Britain wants every household to prepare for Three Days of Crisis without power, water or phone signal. On Thursday, the government launched a national resilience campaign called Be Ready, asking families to keep a small stock of bottled water, long-life food, cash and a wind-up radio at home, according to the government's official announcement.

The new guidance replaces the government's earlier Prepare website and sets a specific household standard for the first time in a national campaign: the aim is that those who can should be able to look after themselves while support reaches the people who need it most. It is the opening stage of a three-year public information effort, and more than five hundred organisations have already signed up to share it, with radio and social media advertising rolling out over the coming weeks and months.

"Those who can follow this advice should follow this advice," said Security Minister Dan Jarvis at the launch. He said that by taking simple steps for everyday emergencies such as severe storms, households reduce pressure on emergency services and free them to prioritise the most vulnerable. The campaign's own guidance puts it plainly: being ready for the advised window helps households manage while support reaches those most in need, and adds that most people could already have some of the items at home.

What the government says to keep in the house

The official list is short and deliberately unglamorous. Bottled water is first: the guidance suggests about three litres of drinking water per person per day, with more needed for cooking and washing. Next comes non-perishable food such as tinned goods that can be eaten without cooking, a torch with batteries, a battery or wind-up FM radio for updates during outages, a first aid kit, blankets, hand sanitiser, a charged power bank and enough of any prescription medicine to cover several days, plus copies of important documents and some cash in case card payments or cash machines go down.

One free step the campaign pushes hardest is not a purchase at all. Households are urged to sign up to the Priority Services Register, a free service that helps gas, water and electricity companies identify customers who may need extra support in an emergency. Ministers say the build-up does not have to happen in one shopping trip: the guidance tells people to accumulate supplies gradually, picking up an extra item or two with the normal shop, because most homes already hold much of the list without realising it.

Why ministers picked this moment

The timing is political as well as practical. The campaign had been expected for weeks, promised first for September and then for later in the autumn, and it finally went live quietly on a Thursday afternoon. The government's case is that recent events proved the point: storms last winter and wildfires this summer both knocked out services that people assumed would always work, from phone signal to water and the internet.

But the launch rhetoric went further than weather. Defence Secretary Wes Streeting warned this week that businesses and individuals should prepare for disruption to essential supply chains caused by hostile state actors or terrorists, and described Britain as facing state-sponsored terrorism aimed at everyday infrastructure. He has said the country faces a greater risk of war than at any point in his lifetime, and posed the question of how the country would cope if supermarket payment systems went down. The language marks a deliberate shift: ministers are asking the public to think about cyber attacks and hostile states, not just storms and floods.

How the rest of Europe already does it

Britain is arriving late to a conversation most of its neighbours settled years ago. In the United States, Ready.gov has told households for two decades to keep at least several days of supplies, including roughly a gallon of water per person per day. France, Ireland and the Netherlands all already use the same benchmark the UK has now adopted, and the government's own announcement says the campaign brings Britain into line with those European peers.

Some countries go much further. Germany's federal civil protection agency advises households to hold ten days of food and water against a major crisis, while Sweden's civil contingencies agency tells every home to manage for at least a week without outside help and redistributed its pamphlet "In Case of Crisis or War" to every household in 2024. Finland, the country that popularised the idea of households riding out disruption on their own for days, pairs it with some of the highest measured household preparedness in Europe, as Signal Post News noted. Against that field, the UK's new floor looks like a starting standard rather than a ceiling, and ministers present it exactly that way: the first stage of a longer cultural shift.

The criticism, and what happens next

The campaign has already drawn the obvious accusation: scaremongering, with Brit Brief reporting on the political backlash. Asked about it on BBC Question Time, the defence secretary rejected the charge and said the aim was to keep people "alert but not alarmed," arguing that Britain's continental neighbours are far ahead on preparedness. He has repeatedly described the request as "just a simple ask" of the public, stressing that much of it is routine common sense rather than survivalism.

Critics have sharper arguments too. A prepping expert warned that a three-day stockpile is not enough to protect families through a real flood, blackout or attack on the UK. Research commissioned for an earlier version of the guidance found that explicit seventy-two-hour messaging made some participants anxious, prompting questions such as "what has happened that I do not know about?", and the published booklet quietly dropped the fixed figure. And unlike Sweden, Britain is sending no leaflet to every home: the policy is advisory only, and there is no scheme giving out free kits, so the campaign lives or dies on whether advertising can change habits over the next three years.

For young renters and shared flats, the practical version is the simplest one. A few extra tins, a torch, a power bank kept charged, a wind-up radio and a written-down list of phone numbers cost little and cover the scenarios the guidance is actually built around: a storm, a flood, a power cut or a payment system going down for Three Days of Crisis. The ministers' pitch is that resilience is a habit, not a purchase. Whether the campaign becomes one will show in how many households still remember it by Christmas.

Related reading: when Japan's warning system misfired, how the Panama earthquake tested infrastructure, and what warming did to a Nepal glacier.