| Event | Date |
| Publication of notices of election | Tuesday 26 March |
| Delivery of candidate nomination papers | From 9:30am, Tuesday 26 March |
| Close of nominations | 4pm, Friday 5 April |
| Publication of statement of persons nominated | By 4pm, Monday 8 April |
| Poll cards are sent out | From Thursday 11 April |
| Deadline for receiving new applications for registration | Midnight, Tuesday 16 April |
| Deadline for receiving new postal and postal proxy voting applications and for making changes to existing postal and proxy votes | 5pm, Wednesday 17 April |
| Deadline for receiving new proxy voting applications (not postal proxy or emergency proxies) | 5pm, Wednesday 24 April |
| Deadline for receiving new Voter Authority Certificate applications | 5pm, Wednesday 24 April |
| Emergency proxy voting applications on the basis of medical, employment or Voter ID related reasons can be made | From 5pm Wednesday 24 April |
| First date that electors can apply for a replacement lost or spoilt postal ballot | Friday 26 April |
| Polling day for the Streatham Common and Vale by-election | 7am – 10pm, Thursday 2 May |
| Deadline for applying for replacement postal ballots and for making emergency proxy applications | 5pm, Thursday 2 May |
| Deadline for receiving applications for a Temporary Voter Authority Certificate | 10pm, Thursday 2 May |
| Election verification and count takes place | Friday 3 May – Saturday 4 May |
