The last 10 minutes of each meeting will be available for the scouts to tidy up the HQ and grounds after the meeting. This is directly linked to the Scout Law

A Scout makes good use of time and is careful of possessions and property
6th Scout Law

Hall

Sweep the hall and mop up any water or mud.
Wipe down the tables and window sills
pack away any equipment left lying around

Kitchen

Wash up any cups or kitchen equipment which was used.
Wipe down the kitchen surfaces
Empty the kettle
Check that the fridge is clean and items inside are in date

Changing Room

Clean changing room floor

Grounds

Litter pick
Pack away any equipment
ensure doors are locked