| Simulation of proposed AV system in UK applied to 2010 election results | First-choice votes polled by candidate who won under AV (percentage of total constituency votes) | Second- or third-choice votes from those initially choosing other parties, re-assigned under AV | Total votes picked up by the candidate winning under AV | Votes from those whose first choice was not the winning candidate and whose second- or third-choice vote was discarded under AV | ||||||
| English | Winning Candidate (Elected as MP) | Winning Party | ||||||||
| Constituencies / Seats in UK Parliament | ||||||||||
| From: To: | ||||||||||
| Beverley and Holderness | [No predicted changes under AV] | |||||||||
| Bournemouth West | Number | % | Number | % | Number | % | Number | % | ||
| Beverley and Holderness | Stuart, Graham | Conservative | 25,063 | 47.1% | 1,352 | 2.5% | 26,415 | 49.7% | 26,784 | 50.3% |
| Bexhill and Battle | Barker, Greg | Conservative | 28,147 | 51.6% | 0 | 0.0% | 28,147 | 51.6% | 26,440 | 48.4% |
| Bexleyheath and Crayford | Evennett, David | Conservative | 21,794 | 50.5% | 0 | 0.0% | 21,794 | 50.5% | 21,388 | 49.5% |
| Birkenhead | Field, Frank | Labour | 22,082 | 62.5% | 0 | 0.0% | 22,082 | 62.5% | 13,241 | 37.5% |
| Birmingham Edgbaston | Stuart, Gisela | Labour | 16,894 | 40.6% | 2,020 | 4.9% | 18,914 | 45.5% | 22,657 | 54.5% |
| Birmingham Erdington | Dromey, Jack | Labour | 14,869 | 42.4% | 1,696 | 4.8% | 16,565 | 47.2% | 18,512 | 52.8% |
| Birmingham Hall Green | Godsiff, Roger | Labour | 16,039 | 32.9% | 1,759 | 3.6% | 17,798 | 36.5% | 30,929 | 63.5% |
| Birmingham Hodge Hill | Byrne, Liam | Labour | 22,077 | 52.0% | 0 | 0.0% | 22,077 | 52.0% | 20,395 | 48.0% |
| Birmingham Ladywood | Mahmood, Shabana | Labour | 19,950 | 55.7% | 0 | 0.0% | 19,950 | 55.7% | 15,883 | 44.3% |
| Birmingham Northfield | Burden, Richard | Labour | 16,841 | 40.3% | 2,198 | 5.3% | 19,039 | 45.5% | 22,775 | 54.5% |
| Birmingham Perry Barr | Mahmood, Khalid | Labour | 21,142 | 50.3% | 0 | 0.0% | 21,142 | 50.3% | 20,903 | 49.7% |
| Birmingham Selly Oak | McCabe, Steve | Labour | 17,950 | 38.5% | 3,143 | 6.7% | 21,093 | 45.3% | 25,470 | 54.7% |
| Birmingham Yardley | Hemming, John | Lib-Dem | 16,162 | 39.6% | 2,937 | 7.2% | 19,099 | 46.8% | 21,751 | 53.2% |
| Bishop Auckland | Goodman, Helen | Labour | 16,023 | 39.0% | 2,888 | 7.0% | 18,911 | 46.0% | 22,225 | 54.0% |
| Blackburn | Straw, Jack | Labour | 21,751 | 47.8% | 413 | 0.9% | 22,164 | 48.7% | 23,335 | 51.3% |
| Blackley and Broughton | Stringer, Graham | Labour | 18,563 | 54.3% | 0 | 0.0% | 18,563 | 54.3% | 15,641 | 45.7% |
| Blackpool North and Cleveleys | Maynard, Paul | Conservative | 16,964 | 41.8% | 1,584 | 3.9% | 18,548 | 45.7% | 22,043 | 54.3% |
| Blackpool South | Marsden, Gordon | Labour | 14,448 | 41.1% | 1,580 | 4.5% | 16,028 | 45.5% | 19,163 | 54.5% |
| Blaydon | Anderson, Dave | Labour | 22,297 | 49.6% | 114 | 0.3% | 22,411 | 49.9% | 22,502 | 50.1% |
| Blyth Valley | Campbell, Ronnie | Labour | 17,156 | 44.5% | 791 | 2.1% | 17,947 | 46.5% | 20,619 | 53.5% |
| Bognor Regis and Littlehampton | Gibb, Nick | Conservative | 24,087 | 51.4% | 0 | 0.0% | 24,087 | 51.4% | 22,765 | 48.6% |
| Bolsover | Skinner, Dennis | Labour | 21,994 | 50.0% | 172 | 0.4% | 22,166 | 50.4% | 21,822 | 49.6% |
| Bolton North East | Crausby, David | Labour | 19,870 | 45.9% | 1,639 | 3.8% | 21,509 | 49.7% | 21,768 | 50.3% |
| Bolton South East | Qureshi, Yasmin | Labour | 18,782 | 47.4% | 516 | 1.3% | 19,298 | 48.7% | 20,306 | 51.3% |
| Bolton West | Hilling, Julie | Labour | 18,327 | 38.5% | 2,564 | 5.4% | 20,891 | 43.9% | 26,685 | 56.1% |
| Bootle | Benton, Joe | Labour | 27,426 | 66.4% | 0 | 0.0% | 27,426 | 66.4% | 13,851 | 33.6% |
| Boston and Skegness | Simmonds, Mark | Conservative | 21,325 | 49.4% | 698 | 1.6% | 22,023 | 51.1% | 21,102 | 48.9% |
| Bosworth | Tredinnick, David | Conservative | 23,132 | 42.1% | 1,684 | 3.1% | 24,816 | 45.2% | 30,073 | 54.8% |
| Bournemouth East | Ellwood, Tobias | Conservative | 21,320 | 48.4% | 775 | 1.8% | 22,095 | 50.2% | 21,929 | 49.8% |
| Bournemouth West | Burns, Conor | Conservative | 18,808 | 45.1% | 1,110 | 2.7% | 19,918 | 47.8% | 21,741 | 52.2% |
| Results based on simulation program AVOTER (AV Operational Testing, Evaluation and Research) | ||||||||||