8% | 0.6 |
| 27 Feb | Marplan | London Weekend Television | 36.5% | 34.5% | 25% | 2 |
| Feb | ORC | The Times | 38.7% | 34.9% | 23% | 3.8 |
| 27 Feb | ORC | Evening Standard | 39.7% | 36.7% | 21.2% | 3 |
| 26–27 Feb | Gallup | The Daily Telegraph | 39.5% | 37.5% | 20.5% | 2 |
| 26–27 Feb | Harris | Daily Express | 40.2% | 35.2% | 22% | 7 |
| Feb | Harris | Daily Express | 38% | 34.5% | 25% | 3.5 |
| Feb | ORC | Evening Standard | 36.5% | 35% | 25.5% | 1.5 |
| 23–27 Feb | NOP | Daily Mail | 39.5% | 35.5% | 22% | 4 |
| 23–26 Feb | NOP | Daily Mail | 40.5% | 35.5% | 22% | 5 |
| Feb | Marplan | London Weekend Television | 38.5% | 31.5% | 28% | 7 |
| 21 Feb | Business Decisions | The Observer | 35% | 37.5% | 23.5% | 2.5 |
| 18–21 Feb | Gallup | The Daily Telegraph | 42% | 40% | 16.5% | 2 |
| Feb | Harris | Daily Express | 40% | 33.5% | 23.5% | 6.5 |
| 16–18 Feb | Gallup | The Daily Telegraph | 41% | 40.5% | 16.5% | 0.5 |
| 14–17 Feb | NOP | Daily Mail | 43.4% | 37.8% | 16.9% | 5.6 |
| Feb | ORC | Evening Standard | 41% | 35% | 21% | 6 |
| Feb | Harris | Daily Express | 43.5% | 38% | 17% | 5.5 |
| Feb | Business Decisions | The Observer | 40.5% | 38% | 19.5% | 2.5 |
| Feb | Marplan | London Weekend Television | 44% | 35% | 17% | 9 |
| 12–14 Feb | Gallup | The Daily Telegraph | 42.5% | 41.5% | 14% | 1 |
| 12–13 Feb | Harris | Daily Express | 46% | 35% | 18% | 11 |
| 8–11 Feb | Gallup | The Daily Telegraph | 44.5% | 43% | 11% | 1.5 |
| 8–10 Feb | ORC | The Times | 42% | 40% | 16% | 2 |
| 8–9 Feb | Marplan | London Weekend Television | 45% | 39% | 12% | 6 |
| 7 Feb | Parliament dissolved and official campaign period begins | Parliament dissolved and official campaign period begins | Parliament dissolved and official campaign period begins | Parliament dissolved and official campaign period begins | Parliament dissolved and official campaign period begins | Parliament dissolved and official campaign period begins |
| 7 Feb | Business Decisions | The Observer | 44.9% | 37.2% | 11.9% | 7.7 |
| 1–4 Feb | Gallup | The Daily Telegraph | 39.5% | 42.5% | 16% | 3 |
| Jan | Harris | Daily Express | 41% | 37% | 20% | 4 |
| Jan | ORC | Evening Standard | 41% | 37% | 19% | 4 |
| 8–13 Jan | NOP | Daily Mail | 39.4% | 42% | 16.5% | 2.6 |
| 8–13 Jan | Gallup | The Daily Telegraph | 40% | 38% | 19% | 2 |

### 1973

| Dates conducted | Pollster | Client | Con | Lab | Lib | Lead |
| Dec | Harris | Daily Express | 36% | 38.5% | 23% | 2.5 |
| Dec | ORC | Evening Standard | 35% | 40% | 23% | 5 |
| 12–18 Dec | Gallup | The Daily Telegraph | 36% | 42.5% | 18.5% | 6.5 |
| 27 Nov – 2 Dec | NOP | Daily Mail | 35.6% | 43.2% | 20% | 7.6 |
| Nov | ORC | Evening Standard | 33% | 38.5% | 25.5% | 5.5 |
| 18 Nov | NOP | Daily Mail | 36.5% | 39.9% | 21.2% | 3.4 |
| 14–18 Nov | Gallup | The Daily Telegraph | 36.5% | 38.5% | 22.5% | 2 |
| 8 Nov | Berwick-upon-Tweed, Edinburgh North, Glasgow Govan and Hove by-elections | Berwick-upon-Tweed, Edinburgh North, Glasgow Govan and Hove by-elections | Berwick-upon-Tweed, Edinburgh North, Glasgow Govan and Hove by-elections | Berwick-upon-Tweed, Edinburgh North, Glasgow Govan and Hove by-elections | Berwick-upon-Tweed, Edinburgh North, Glasgow Govan and Hove by-elections | Berwick-upon-Tweed, Edinburgh North, Glasgow Govan and Hove by-elections |
| Oct | ORC | Evening Standard | 33% | 37.5% | 27.5% | 4.5 |
| 23–28 Oct | NOP | Daily Mail | 37.5% | 39.7% | 21.3% | 2.2 |
| 17–21 Oct | Gallup | The Daily Telegraph | 33% | 39.5% | 25.5% | 6.5 |
| 13 Oct | NOP | Daily Mail | 34.2% | 35.4% | 29.1% | 1.2 |
| Sep | ORC | Evening Standard | 30.5% | 38% | 29% | 7.5 |
| 5–9 Sep | Gallup | The Daily Telegraph | 33.5% | 43% | 22% | 9.5 |
| 4–9 Sep | NOP | Daily Mail | 33.9% | 40.9% | 23.8% | 7 |
| Aug | ORC | Evening Standard | 30% | 41% | 26% | 11 |
| 7–15 Aug | NOP | Daily Mail | 28.9% | 41.7% | 27.6% | 12.8 |
| 8–12 Aug | Gallup | The Daily Telegraph | 31.5% | 38% | 28% | 6.5 |
| 26 Jul | Isle of Ely and Ripon by-elections | Isle of Ely and Ripon by-elections | Isle of Ely and Ripon by-elections | Isle of Ely and Ripon by-elections | Isle of Ely and Ripon by-elections | Isle of Ely and Ripon by-elections |
| Jul | ORC | Evening Standard | 38.5% | 39% | 18.5% | 0.5 |
| 11–15 Jul | Gallup | The Daily Telegraph | 35.5% | 45% | 17.5% | 9.5 |
| 27 Jun | Manchester Exchange by-election | Manchester Exchange by-election | Manchester Exchange by-election | Manchester Exchange by-election | Manchester Exchange by-election | Manchester Exchange by-election |
| Jun | ORC | Evening Standard | 39% | 37% | 21% | 2 |
| 19–24 Jun | NOP | Daily Mail | 39.3% | 43.9% | 14.8% | 4.6 |
| 12–17 Jun | NOP | Daily Mail | 41.3% | 41.6% | 15.7% | 0.3 |
| 6–10 Jun | Gallup | The Daily Telegraph | 41% | 42% | 14.5% | 1 |
| 7 Jun | Final round of local elections in England and Wales | Final round of local elections in England and Wales | Final round of local elections in England and Wales | Final round of local elections in England and Wales | Final round of local elections in England and Wales | Final round of local elections in England and Wales |
| 30 May | Local elections in Northern Ireland | Local elections in Northern Ireland | Local elections in Northern Ireland | Local elections in Northern Ireland | Local elections in Northern Ireland | Local elections in Northern Ireland |
| 24 May | West Bromwich and Westhoughton by-elections | West Bromwich and Westhoughton by-elections | West Bromwich and Westhoughton by-elections | West Bromwich and Westhoughton by-elections | West Bromwich and Westhoughton by-elections | West Bromwich and Westhoughton by-elections |
| May | Harris | Daily Express | 37% | 45% | 16% | 8 |
| May | ORC | Evening Standard | 34% | 41% | 22% | 7 |
| 10–13 May | Gallup | The Daily Telegraph | 38% | 43.5% | 14.5% | 5.5 |
| 10 May | Further local elections in England and Wales | Further local elections in England and Wales | Further local elections in England and Wales | Further local elections in England and Wales | Further local elections in England and Wales | Further local elections in England and Wales |
| 1–6 May | NOP | Daily Mail | 31.9% | 50.1% | 16.9% | 18.2 |
| 1 May | Local elections in Scotland | Local elections in Scotland | Local elections in Scotland | Local elections in Scotland | Local elections in Scotland | Local elections in Scotland |
| Apr | ORC | Evening Standard | 36% | 41% | 20% | 5 |
| Apr | Harris | Daily Express | 38% | 42% | 17% | 4 |
| 11–15 Apr | Gallup | The Daily Telegraph | 38% | 41% | 17.5% | 3 |
| 10–16 Apr | NOP | Daily Mail | 36.6% | 45% | 17% | 8.4 |
| 12 Apr | Local elections in England and Wales and Greater London Council election | Local elections in England and Wales and Greater London Council election | Local elections in England and Wales and Greater London Council election | Local elections in England and Wales and Greater London Council election | Local elections in England and Wales and Greater London Council election | Local elections in England and Wales and Greater London Council election |
| Mar | ORC | Evening Standard | 38% | 43% | 16% | 5 |
| Mar | Harris | Daily Express | 36% | 47% | 15% | 11 |
| 9–12 Mar | Gallup | The Daily Telegraph | 39% | 43% | 16% | 4 |
| 6–11 Mar | NOP | Daily Mail | 38% | 45.2% | 14.9% | 7.2 |
| 8 Mar | 1973 Northern Ireland border poll | 1973 Northern Ireland border poll | 1973 Northern Ireland border poll | 1973 Northern Ireland border poll | 1973 Northern Ireland border poll | 1973 Northern Ireland border poll |
| 1 Mar | Chester-le-Street, Dundee East and Lincoln by-elections | Chester-le-Street, Dundee East and Lincoln by-elections | Chester-le-Street, Dundee East and Lincoln by-elections | Chester-le-Street, Dundee East and Lincoln by-elections | Chester-le-Street, Dundee East and Lincoln by-elections | Chester-le-Street, Dundee East and Lincoln by-elections |
| Feb | Harris | Daily Express | 39% | 46% | 14% | 7 |
| Feb | ORC | Evening Standard | 39% | 41% | 17% | 2 |
| 8–11 Feb | Gallup | The Daily Telegraph | 38% | 47% | 12.5% | 9 |
| Jan | Harris | Daily Express | 37% | 47% | 14% | 10 |
| Jan | ORC | Evening Standard | 39% | 41% | 17% | 2 |
| 23–28 Jan | NOP | Daily Mail | 39.9% | 42.7% | 15.4% | 2.8 |
| 9–15 Jan | NOP | Daily Mail | 39.4% | 39% | 20.6% | 0.4 |
| 10–14 Jan | Gallup | The Daily Telegraph | 38.5% | 44% | 15.5% | 5.5 |

### 1972

| Dates conducted | Pollster | Client | Con | Lab | Lib | Lead |
| Dec | ORC | Evening Standard | 36% | 45% | 16% | 9 |
| 12–18 Dec | NOP | Daily Mail | 39.7% | 42.6% | 15.7% | 2.9 |
| 6–10 Dec | Gallup | The Daily Telegraph | 38% | 46.5% | 12.5% | 8.5 |
| 7 Dec | Sutton and Cheam and Uxbridge by-elections | Sutton and Cheam and Uxbridge by-elections | Sutton and Cheam and Uxbridge by-elections | Sutton and Cheam and Uxbridge by-elections | Sutton and Cheam and Uxbridge by-elections | Sutton and Cheam and Uxbridge by-elections |
| 28 Nov – 4 Dec | NOP | Daily Mail | 37% | 47.4% | 13.7% | 10.4 |
| Nov | Harris | Daily Express | 40% | 46% | 12% | 6 |
| Nov | ORC | Evening Standard | 37% | 45% | 16% | 8 |
| 14–20 Nov | Gallup | The Daily Telegraph | 40.5% | 45.4% | 12.9% | 4.9 |
| 9–12 Nov | Gallup | The Daily Telegraph | 37.5% | 45.5% | 15% | 8 |
| Oct | Harris | Daily Express | 37% | 50% | 11% | 13 |
| Oct – 2 Nov | NOP | Daily Mail | 36.7% | 50.5% | 11.2% | 13.8 |
| 26 Oct | Rochdale by-election | Rochdale by-election | Rochdale by-election | Rochdale by-election | Rochdale by-election | Rochdale by-election |
| 18–22 Oct | Gallup | The Daily Telegraph | 40% | 48% | 8.5% | 8 |
| 10–26 Oct | NOP | Daily Mail | 38.6% | 49.7% | 9.9% | 11.1 |
| Sep | Harris | Daily Express | 40% | 48% | 11% | 8 |
| Sep | ORC | Evening Standard | 39% | 46% | 12% | 7 |
| 12–17 Sep | NOP | Daily Mail | 35.7% | 53.5% | 9.1% | 17.8 |
| 3–17 Sep | Gallup | The Daily Telegraph | 38.5% | 49.5% | 9.5% | 11 |
| Aug | Harris | Daily Express | 41% | 49% | 9% | 8 |
| Aug | ORC | Evening Standard | 44% | 49% | 6% | 5 |
| 9–13 Aug | Gallup | The Daily Telegraph | 40% | 49% | 7.5% | 9 |
| Jul | Harris | Daily Express | 42% | 48% | 9% | 6 |
| Jul | ORC | Evening Standard | 37% | 50% | 10% | 13 |
| 25–30 Jul | NOP | Daily Mail | 41% | 47% | 10% | 6 |
| 12–16 Jul | Gallup | The Daily Telegraph | 41% | 47% | 10% | 6 |
| Jun | Harris | Daily Express | 38% | 52% | 9% | 14 |
| Jun | ORC | Evening Standard | 42% | 46% | 10% | 4 |
| 8–11 Jun | Gallup | The Daily Telegraph | 41% | 47% | 10% | 6 |
| May | Harris | Daily Express | 44% | 47% | 8% | 3 |
| May | ORC | Evening Standard | 43% | 44.5% | 10.5% | 1.5 |
| 11–14 May | NOP | Daily Mail | 40.5% | 46.5% | 11% | 6 |
| 2–7 May | NOP | Daily Mail | 40.9% | 46.9% | 10.8% | 6 |
| 4 May | Kingston-upon-Thames and Southwark by-elections | Kingston-upon-Thames and Southwark by-elections | Kingston-upon-Thames and Southwark by-elections | Kingston-upon-Thames and Southwark by-elections | Kingston-upon-Thames and Southwark by-elections | Kingston-upon-Thames and Southwark by-elections |
| May | Local elections | Local elections | Local elections | Local elections | Local elections | Local elections |
| Apr | Harris | Daily Express | 42% | 50% | 6% | 8 |
| Apr | ORC | Evening Standard | 40% | 51% | 7% | 11 |
| 12–16 Apr | Gallup | The Daily Telegraph | 43.5% | 44.5% | 10% | 1 |
| 11–16 Apr | NOP | Daily Mail | 44.8% | 46.8% | 7.5% | 2 |
| 13 Apr | Merthyr Tydfil by-election | Merthyr Tydfil by-election | Merthyr Tydfil by-election | Merthyr Tydfil by-election | Merthyr Tydfil by-election | Merthyr Tydfil by-election |
| Mar | Harris | Daily Express | 41% | 50% | 8% | 9 |
| Mar | ORC | Evening Standard | 39% | 49% | 10% | 10 |
| 8–12 Mar | Gallup | The Daily Telegraph | 39.5% | 48.5% | 9.5% | 9 |
| Feb | Harris | Daily Express | 39% | 53% | 7% | 14 |
| Feb | ORC | Evening Standard | 35% | 55% | 8% | 20 |
| 15–20 Feb | NOP | Daily Mail | 42% | 49% | 8% | 7 |
| 9–13 Feb | Gallup | The Daily Telegraph | 40.5% | 49% | 8.5% | 8.5 |
| Jan | Harris | Daily Express | 43% | 49% | 7% | 6 |
| Jan | ORC | Evening Standard | 43% | 47% | 8% | 4 |
| 24–30 Jan | NOP | Daily Mail | 39.1% | 49.8% | 9.6% | 10.7 |
| 12–16 Jan | Gallup | The Daily Telegraph | 40.5% | 48% | 9% | 7.5 |
| 11–16 Jan | NOP | Daily Mail | 42.7% | 49.4% | 6.8% | 6.7 |

### 1971

| Dates conducted | Pollster | Client | Con | Lab | Lib | Lead |
| Dec | ORC | Evening Standard | 39.5% | 49.5% | 9% | 10 |
| 8–12 Dec | Gallup | The Daily Telegraph | 42% | 48% | 7.5% | 6 |
| Nov | Harris | Daily Express | 38% | 54% | 7% | 16 |
| Nov | ORC | Evening Standard | 40% | 51% | 7.5% | 11 |
| 23–29 Nov | NOP | Daily Mail | 38.8% | 51.8% | 8.4% | 13 |
| 10–14 Nov | Gallup | The Daily Telegraph | 42.5% | 48.5% | 7% | 6 |
| Oct | Harris | Daily Express | 40% | 52% | 7% | 10 |
| Oct | ORC | Evening Standard | 42% | 48% | 8% | 6 |
| 13–17 Oct | Gallup | The Daily Telegraph | 40% | 50% | 8% | 10 |
| Sep | Harris | Daily Express | 42% | 50% | 7% | 8 |
| Sep | ORC | Evening Standard | 42% | 46% | 9% | 4 |
| 30 Sep | Macclesfield by-election | Macclesfield by-election | Macclesfield by-election | Macclesfield by-election | Macclesfield by-election | Macclesfield by-election |
| 23 Sep | Widnes by-election | Widnes by-election | Widnes by-election | Widnes by-election | Widnes by-election | Widnes by-election |
| 16–20 Sep | Gallup | The Daily Telegraph | 35% | 54% | 8.5% | 19 |
| 16 Sep | Stirling and Falkirk by-election | Stirling and Falkirk by-election | Stirling and Falkirk by-election | Stirling and Falkirk by-election | Stirling and Falkirk by-election | Stirling and Falkirk by-election |
| 14–20 Sep | NOP | Daily Mail | 41.8% | 49.3% | 7.9% | 7.5 |
| Aug | Harris | Daily Express | 42% | 50% | 7% | 8 |
| Aug | ORC | Evening Standard | 42% | 47% | 9% | 5 |
| 11–15 Aug | Gallup | The Daily Telegraph | 42% | 48.5% | 7% | 6.5 |
| Jul | Harris | Daily Express | 42% | 51% | 7% | 9 |
| Jul | ORC | Evening Standard | 39% | 50% | 8% | 11 |
| 9–12 Jul | Gallup | The Daily Telegraph | 33.5% | 55% | 8.5% | 21.5 |
| 6–12 Jul | NOP | Daily Mail | 38.1% | 53.7% | 7.6% | 15.6 |
| 8 Jul | Greenwich by-election | Greenwich by-election | Greenwich by-election | Greenwich by-election | Greenwich by-election | Greenwich by-election |
| Jun | Harris | Daily Express | 36% | 57% | 5% | 21 |
| Jun | ORC | Evening Standard | 40% | 51% | 7% | 11 |
| 17 Jun | Hayes and Harlington by-election | Hayes and Harlington by-election | Hayes and Harlington by-election | Hayes and Harlington by-election | Hayes and Harlington by-election | Hayes and Harlington by-election |
| 8–14 Jun | NOP | Daily Mail | 38.3% | 52% | 7.9% | 13.7 |
| 10–13 Jun | Gallup | The Daily Telegraph | 36% | 54% | 8% | 18 |
| May | Harris | Daily Express | 39% | 54% | 7% | 15 |
| May | ORC | Evening Standard | 45% | 45% | 8% | Tie |
| 27 May | Bromsgrove and Goole by-elections | Bromsgrove and Goole by-elections | Bromsgrove and Goole by-elections | Bromsgrove and Goole by-elections | Bromsgrove and Goole by-elections | Bromsgrove and Goole by-elections |
| May | NOP | Daily Mail | 40.7% | 51.7% | 6.6% | 11 |
| 13–16 May | Gallup | The Daily Telegraph | 38% | 50% | 9.5% | 12 |
| May | Local elections | Local elections | Local elections | Local elections | Local elections | Local elections |
| Apr | Harris | Daily Express | 44% | 47% | 7% | 3 |
| Apr | ORC | Evening Standard | 48.5% | 41.5% | 8.5% | 7 |
| 13–19 Apr | NOP | Daily Mail | 42% | 48.8% | 7.3% | 6.8 |
| 8–13 Apr | Gallup | The Daily Telegraph | 44% | 45.5% | 9.5% | 1.5 |
| 1–4 Apr | Gallup | The Daily Telegraph | 44.5% | 48% | 6% | 3.5 |
| 1 Apr | Liverpool Scotland and Arundel and Shoreham by-elections | Liverpool Scotland and Arundel and Shoreham by-elections | Liverpool Scotland and Arundel and Shoreham by-elections | Liverpool Scotland and Arundel and Shoreham by-elections | Liverpool Scotland and Arundel and Shoreham by-elections | Liverpool Scotland and Arundel and Shoreham by-elections |
| Mar | Harris | Daily Express | 42% | 49% | 8% | 7 |
| Mar | ORC | Evening Standard | 41% | 46% | 11% | 5 |
| 11–14 Mar | Gallup | The Daily Telegraph | 38.5% | 50.5% | 8% | 12 |
| 9–15 Mar | NOP | Daily Mail | 39.9% | 50.4% | 8.9% | 10.5 |
| Feb | Harris | Daily Express | 41% | 49% | 8% | 8 |
| Feb | ORC | Evening Standard | 41.5% | 48% | 9% | 6.5 |
| 8–14 Feb | Gallup | The Daily Telegraph | 41.5% | 49% | 8% | 7.5 |
| Jan | Harris | Daily Express | 42% | 49% | 8% | 7 |
| Jan | ORC | Evening Standard | 45% | 45% | 9% | Tie |
| 14–17 Jan | Gallup | The Daily Telegraph | 42.5% | 47% | 8.5% | 4.5 |
| 12–18 Jan | NOP | Daily Mail | 46.3% | 44.3% | 8.3% | 2 |

### 1970

| Dates conducted | Pollster | Client | Con | Lab | Lib | Lead |
| Dec | ORC | Evening Standard | 41.5% | 47% | 9.5% | 5.5 |
| 10–13 Dec | Gallup | The Daily Telegraph | 46% | 44.5% | 6% | 1.5 |
| Nov | Harris | Daily Express | 45% | 48% | 7% | 3 |
| Nov | ORC | Evening Standard | 51% | 40% | 7% | 11 |
| 19 Nov | Enfield West by-election | Enfield West by-election | Enfield West by-election | Enfield West by-election | Enfield West by-election | Enfield West by-election |
| 12–15 Nov | Gallup | The Daily Telegraph | 43.5% | 48% | 6.5% | 4.5 |
| Oct | Harris | Daily Express | 48% | 44% | 7% | 4 |
| Oct | ORC | Evening Standard | 48% | 43% | 7% | 5 |
| 22 Oct | St Marylebone by-election | St Marylebone by-election | St Marylebone by-election | St Marylebone by-election | St Marylebone by-election | St Marylebone by-election |
| 16–18 Oct | Gallup | The Daily Telegraph | 46.5% | 46.5% | 6.5% | Tie |
| 13–18 Oct | NOP | Daily Mail | 45.8% | 46.6% | 6.7% | 0.8 |
| Sep | Harris | Daily Express | 49% | 45% | 5% | 4 |
| Sep | ORC | Evening Standard | 50% | 42% | 6% | 8 |
| 10–13 Sep | Gallup | The Daily Telegraph | 46.5% | 44% | 8% | 2.5 |
| Aug | ORC | Evening Standard | 49% | 41% | 8% | 8 |
| 13–16 Aug | Gallup | The Daily Telegraph | 47% | 43.5% | 7.5% | 3.5 |
| 11–16 Aug | NOP | Daily Mail | 47.3% | 44.2% | 6.9% | 3.1 |
| Jul | ORC | Evening Standard | 51% | 40% | 8% | 11 |
| 7–13 Jul | NOP | Daily Mail | 51.2% | 40.4% | 6.5% | 10.8 |
| 18 Jun 1970 | 1970 general election | 1970 general election | 46.2% | 43.8% | 7.6% | 2.4 |