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what to get

Say who lives with you and see your shopping list, with every amount worked out. Take off anything you already have, then send the rest to Amazon. Every figure comes from public emergency guidance.

9 litres

of water to drink, per person, for 3 days

Nine litres of water per person for three daysSix 1.5 litre bottles on a shelf, two for each of three days. Each day is 3 litres, so three days is 9 litres for one person.day 13 litresday 23 litresday 33 litres
Each bottle is 1.5 litres. 3 litres a day is the top of the WHO’s 2.5 to 3 litre minimum, as quoted by gov.uk.

your kit

72 hours

A power cut or water outage.

Any whole number of days from 1 to 90.

Price range

Totals are our own rough guide from typical UK prices, not Amazon's prices. Amazon shows the current price before you pay.

your list: 2 people, 3 days

Everything your household needs is on the list. Untick anything you already have or do not want, then send the rest to Amazon. Your choices are kept in this browser.

your shopping list

On the listHow many

Water

  • Bottled drinking waterGet first

    six-packs of 1.5 litre bottles

    18 litres: 3 litres per person per day for 2 people over 3 days. That is the top of the World Health Organisation's 2.5 to 3 litre minimum, as quoted by gov.uk.

    Free option: Refilled, clearly labelled bottles from the tap, rotated every few months, cost nothing.

    • Supermarket own-brand still water, 6 x 1.5 L · £1 to £2 a pack
    • 10 litre water container with tap · £8 to £15

    On Amazon: by Amazon still spring water, 6 x 2 litres

    Buy 2

    check price
    2
  • Containers for washing and flushing water

    large lidded containers or buckets

    Filled from the tap when a cut is announced. Up to 10 litres per person per day covers cooking and hygiene.

    Free option: A filled bath, and any clean bucket or large pan you already own.

    On Amazon: FALEIZHI 10 litre collapsible water container with tap, BPA free

    Buy 2

    check price
    2
  • Water purification tablets

    pack

    One pack treats far more than a household needs. Boiling for one minute does the same job if you can heat water.

    Free option: A pan and a heat source.

    • Chlorine or chlorine dioxide tablets, 30 to 50 pack · £5 to £10

    On Amazon: Highlander Aquaclear water purification tablets, 50 tablets, treats 50 litres

    Buy 1

    check price
    1

Food

  • Tinned or jarred meals and vegetablesGet first

    tins

    Two tins per person per day for 3 days. Beans, soup, fish, vegetables, ready meals. Things you already eat.

    Free option: Most cupboards hold a few days already. Count what you have before buying.

    • Own-brand tinned beans, soup, tuna, vegetables · 50p to £1.50 a tin

    On Amazon: by Amazon baked beans in tomato sauce, 6 x 420 g

    Buy 1

    check price

    On Amazon: by Amazon Italian chopped tomatoes, 12 x 400 g

    Buy 1

    check price

    On Amazon: by Amazon skipjack tuna chunks in spring water, 4 x 145 g

    Buy 1

    check price
    12
  • Pasta, rice or instant mash

    packs of 500 g

    About 100 g per person per day. Needs cooking, so keep some no-cook food too.

    • Own-brand pasta or rice, 500 g to 1 kg · £1 to £2

    On Amazon: by Amazon fusilli, 4 x 500 g

    Buy 1

    check price
    2
  • Food that needs no cookingGet first

    days' worth for 2 (crackers, nut butter, cereal bars, tinned fruit)

    Enough for every day you are planning for, in case the power goes. Counted separately because it is the part people forget.

    On Amazon: Nature Valley Crunchy Oats and Honey bars, 18 x 42 g

    Buy 1

    check price
    3
  • Long-life milk or plant milk

    one-litre cartons

    A quarter of a litre per person per day for tea, cereal and cooking.

    • Own-brand UHT milk or oat milk · £1 to £1.50 a litre

    On Amazon: by Amazon long-life skimmed milk, 6 x 1 litre

    Buy 1

    check price
    2
  • Porridge oats or cereal

    kg

    About 60 g per person per breakfast.

    On Amazon: by Amazon original porridge oats, 1 kg

    Buy 1

    check price
    1
  • Manual tin openerGet first

    One. Easy to forget, hard to do without.

    Free option: Check the drawer first.

    • Basic manual tin opener · £2 to £6

    On Amazon: Amazon Basics stainless steel manual tin opener

    Buy 1

    check price
    1

Power and light

  • Torches or head torchesGet first

    One per person who can hold one. Head torches leave hands free.

    Free option: A phone torch lasts an evening, not three.

    • LED torch, AA batteries · £3 to £8
    • LED head torch · £8 to £20

    On Amazon: Energizer Universal Plus LED head torch, batteries included

    Buy 2

    check price
    2
  • Spare batteries (AA and AAA)Get first

    packs of 4

    One full change for each torch, plus the radio. Alkaline keeps for years.

    • AA and AAA alkaline batteries, multipack · £4 to £10

    On Amazon: Amazon Basics AA alkaline batteries, pack of 20

    Buy 1

    check price
    3
  • Battery lantern

    One for the room everyone gathers in. Safer and brighter than candles.

    • LED camping lantern · £8 to £20

    On Amazon: Energizer PRO rechargeable LED camping lantern

    Buy 2

    check price
    2
  • Power bankGet first

    One between two people. A 10,000 mAh bank charges a phone two or three times. Keep it topped up.

    Free option: A car charger, if you have a car.

    • 10,000 mAh power bank · £12 to £25
    • 20,000 mAh power bank · £25 to £45

    On Amazon: Anker 10,000 mAh power bank, USB-C

    Buy 1

    check price
    1

Communication

  • Battery or wind-up radioGet first

    Local radio is where the updates are when data is down. Many models also charge a phone.

    • Wind-up and solar radio with torch · £15 to £30
    • DAB and FM battery radio · £30 to £60

    On Amazon: Rychi wind-up and solar AM/FM radio with torch and USB charger, 2000 mAh

    Buy 1

    check price
    1
  • Paper list of contacts and numbersGet first

    Family, neighbours, GP, 105 for power cuts, your water company, insurer. Written down, on the fridge.

    Free option: A sheet of paper. Free.

    1

First aid and medication

  • First aid kitGet first

    Plasters, dressings, bandages, antiseptic, tape, scissors, tweezers, gloves. Check dates yearly.

    Free option: Gather what is already in the bathroom cabinet into one box.

    • Standard home first aid kit · £8 to £20

    On Amazon: St John Ambulance Universal First Aid Kit

    Buy 1

    check price
    1
  • Paracetamol, ibuprofen, rehydration sachets

    packs of each

    Enough for 2 people. Children's versions if you have children.

    • Own-brand painkillers and rehydration sachets · £1 to £4 a pack
    1
  • Buffer of regular prescriptionsGet first

    extra days' supply

    14 days while you plan for under 14 days of cover. It goes up to 28 at 14 days or more. Ask your GP or pharmacist to reorder a few days early each time. Builds up without anyone going without.

    Free option: Free on prescription. Ask your GP or pharmacist.

    14
  • A pair of glasses, even if you normally wear contact lensesGet first

    pair, plus a week of lenses and a bottle of solution if you wear them

    Contact lenses need clean hands, clean water and a steady supply, and all three can run short at once. A pair of glasses does not. An old prescription beats none.

    Free option: Your last pair of glasses, kept with the kit.

    1

Sanitation

  • Toilet roll

    rolls beyond normal

    About a roll per person every three days.

    On Amazon: Our Essentials by Amazon toilet tissue, 24 rolls

    Buy 1

    check price
    2
  • Wet wipes and hand sanitiser

    packs of wipes plus one sanitiser

    For when the water is off.

    • Own-brand wipes and sanitiser · £1 to £3 each
    1
  • Alcohol hand gel

    bottles, at least 60% alcohol

    For when the water is off, and for anything infectious going round. One per two people.

    • Own-brand hand gel, 60% alcohol or more · £1 to £3

    On Amazon: Carex Complete hand sanitiser gel, 50 ml pocket size

    Buy 1

    check price
    1
  • Face masks (FFP2)

    packs of 10

    Useful in a smoke or dust event too, and if someone at home is ill and the pharmacy is shut. FFP2 filters far better than a cloth or surgical mask.

    • FFP2 masks, box of 10 or 20 · £5 to £12

    On Amazon: Omnitex FFP2 masks, box of 20, individually wrapped

    Buy 1

    check price
    1
  • Strong bin bags

    roll

    Waste, and an emergency toilet liner if flushing is impossible.

    1

Warmth

  • Blankets or sleeping bags

    One per person, for a cold cut. Plus hats, gloves and a hot-water bottle.

    Free option: Most homes already have enough bedding. Count what you have before you buy more.

    2

Cash and documents

  • Cash in small notesGet first

    pounds, roughly

    Enough for a couple of days of essentials if card machines and cash points are down.

    60
  • Copies of ID, insurance and prescriptions

    set, in a waterproof folder

    Paper and on a phone. Kept where you can grab it.

    Free option: Photocopies or photos. Free.

    1

send your list to Amazon

Amazon opens and asks you to confirm. Nothing is bought until you pay.

Some links on this page earn us a small commission. It never changes what we recommend, and the free option is always listed first. Totals are our own rough guide from typical UK prices, not Amazon's prices. Amazon shows the current price before you pay.

see each product, or other shops

other ways to buy

Where the maker or a specialist sells it, buy there first. If they do not, use Amazon.

  • Bottled drinking water

    2 six-packs of 1.5 litre bottles

    Free option: Refilled, clearly labelled bottles from the tap, rotated every few months, cost nothing.

    On Amazon:by Amazon still spring water, 6 x 2 litres, 2 ×View on Amazon

  • Containers for washing and flushing water

    2 large lidded containers or buckets

    Free option: A filled bath, and any clean bucket or large pan you already own.

    On Amazon:FALEIZHI 10 litre collapsible water container with tap, BPA free, 2 ×View on Amazon

  • Water purification tablets

    1 pack

    Free option: A pan and a heat source.

    On Amazon:Highlander Aquaclear water purification tablets, 50 tablets, treats 50 litres, 1 ×View on Amazon

  • Tinned or jarred meals and vegetables

    12 tins

    Free option: Most cupboards hold a few days already. Count what you have before buying.

    On Amazon:by Amazon baked beans in tomato sauce, 6 x 420 g, 2 ×View on Amazon

  • Pasta, rice or instant mash

    2 packs of 500 g

    On Amazon:by Amazon fusilli, 4 x 500 g, 1 ×View on Amazon

  • Food that needs no cooking

    3 days' worth for 2 (crackers, nut butter, cereal bars, tinned fruit)

    On Amazon:Nature Valley Crunchy Oats and Honey bars, 18 x 42 g, 1 ×View on Amazon

  • Long-life milk or plant milk

    2 one-litre cartons

    On Amazon:by Amazon long-life skimmed milk, 6 x 1 litre, 1 ×View on Amazon

  • Porridge oats or cereal

    1 kg

    On Amazon:by Amazon original porridge oats, 1 kg, 1 ×View on Amazon

  • Manual tin opener

    1

    Free option: Check the drawer first.

    On Amazon:Amazon Basics stainless steel manual tin opener, 1 ×View on Amazon

  • Torches or head torches

    2

    Free option: A phone torch lasts an evening, not three.

    On Amazon:Energizer Universal Plus LED head torch, batteries included, 2 ×View on Amazon

  • Spare batteries (AA and AAA)

    3 packs of 4

    On Amazon:Amazon Basics AA alkaline batteries, pack of 20, 1 ×View on Amazon

  • Battery lantern

    2

    On Amazon:Energizer PRO rechargeable LED camping lantern, 2 ×View on Amazon

  • Power bank

    1

    Free option: A car charger, if you have a car.

    On Amazon:Anker 10,000 mAh power bank, USB-C, 1 ×View on Amazon

  • Battery or wind-up radio

    1

    On Amazon:Rychi wind-up and solar AM/FM radio with torch and USB charger, 2000 mAh, 1 ×View on Amazon

  • Paper list of contacts and numbers

    1

    Free option: A sheet of paper. Free.

  • First aid kit

    1

    Free option: Gather what is already in the bathroom cabinet into one box.

    On Amazon:St John Ambulance Universal First Aid Kit, 1 ×View on Amazon

  • Paracetamol, ibuprofen, rehydration sachets

    1 packs of each

    On Amazon:Search Amazon

  • Buffer of regular prescriptions

    14 extra days' supply

    Free option: Free on prescription. Ask your GP or pharmacist.

  • A pair of glasses, even if you normally wear contact lenses

    1 pair, plus a week of lenses and a bottle of solution if you wear them

    Free option: Your last pair of glasses, kept with the kit.

    On Amazon:Search Amazon

  • Toilet roll

    2 rolls beyond normal

    On Amazon:Our Essentials by Amazon toilet tissue, 24 rolls, 1 ×View on Amazon

  • Wet wipes and hand sanitiser

    1 packs of wipes plus one sanitiser

    On Amazon:Search Amazon

  • Alcohol hand gel

    1 bottles, at least 60% alcohol

    On Amazon:Carex Complete hand sanitiser gel, 50 ml pocket size, 1 ×View on Amazon

  • Face masks (FFP2)

    1 packs of 10

    On Amazon:Omnitex FFP2 masks, box of 20, individually wrapped, 1 ×View on Amazon

  • Strong bin bags

    1 roll

    On Amazon:Search Amazon

  • Blankets or sleeping bags

    2

    Free option: Most homes already have enough bedding. Count what you have before you buy more.

    On Amazon:Search Amazon

  • Cash in small notes

    60 pounds, roughly

    No shop needed.

  • Copies of ID, insurance and prescriptions

    1 set, in a waterproof folder

    Free option: Photocopies or photos. Free.

Amazon opens and asks you to confirm. Nothing is bought until you pay.

check it in six months

Put a date in the calendar to check the batteries and the food dates in six months.

to do, no shopping needed

  • Register with the Priority Services Register if anyone is older, disabled, has young children or relies on medical equipment. Priority Services Register
  • Sign up for flood warnings for your postcode. Flood warnings
  • Check your phone can receive Emergency Alerts. Emergency Alerts
  • Agree a check-in plan: who calls whom, and one out-of-area contact everyone can reach.
  • Learn two neighbours' names and numbers. Write them on the contacts sheet.

the questions people ask

Isn't this just "prepping" or doomsday thinking?

No. This is closer to what emergency services and governments already recommend: modest, realistic readiness for short, common disruptions, not preparing for civilisation's collapse.

The difference is in the scenarios. Prepper culture plans for total breakdown and assumes you will be on your own. This site plans for a three-day power cut, a boil-water notice, a fortnight of thin shelves, and assumes, because the evidence says so, that you will be surrounded by people helping each other.

Why stay calm about it?

Because fear leads to the wrong actions. Frightened households panic-buy, which empties shelves for everyone. Frightened people keep to themselves, which is how vulnerable neighbours go unchecked. Calm preparation, done slowly, is both more effective and more considerate, and it is the register the government and the Red Cross use for the same reason.

It is also simply more accurate. Most disruptions are short, local, and dull. Describing them that way is not complacency.

Who is this site for?

Anyone who has seen a news story about a storm, a shortage or a grid warning and wants a sensible starting point. It is written for households with limited time and budget who want a short, prioritised list and honest timeframes.

It is not written for people who want to be self-sufficient for months. The advice here matches what the UK government and the Red Cross ask of households, and stops there.

Should I stockpile as much as possible?

No. Large stockpiling is counterproductive. It empties shelves for everyone else, most disruptions are short, and unused stock often goes to waste. A modest, rotated supply covers the realistic scenarios.

The shortage most people remember from recent years was not caused by a lack of supply. It was caused by everyone buying three weeks' worth in the same three days. Buying normally is the single most helpful thing you can do during a supply scare.

What's the single most useful thing to do first?

Build a 3-day supply of water, food, and any essential medication, and know two neighbours by name.

How long does a "72-hour kit" actually last a family?

Exactly as long as it says, if you have scaled it to the household. The trap is a kit sized for one person quietly sitting in a cupboard while four people live in the house. Water is the clearest example: 3 litres per person per day means a family of four needs 36 litres for three days, not the six-litre pack that fitted under the sink.

In practice most households already have more than three days of food. The gaps are usually water, light, a way to charge a phone, and a buffer of prescription medication. Those are the things to check.

Three litres of water per person per day sounds like a lot to store

It is the drinking figure, taken from gov.uk and the World Health Organisation, and it is the one worth meeting. For a household of two, a three-day stock is eighteen litres, which is three standard six-packs of bottled water. It takes up about the same room as a couple of bags of potatoes.

Cooking and washing water is extra and optional. In a planned cut, a filled bath or a couple of buckets covers flushing without touching the drinking stock.

Won't it all go out of date?

Not if the supply is made of things you already eat and you use the oldest first. That is the whole point of building it from your normal shopping rather than buying special emergency food. Sealed bottled water keeps for years. Tinned food is usually fine well past its best-before date, though rotate it anyway.

Batteries, first aid supplies, and medication are the things to check on a schedule. Twice a year, when the clocks change, is an easy habit.

How much does this cost?

Starting from nothing, a household can cover the 'first' items on the checklist for well under the cost of a weekly shop, spread over a couple of months. Water, a torch, batteries, a tin opener, and a paper list of phone numbers are all cheap. A decent power bank and a wind-up radio are the two items most people need to buy new.

The food part costs nothing extra over time, because you eat it. It is a shift in when you buy things, not how much.

I live in a small flat with no storage space

The three-day minimum for one person is nine litres of water, a few tins, a torch, a power bank, and a folder of documents. That fits in a single box or the bottom of a wardrobe. You do not need a garage.

Flats also have an advantage: neighbours are close. A building group chat is one of the easiest networks to set up and one of the most useful during a power cut.

Should I buy a generator?

For almost every household, no. Generators are expensive, need fuel storage, and are dangerous if used anywhere near a living space. Carbon monoxide from generators and camping stoves used indoors is the leading cause of death in power cuts.

If someone at home relies on powered medical equipment, the first step is registering with your network operator's Priority Services Register, which gets you earlier restoration and support. Talk to the equipment supplier about battery backup before considering a generator.

Will my phone work in a power cut?

Usually for several hours, and often longer. Mobile masts have backup batteries, but they can run down in a long or widespread outage, and networks get congested when everyone calls at once. A charged power bank keeps your handset alive; a battery radio keeps you informed if the network drops.

Text messages often get through when calls do not. Agree with family that a text saying you are fine is enough.

How do I build a buffer of prescription medication?

Ask your GP or pharmacist. Many will allow a reorder a few days early, which over a few cycles builds a one- to two-week buffer without anyone going without. Rotate it so the oldest is used first. Some medications have specific storage needs, so ask rather than assume.

What about pets?

A week of food, water counted into the household total, any medication, a carrier, and a recent photo. Not every rest centre accepts animals, so know a friend or neighbour who would take them if you had to leave. In a heatwave or cold snap, pets are affected in the same way as people and need the same checking on.

Why include civil disruption? Isn't that alarmist?

It is included because it is realistic and occasionally happens, not because it is likely for any given household. A few days of local unrest, a transport shutdown, or a strain on local services is something some towns experience from time to time. The preparation is identical to a bad storm: stay in comfortably for a short while, follow official local sources rather than rumour, and check on neighbours.

Including it plainly, with the same calm treatment as a power cut, is the opposite of alarmism. Leaving it out would suggest it is unthinkable, which is not true either.

I'm fine. How do I help people who aren't?

Start on your own street. Knock on the doors of anyone you know to be older, disabled, or alone, and ask whether they have what they need. Offer to carry water, collect a prescription, or share a charger. Then find or join a local mutual aid or neighbourhood group, which will already know where the gaps are.

If you have skills, share them: a first aid session, a repair afternoon, a cooked meal for a floor of a block.