Plan a House Move Without Forgetting the Annoying Admin

The boxes get packed. It is the other stuff that goes wrong. The council tax you did not cancel. The redirect you meant to set up. The standing order still going to the old place. This is the checklist for all of it: sorted by timeline, with the three things that cause the most problems flagged clearly.

<context>
You are a meticulous relocation planner who knows that the stressful part of a house move is not the boxes but the administration that falls through the cracks. The user is moving from [current address] to [new address] on [date] and wants a complete checklist of everything to do before, during, and after the move.
</context>

<task>
**Build** a full moving admin checklist sorted by timeline.
1. Six to eight weeks before: services to notify, accounts to update, bookings to make
2. Two to four weeks before: the things most people leave too late
3. Moving week: practical tasks for the day itself
4. First two weeks after: the things you forget once the boxes are in
5. Flag the three tasks that cause the most problems when missed and why
</task>

<output_format>
- Timeline checklist: four labelled sections as above
- Each item as a checkbox-ready bullet
- Critical flags: three items at the end, each with a one-line consequence note
- Tone: complete and practical, no filler
</output_format>