| 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: | ||||||||||
| Hexham | AV changes underlined | |||||||||
| Knowsley | Number | % | Number | % | Number | % | Number | % | ||
| Hexham | Opperman, Guy | Conservative | 18,795 | 43.2% | 910 | 2.1% | 19,705 | 45.3% | 23,778 | 54.7% |
| Heywood and Middleton | Dobbin, Jim | Labour | 18,499 | 40.1% | 3,009 | 6.5% | 21,508 | 46.6% | 24,617 | 53.4% |
| High Peak | Bingham, Andrew | Conservative | 20,587 | 40.9% | 1,636 | 3.3% | 22,223 | 44.1% | 28,114 | 55.9% |
| Hitchin and Harpenden | Lilley, Peter | Conservative | 29,869 | 54.6% | 0 | 0.0% | 29,869 | 54.6% | 24,838 | 45.4% |
| Holborn and St Pancras | Dobson, Frank | Labour | 25,198 | 46.1% | 1,225 | 2.2% | 26,423 | 48.4% | 28,226 | 51.6% |
| Hornchurch and Upminster | Watkinson, Angela | Conservative | 27,469 | 51.4% | 0 | 0.0% | 27,469 | 51.4% | 25,921 | 48.6% |
| Hornsey and Wood Green | Featherstone, Lynne | Lib-Dem | 25,595 | 46.5% | 3,108 | 5.6% | 28,703 | 52.1% | 26,339 | 47.9% |
| Horsham | Maude, Francis | Conservative | 29,447 | 52.7% | 0 | 0.0% | 29,447 | 52.7% | 26,394 | 47.3% |
| Houghton and Sunderland South | Phillipson, Bridget | Labour | 19,137 | 50.3% | 0 | 0.0% | 19,137 | 50.3% | 18,884 | 49.7% |
| Hove | Barlow, Celia | Labour | 16,426 | 33.0% | 3,934 | 7.9% | 20,360 | 40.9% | 29,459 | 59.1% |
| Huddersfield | Sheerman, Barry | Labour | 15,725 | 38.8% | 3,296 | 8.1% | 19,021 | 46.9% | 21,503 | 53.1% |
| Hull East | Turner, Karl | Labour | 16,387 | 47.9% | 451 | 1.3% | 16,838 | 49.3% | 17,346 | 50.7% |
| Hull North | Healy, Denis | Lib-Dem | 12,403 | 37.3% | 1,918 | 5.8% | 14,321 | 43.0% | 18,970 | 57.0% |
| Hull West and Hessle | Johnson, Alan | Labour | 13,378 | 42.5% | 776 | 2.5% | 14,154 | 44.9% | 17,351 | 55.1% |
| Huntingdon | Djanogly, Jonathan | Conservative | 26,516 | 48.9% | 148 | 0.3% | 26,664 | 49.1% | 27,602 | 50.9% |
| Hyndburn | Jones, Graham | Labour | 17,531 | 41.1% | 2,027 | 4.8% | 19,558 | 45.8% | 23,114 | 54.2% |
| Ilford North | Scott, Lee | Conservative | 21,506 | 45.7% | 1,519 | 3.2% | 23,025 | 49.0% | 23,993 | 51.0% |
| Ilford South | Gapes, Mike | Labour | 25,301 | 49.4% | 196 | 0.4% | 25,497 | 49.8% | 25,694 | 50.2% |
| Ipswich | Gummer, Ben | Conservative | 18,371 | 39.1% | 1,837 | 3.9% | 20,208 | 43.0% | 26,733 | 57.0% |
| Isle of Wight | Turner, Andrew | Conservative | 32,810 | 46.7% | 1,444 | 2.1% | 34,254 | 48.8% | 36,010 | 51.2% |
| Islington North | Corbyn, Jeremy | Labour | 24,276 | 54.5% | 0 | 0.0% | 24,276 | 54.5% | 20,278 | 45.5% |
| Islington South and Finsbury | Thornberry, Emily | Labour | 18,407 | 42.3% | 849 | 1.9% | 19,256 | 44.2% | 24,299 | 55.8% |
| Jarrow | Hepburn, Stephen | Labour | 20,910 | 53.9% | 0 | 0.0% | 20,910 | 53.9% | 17,874 | 46.1% |
| Keighley | Hopkins, Kris | Conservative | 20,003 | 41.9% | 1,832 | 3.8% | 21,835 | 45.8% | 25,857 | 54.2% |
| Kenilworth and Southam | Wright, Jeremy | Conservative | 25,945 | 53.6% | 0 | 0.0% | 25,945 | 53.6% | 22,486 | 46.4% |
| Kensington | Rifkind, Malcolm | Conservative | 17,595 | 50.1% | 0 | 0.0% | 17,595 | 50.1% | 17,555 | 49.9% |
| Kettering | Hollobone, Philip | Conservative | 23,247 | 49.1% | 495 | 1.0% | 23,742 | 50.2% | 23,586 | 49.8% |
| Kingston and Surbiton | Davey, Edward | Lib-Dem | 28,428 | 49.8% | 95 | 0.2% | 28,523 | 49.9% | 28,588 | 50.1% |
| Kingswood | Skidmore, Chris | Conservative | 19,362 | 40.4% | 1,802 | 3.8% | 21,164 | 44.2% | 26,742 | 55.8% |
| Knowsley | Howarth, George | Labour | 31,650 | 70.9% | 0 | 0.0% | 31,650 | 70.9% | 13,008 | 29.1% |
| Results based on simulation program AVOTER (AV Operational Testing, Evaluation and Research) | ||||||||||