How much water do you need?
The 3-day checklist
Tick what you already have, then build up the rest a little at a time. You do not need to buy it all at once.
01 / WATER
- 3 litres of drinking water per person, per day, for 3 days (9 litres each)
- Extra water for cooking and washing
- Extra bottled water for pets
Source: Be Ready
02 / FOOD
- 3 days of food that needs no fridge and no cooking: tins, dried fruit, nuts
- Food your household normally eats
- Pet food
Source: Be Ready
03 / LIGHT AND WARMTH
- Torch with spare batteries (safer than candles)
- Blankets or sleeping bags
- Warm clothing for everyone
Source: Be Ready
04 / POWER AND INFORMATION
- Battery or wind-up FM radio
- Local and national radio frequencies written down
- Charged power bank for phones or compatible medical devices
Source: Be Ready
05 / HEALTH AND HYGIENE
- First aid kit: plasters, bandages, thermometer, antiseptic, dressings, gloves, tweezers
- Essential medicines and supplies
- Repeat prescriptions ordered at least 5 working days before they run out
- Hand sanitiser, wet wipes and hygiene products
Source: Be Ready
06 / BABIES
- Baby formula (ready-to-feed is recommended)
- Nappies and wipes
Source: Be Ready
07 / CASH AND DOCUMENTS
- A mix of notes and coins, in case card payments and cash machines stop
- Copies of ID and important papers: passports, birth certificates, insurance
- Instructions for any medical equipment you rely on
Source: Be Ready
08 / CONTACTS AND PLAN
- Emergency contacts written down, on paper
- Who you would check on, such as an older neighbour or relative
- List of regular medication and doses
- A conversation with neighbours about what you could share
Source: Be Ready
Keep it current
09 / CHECK AND REFRESH
- Check what you already have before you buy anything
- Build stock up gradually to spread the cost
- Check use-by dates and batteries regularly
Source: Be Ready
WRITE IT DOWN
Five things the list does not mention
These come from other official sources, not from Be Ready. They are the gaps READY/ sees most often when people make a plan.
POWER CUT NUMBERS
- England, Scotland and Wales: call 105 (free) to report or check a power cut
- Northern Ireland: NIE Networks 03457 643 643
Source: Power Cut 105; Belfast City Council
FLOODS
- Sign up for free flood warnings: Floodline 0345 988 1188 (England, Scotland, Wales)
- Northern Ireland: Flooding Incident Line 0300 2000 100
- Met Office weather warnings and flood warnings are separate. Check both
Source: GOV.UK Floodline; Met Office
EXTRA HELP IN AN OUTAGE
- Join your energy and water companies' free Priority Services Register if someone at home may need extra help
- Eligibility examples include State Pension age, disability or a long-term medical condition, pregnancy, and children under 5
CARBON MONOXIDE
- Never cook or heat indoors with a barbecue, camping stove or other outdoor appliance
- Fit a CO alarm in every room with an appliance that burns gas, oil, coal or wood
FOOD IN A POWER CUT
- Keep fridge and freezer doors closed as much as possible
- Know where your internal stop tap is before the water goes off
Printed from readyplans.uk/be-ready-checklist.html. Independent checklist, not an official government publication. Be Ready advice checked 04/11/2026.
Questions
How much water should I store for 3 days?
The Government's Be Ready advice is 3 litres of drinking water per person per day, so 9 litres each for 3 days, plus extra for cooking, washing and pets.
How much cash should I keep at home?
Be Ready does not give a set figure. It suggests a mix of notes and coins, and says the right amount depends on what your household needs to cover essentials if card payments or cash machines stop working.
Is this the official Be Ready checklist?
No. READY/ is independent and this page is not connected to the Government. It puts the published Be Ready advice into a printable, tick-box format and adds a few points from other official sources. For the original advice, go to UK Government, Be Ready for emergencies.
Why 3 days?
Three days is the baseline the Be Ready campaign uses for keeping a household going during disruption such as a power cut, water outage or severe weather, while help and repairs arrive.
Sources
- UK Government, Be Ready for emergencies, checked 04/11/2026
- Power Cut 105, checked 04/11/2026
- GOV.UK, Sign up for flood warnings, checked 04/11/2026
- Ofgem, Priority Services Register, checked 03/11/2026
- NHS, Carbon monoxide poisoning, checked 04/11/2026
- Food Standards Agency, Food safety in a power cut, checked 04/11/2026
- Belfast City Council, Emergency contact numbers, checked 04/11/2026
Page reviewed: 4 November 2026.