Darlington [E] Conservative hold
| CU Peat | Conservative | 22,320 | 55.21% |
| AL Shepherd | Labour | 18,105 | 44.79% |
Electorate: 47,676; Total vote: 40,425; Turnout: 84.79%; Majority: 4,215 (10.43%)
Dartford [E] Conservative hold
| F Clarke | Conservative | 38,242 | 51.79% |
| Mrs JL Adamson | Labour | 35,596 | 48.21% |
Electorate: 106,043; Total vote: 73,838; Turnout: 69.63%; Majority: 2,646 (3.58%)
Darwen [E] Conservative gain
| SHM Russell | Conservative | 15,299 | 41.11% |
| Sir H Samuel | Liberal | 14,135 | 37.99% |
| Mrs F Kerby | Labour | 7,778 | 20.90% |
Electorate: 41,390; Total vote: 37,212; Turnout: 89.91%; Majority: 1,164 (3.13%)
Daventry [E] Conservative hold
| Capt EA FitzRoy | Conservative | 18,934 | 63.75% |
| TE Barnes | Labour | 10,767 | 36.25% |
Electorate: 39,095; Total vote: 29,701; Turnout: 75.97%; Majority: 8,167 (27.50%)
Denbigh [W] Liberal National hold
| Dr JH Morris-Jones | Liberal National | 17,372 | 50.12% |
| JC Davies | Liberal | 12,329 | 35.57% |
| JR Hughes | Labour | 4,963 | 14.32% |
Electorate: 46,158; Total vote: 34,664; Turnout: 75.10%; Majority: 5,043 (14.55%)
Deptford [E] Labour gain
| WH Green | Labour | 27,021 | 57.31% |
| Sir M Campbell | Conservative | 20,129 | 42.69% |
Electorate: 68,026; Total vote: 47,150; Turnout: 69.31%; Majority: 6,892 (14.62%)
Derby (2) [E] 1 Conservative hold, 1 National Labour hold
| WA Reid | Conservative | 37,707 | 30.19% |
| JH Thomas | National Labour | 37,566 | 30.08% |
| HA Hind | Labour | 25,037 | 20.04% |
| LJ Barnes | Labour | 24,594 | 19.69% |
Derbyshire North Eastern [E] Labour gain
| F Lee | Labour | 25,382 | 57.21% |
| HBT Cox | Conservative | 15,802 | 35.61% |
| AT Marwood | Liberal | 3,186 | 7.18% |
Electorate: 56,967; Total vote: 44,370; Turnout: 77.89%; Majority: 9,580 (21.59%)
Derbyshire Southern [E] Conservative hold
| PV Emrys-Evans | Conservative | 31,321 | 51.53% |
| FAP Rowe | Labour | 29,462 | 48.47% |
Electorate: 82,647; Total vote: 60,783; Turnout: 73.55%; Majority: 1,859 (3.06%)
Derbyshire Western [E] Conservative hold
| Marquess of Hartington | Conservative | Unopposed | —% |
Electorate: 42,968; Turnout: —%; Majority: — (—%)
Devizes [E] Conservative hold
| Sir P Hurd | Conservative | 14,438 | 59.32% |
| Miss FL Josephy | Liberal | 9,903 | 40.68% |
Electorate: 33,715; Total vote: 24,341; Turnout: 72.20%; Majority: 4,535 (18.63%)
Dewsbury [E] Labour gain
| B Riley | Labour | 14,066 | 47.21% |
| J Fennell | National Labour | 8,798 | 29.53% |
| Sir WR Rea | Liberal | 6,933 | 23.27% |
Electorate: 36,875; Total vote: 29,797; Turnout: 80.81%; Majority: 5,268 (17.68%)
Doncaster [E] Labour gain
| A Short | Labour | 29,963 | 57.65% |
| AHE Molson | Conservative | 22,011 | 42.35% |
Electorate: 66,925; Total vote: 51,974; Turnout: 77.66%; Majority: 7,952 (15.30%)
Don Valley [E] Labour hold
| T Williams | Labour | 33,220 | 68.95% |
| JW Arbuthnot | Conservative | 14,961 | 31.05% |
Electorate: 68,816; Total vote: 48,181; Turnout: 70.01%; Majority: 18,259 (37.90%)
Dorset Eastern [E] Conservative hold
| GR Hall Caine | Conservative | 25,520 | 53.51% |
| FW Rafferty | Liberal | 11,349 | 23.80% |
| EJ Stocker | Labour | 10,823 | 22.69% |
Electorate: 64,068; Total vote: 47,692; Turnout: 74.44%; Majority: 14,171 (29.71%)
Dorset Northern [E] Conservative hold
| Sir C Hanbury | Conservative | 13,055 | 50.10% |
| W Borthwick | Liberal | 9,871 | 37.88% |
| Capt GH Pitt-Rivers | Independent | 1,771 | 6.80% |
| Miss M Whitehead | Labour | 1,360 | 5.22% |
Dorset Southern [E] Conservative hold
| Viscount Cranborne | Conservative | 17,637 | 57.88% |
| A Wiltshire | Labour | 8,580 | 28.16% |
| FW King | Liberal | 4,255 | 13.96% |
Electorate: 43,499; Total vote: 30,472; Turnout: 70.05%; Majority: 9,057 (29.72%)
Dorset Western [E] Conservative hold
| Maj WP Colfox | Conservative | 13,825 | 54.09% |
| GE Chappell | Liberal | 11,735 | 45.91% |
Electorate: 32,817; Total vote: 25,560; Turnout: 77.89%; Majority: 2,090 (8.18%)
Dover [E] Conservative hold
| Maj JJ Astor | Conservative | 25,884 | 63.96% |
| WH Bennett | Labour | 14,588 | 36.04% |
Electorate: 58,183; Total vote: 40,472; Turnout: 69.56%; Majority: 11,296 (27.91%)
Down (2) [N] 2 Unionist holds
| DD Reid | Unionist | 66,324 | 43.52% |
| Visct Castlereagh | Unionist | 65,829 | 43.20% |
| P O'Hagan | Republican | 20,236 | 13.28% |
Electorate: 134,467; Total vote: 152,389; Turnout: 56.66%; Majority: 45,593 (29.92%)
Dudley [E] Conservative hold
| DJB Joel | Conservative | 13,958 | 54.81% |
| WW Benn | Labour | 11,509 | 45.19% |
Electorate: 33,823; Total vote: 25,467; Turnout: 75.29%; Majority: 2,449 (9.62%)
Dulwich [E] Conservative hold
| B Smith | Conservative | 16,870 | 60.78% |
| Lt-Col JV Delahaye | Labour | 7,142 | 25.73% |
| Dr CR Cooke-Taylor | Liberal | 3,743 | 13.49% |
Electorate: 42,206; Total vote: 27,755; Turnout: 65.76%; Majority: 9,728 (35.05%)
Dumbarton [S] Labour hold
| D Kirkwood | Labour | 20,409 | 65.17% |
| MJ McCracken | Conservative | 10,909 | 34.83% |
Electorate: 39,744; Total vote: 31,318; Turnout: 78.80%; Majority: 9,500 (30.33%)
Dumbartonshire [S] Conservative hold
| Commdr AD Cochrane | Conservative | 24,776 | 50.26% |
| T Cassells | Labour | 20,679 | 41.95% |
| R Gray | Independent | 3,841 | 7.79% |
Electorate: 61,216; Total vote: 49,296; Turnout: 80.53%; Majority: 4,097 (8.31%)
Dumfries [S] Liberal National hold
| Sir H Fildes | Liberal National | 22,053 | 65.37% |
| J Downie | Labour | 11,685 | 34.63% |
Electorate: 45,847; Total vote: 33,738; Turnout: 73.59%; Majority: 10,368 (30.73%)
Dundee (2) [S] 1 Conservative hold, 1 Liberal hold
| Miss F Horsbrugh | Conservative | 50,542 | 26.83% |
| DM Foot | Liberal | 49,632 | 26.35% |
| M Marcus | Labour | 44,457 | 23.60% |
| R Gibson | Labour | 43,747 | 23.22% |
Dunfermline [S] Labour gain
| WM Watson | Labour | 16,271 | 52.29% |
| Sir J Wallace | Liberal National | 14,848 | 47.71% |
Electorate: 38,134; Total vote: 31,119; Turnout: 81.60%; Majority: 1,423 (4.57%)
Durham [E] Labour gain
| J Ritson | Labour | 21,517 | 59.07% |
| W McKeag | Liberal National | 14,910 | 40.93% |
Electorate: 42,753; Total vote: 36,427; Turnout: 85.20%; Majority: 6,607 (18.14%)
Ealing [E] Conservative hold
| Sir F Sanderson | Conservative | 28,472 | 74.06% |
| M Auliff | Labour | 9,972 | 25.94% |
Electorate: 55,657; Total vote: 38,444; Turnout: 69.07%; Majority: 18,500 (48.12%)
Eastbourne [E] Conservative hold
| CS Taylor | Conservative | Unopposed | —% |
Electorate: 53,257; Turnout: —%; Majority: — (—%)
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