- Saturday 25 July- All London delivery offices except Rathbone Place and Mount Pleasant deliveries
- Tuesday 28 July- East London Mail Centre, Mount Pleasant mail centre, Mount Pleasant delivery centre.
- Wednesday 29 July- Princess Royal distribution centre, Thurrock distribution centre
- Thursday 30, Friday 31 July, Saturday 1 August- rolling selective action in London delivery offices
- Friday 31 July- Rathbone Place
A further 450 delivery offices across the UK are now balloting.
This could mean up to 30,000 workers walking out next month.