Kensington South [E] Conservative hold
| Sir W Davison | Conservative | 38,297 | 88.91% |
| CH Hartwell | Labour | 4,779 | 11.09% |
Electorate: 69,520; Total vote: 43,076; Turnout: 61.96%; Majority: 33,518 (77.81%)
Kettering [E] Conservative hold
| JF Eastwood | Conservative | 22,885 | 52.10% |
| JR Sadler | Labour | 21,042 | 47.90% |
Electorate: 56,850; Total vote: 43,927; Turnout: 77.27%; Majority: 1,843 (4.20%)
Kidderminster [E] Conservative hold
| Sir JS Wardlaw-Milne | Conservative | 28,494 | 69.53% |
| C Coombes | Labour | 12,485 | 30.47% |
Electorate: 68,098; Total vote: 40,979; Turnout: 60.18%; Majority: 16,009 (39.07%)
Kilmarnock [S] National Labour hold
| K Lindsay | National Labour | 19,115 | 50.84% |
| J Crawford | Labour | 12,558 | 33.40% |
| J Pollock | Ind Lab Party | 3,582 | 9.53% |
| TW Campbell | Independent | 2,346 | 6.24% |
Electorate: 47,734; Total vote: 37,601; Turnout: 78.77%; Majority: 6,557 (17.44%)
King's Lynn [E] Conservative hold
| SA Maxwell | Conservative | 17,492 | 50.02% |
| F Emerson | Labour | 12,062 | 34.49% |
| F Darvall | Liberal | 5,418 | 15.49% |
Electorate: 48,764; Total vote: 34,972; Turnout: 71.72%; Majority: 5,430 (15.53%)
Kingston upon Thames [E] Conservative hold
| Sir GF Penny | Conservative | 32,953 | 67.53% |
| GH Loman | Labour | 10,014 | 20.52% |
| FJ Powell | Liberal | 5,832 | 11.95% |
Electorate: 74,476; Total vote: 48,799; Turnout: 65.52%; Majority: 22,939 (47.01%)
Kingswinford [E] Labour gain
| A Henderson | Labour | 20,925 | 50.02% |
| ALS Todd | Conservative | 20,909 | 49.98% |
Electorate: 58,490; Total vote: 41,834; Turnout: 71.52%; Majority: 16 (0.04%)
Kinross & Western Perthshire [S] Conservative hold
| Duchess of Atholl | Conservative | 15,238 | 60.21% |
| Mrs CA MacDonald | Liberal | 10,069 | 39.79% |
Electorate: 34,232; Total vote: 25,307; Turnout: 73.93%; Majority: 5,169 (20.43%)
Kirkcaldy [S] Labour gain
| T Kennedy | Labour | 19,457 | 56.33% |
| A Russell | Conservative | 15,086 | 43.67% |
Electorate: 43,232; Total vote: 34,543; Turnout: 79.90%; Majority: 4,371 (12.65%)
Knutsford [E] Conservative hold
| Brig-Gen E Makins | Conservative | 30,252 | 63.68% |
| HH Heathcote-Williams | Liberal | 17,253 | 36.32% |
Electorate: 62,230; Total vote: 47,505; Turnout: 76.34%; Majority: 12,999 (27.36%)
Lambeth North [E] Labour hold
| GR Strauss | Labour | 10,577 | 55.38% |
| E Terrell | Liberal | 8,521 | 44.62% |
Electorate: 35,211; Total vote: 19,098; Turnout: 54.24%; Majority: 2,056 (10.77%)
Lanark [S] Conservative hold
| Lord Dunglass | Conservative | 17,759 | 56.75% |
| J Gibson | Labour | 10,950 | 34.99% |
| W Carlin | Ind Lab Party | 2,583 | 8.25% |
Electorate: 41,197; Total vote: 31,292; Turnout: 75.96%; Majority: 6,809 (21.76%)
Lanarkshire Northern [S] Conservative hold
| WJ Anstruther-Gray | Conservative | 22,301 | 48.13% |
| Mrs A Bevan | Ind Lab Party | 17,267 | 37.27% |
| G McAlister | Labour | 6,763 | 14.60% |
Electorate: 59,307; Total vote: 46,331; Turnout: 78.12%; Majority: 5,034 (10.87%)
Lancaster [E] Conservative hold
| H Ramsbotham | Conservative | 26,632 | 53.67% |
| RP Tomlinson | Liberal | 13,054 | 26.31% |
| C Royle | Labour | 9,938 | 20.03% |
Electorate: 62,792; Total vote: 49,624; Turnout: 79.03%; Majority: 13,578 (27.36%)
Leeds Central [E] National Labour hold
| RD Denman | National Labour | 17,747 | 56.43% |
| FW Lindley | Labour | 13,701 | 43.57% |
Electorate: 51,182; Total vote: 31,448; Turnout: 61.44%; Majority: 4,046 (12.87%)
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Leeds North [E] Conservative hold
| O Peake | Conservative | 30,636 | 68.96% |
| LJ Edwards | Labour | 13,792 | 31.04% |
Electorate: 66,551; Total vote: 44,428; Turnout: 66.76%; Majority: 16,844 (37.91%)
Leeds North East [E] Conservative hold
| Sir JD Birchall | Conservative | 25,915 | 64.80% |
| AJ Dobbs | Labour | 14,080 | 35.20% |
Electorate: 60,509; Total vote: 39,995; Turnout: 66.10%; Majority: 11,835 (29.59%)
Leeds South [E] Labour gain
| HC Charleton | Labour | 15,223 | 46.03% |
| BNH Whiteside | Conservative | 14,207 | 42.96% |
| W Townend | Independent | 3,642 | 11.01% |
Electorate: 44,886; Total vote: 33,072; Turnout: 73.68%; Majority: 1,016 (3.07%)
Leeds South East [E] Labour hold
| Maj J Milner | Labour | 19,552 | 65.73% |
| PR Le Mesurier | Conservative | 10,192 | 34.27% |
Electorate: 47,555; Total vote: 29,744; Turnout: 62.55%; Majority: 9,360 (31.47%)
Leeds West [E] Conservative hold
| V Adams | Conservative | 20,545 | 54.27% |
| TW Stamford | Labour | 17,311 | 45.73% |
Electorate: 53,727; Total vote: 37,856; Turnout: 70.46%; Majority: 3,234 (8.54%)
Leek [E] Labour gain
| W Bromfield | Labour | 23,432 | 57.36% |
| LM Thomas | National Labour | 17,419 | 42.64% |
Electorate: 50,875; Total vote: 40,851; Turnout: 80.30%; Majority: 6,013 (14.72%)
Leicester East [E] Conservative hold
| AM Lyons | Conservative | 20,442 | 49.28% |
| F Gould | Labour | 17,532 | 42.26% |
| F Lawson | Liberal | 3,509 | 8.46% |
Electorate: 59,109; Total vote: 41,483; Turnout: 70.18%; Majority: 2,910 (7.01%)
Leicester South [E] Conservative hold
| Capt C Waterhouse | Conservative | 24,868 | 64.99% |
| L Maddock | Labour | 13,395 | 35.01% |
Electorate: 54,500; Total vote: 38,263; Turnout: 70.21%; Majority: 11,473 (29.98%)
Leicester West [E] National Labour gain
| HG Nicolson | National Labour | 15,821 | 43.73% |
| J Morgan | Labour | 15,734 | 43.49% |
| HE Crawfurd | Liberal | 4,621 | 12.77% |
Electorate: 54,134; Total vote: 36,176; Turnout: 66.83%; Majority: 87 (0.24%)
Leigh [E] Labour hold
| JJ Tinker | Labour | Unopposed | —% |
Electorate: 54,274; Turnout: —%; Majority: — (—%)
Leith [S] Liberal National hold
| E Brown | Liberal National | 18,888 | 57.75% |
| DC Thomson | Labour | 13,818 | 42.25% |
Electorate: 49,933; Total vote: 32,706; Turnout: 65.50%; Majority: 5,070 (15.50%)
Leominster [E] Conservative hold
| Sir E Shepperson | Conservative | 14,180 | 53.22% |
| AE Farr | Liberal | 12,465 | 46.78% |
Electorate: 34,079; Total vote: 26,645; Turnout: 78.19%; Majority: 1,715 (6.44%)
Lewes [E] Conservative hold
| Capt J de Vere Loder | Conservative | 24,644 | 70.01% |
| FR Hancock | Labour | 10,559 | 29.99% |
Electorate: 54,658; Total vote: 35,203; Turnout: 64.41%; Majority: 14,085 (40.01%)
Lewisham East [E] Conservative hold
| Sir A Pownall | Conservative | 32,874 | 55.44% |
| Mrs F Corbet | Labour | 26,425 | 44.56% |
Electorate: 87,178; Total vote: 59,299; Turnout: 68.02%; Majority: 6,449 (10.88%)
Lewisham West [E] Conservative hold
| Sir P Dawson | Conservative | 27,173 | 64.73% |
| RMM Stewart | Labour | 14,803 | 35.27% |
Electorate: 65,679; Total vote: 41,976; Turnout: 63.91%; Majority: 12,370 (29.47%)
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