The tables below show results for all UK by-elections held for seats at Westminster from the 1997 general election to 2001, arranged in chronological order.
|
| Constituency |
Result |
Member |
Majority |
Swing |
From/To |
Turnout |
Reason |
Date |
| Uxbridge |
C hold |
John Randall |
3766 |
5 |
L to C |
55.5 |
Death of Sir Michael Shersby |
31/7/97 |
| Paisley South |
L hold |
Douglas Alexander |
2731 |
11.2 |
L to SNP |
43.1 |
Death of Gordon McMaster |
6/11/97 |
| Beckenham |
C hold |
Jacqui Lait |
1227 |
2.6 |
C to L |
43.6 |
Resignation of Piers Merchant |
20/11/97 |
| Winchester |
LD hold |
Mark Oaten |
21556 |
19.8 |
C to LD |
68.7 |
Re-run after result challenged |
20/11/97 |
| Leeds Central |
L hold |
Hilary Benn |
2293 |
20.5 |
L to LD |
19.6 |
Death of Derek Fatchett |
10/6/99 |
| Eddisbury |
C hold |
Stephen O'Brien |
1606 |
1.1 |
L to C |
51.4 |
Sir Alastair Goodlad resigned |
22/7/99 |
| Hamilton South |
L hold |
Bill Tynan |
556 |
22.6 |
L to SNP |
41.3 |
George Robertson granted peerage |
23/9/99 |
| Wigan |
L hold |
Neil Turner |
6729 |
6.1 |
L to LD |
25 |
Death of Rogert Stott |
23/9/99 |
| Kensington & Chelsea |
C hold |
Michael Portillo |
6706 |
4.4 |
L to C |
29.7 |
Death of Alan Clarke |
25/11/99 |
| Ceredigion |
PC hold |
Simon Thomas |
4948 |
8.2 |
L to LD |
45.6 |
Resignation of Cynog Dafis |
3/2/00 |
| Romsey |
LD gain |
Sandra Gidley |
3311 |
12.6 |
C to LD |
55.5 |
Death of Michael Colvi |
4/5/00 |
| Tottenham |
L hold |
David Lammy |
5646 |
12.1 |
L to LD |
25.4 |
Death of Bernie Grant |
22/6/00 |
| South Antrim |
DUP gain |
Rev William McCrae |
822 |
30.1 |
UUP to DUP |
43 |
Death of Clifford Forsythe |
21/9/00 |
| Preston |
L hold |
Mark Hendrick |
4426 |
9.1 |
L to C |
29.6 |
Death of Audrey Wise |
23/11/00 |
| Glascow Anniesland |
L hold |
John Robertson |
6337 |
6.7 |
L to SNP |
38.4 |
Death of Donald Dewar |
23/11/00 |
| West Bromich West |
L hold |
Adrian Bailey |
3232 |
N/A |
N/A |
27.6 |
Resignation of Betty Boothroyd |
23/11/00 |
| Falkirk West |
L hold |
Eric Joyce |
705 |
16.1 |
L to SNP |
36.2 |
Resignation of Dennis Canavan |
21/12/00 |
|
