A bug-out bag, sometimes called a grab bag or go bag, is a pre-packed rucksack holding the essentials you would need if you had to leave home quickly. In the UK the most likely reasons are flooding, a nearby fire, a gas leak or a serious incident that makes staying put unsafe. The gov.uk Prepare guidance suggests keeping supplies ready to grab. This checklist covers what to pack, in sensible UK quantities, without weighing yourself down.
What a bug-out bag is and when you'd use it
A bug-out bag is not about heading for the hills; it is a practical response to being told to leave your home at short notice. Emergency services or your local council might ask you to evacuate during flooding, a wildfire on nearby moorland, a chemical incident or a serious gas leak. The aim is simple: enough kit to keep you safe, warm and fed for around 72 hours while you reach a rest centre, a relative's house or a hotel. Keep one bag per adult and a lighter version for children. Store it somewhere you can grab on the way out, such as under the stairs or by the front door, and tell everyone in the household where it lives.
Water and purification
Water is the heaviest and most important item. Aim for two to three litres per person to start, carried in a sturdy bottle or a collapsible pouch that packs flat when empty. That covers roughly a day; beyond that you will need to refill. Because you cannot rely on taps being safe after flooding, pack a means of treating water. Purification tablets are cheap, light and foolproof, treating a litre in around 30 minutes. A pump or squeeze filter is faster and handles murky water better. Between the two you can turn a puddle, stream or rainwater butt into something drinkable. A small bottle of tablets costs around five pounds from Go Outdoors or Decathlon and weighs almost nothing.
Label the bag's water so you rotate it, and top up any collapsible containers from your last known safe source before you leave. If you are treating cloudy floodwater, let the sediment settle or pre-filter it through a clean cloth before using tablets, as they work best in clear water.
Food that needs no cooking
Pack food that needs no cooking, keeps for months and gives you quick energy. Cereal bars, flapjacks, nuts, dried fruit and boiled sweets are easy wins; add a couple of tins of beans or fish if you include a small can opener. Ready-to-eat emergency ration packs are compact and last for years, but everyday supermarket food is cheaper and more palatable. Allow around 2,000 calories per person per day and pack for three days. If you have a small stove and gas canister you can heat water for tea, soup or an instant meal, which does a lot for morale on a cold, wet night. Check and rotate the food twice a year.
Shelter and staying warm
Getting cold and wet is the biggest danger once you are outside. A bright, hooded rain poncho keeps you and your rucksack dry, while a foil emergency blanket or, better, a reusable bivvy bag traps warmth if you end up waiting outdoors or sleeping rough. Add a compact sleeping bag rated for British conditions and a foam mat to keep you off cold ground. A woolly hat, gloves and a couple of hand warmers cost only a few pounds and make a real difference. Even if you expect to reach a warm rest centre, plan for the possibility of a long, chilly wait for transport or news.
A brightly coloured poncho or blanket also makes you easier to spot, which matters if you are waiting for a lift in poor light. Pack a tarpaulin and a length of paracord if you have room, so you can rig a quick shelter over a bench or in a car park while you wait.
First aid and medicines
A basic first aid kit covers most of what you will face: plasters, blister plasters, antiseptic wipes, a bandage, tape, tweezers and painkillers such as paracetamol. Just as important are any prescription medicines you take daily. Keep a three to seven day supply in your bag if you safely can, along with a written list of your prescriptions, dosages and your GP's details. Do not forget spare glasses, an inhaler or an adrenaline pen if you rely on them. For emergencies always dial 999. A small kit from a chemist or Go Outdoors costs around fifteen pounds, and topping it up with your own medicines makes it genuinely useful rather than just reassuring.
Tools, light and power
When the power is out, light and information matter. Pack a head torch so your hands stay free, plus spare batteries, and consider a wind-up or battery radio to hear local updates and flood warnings. A power bank keeps your phone alive; a small solar panel helps if the outage drags on. A multi-tool or folding knife, a few metres of paracord, duct tape and a loud whistle to attract attention round things off. Keep the torch and whistle clipped where you can reach them in the dark. None of this needs to be expensive: Decathlon and Go Outdoors both sell reliable head torches and power banks for well under twenty pounds each.
Documents, cash and clothing
If you leave in a hurry, the paperwork is easy to forget and hard to replace. Keep copies of your passport, driving licence, insurance and bank details, plus a few important phone numbers written down in case your phone dies. Seal them in a waterproof wallet or freezer bag. Pack fifty to a hundred pounds in small notes and coins, as card machines and cash points often fail during power cuts. Add a spare set of clothes suited to the season: sturdy shoes or wellies, a warm layer, dry socks and underwear, and a waterproof jacket. For children, include comfort items, nappies or snacks as needed. Photos of pets and their vaccination records help if you need pet-friendly accommodation.
What to pack first
If you do nothing else this weekend, start with the basics and build up. Grab a rucksack you already own and add water and a means to treat it, a day of no-cook food, a rain poncho, a foil blanket, a head torch, a small first aid kit and copies of your key documents in a freezer bag. That alone puts you ahead of most households. Then add warmth, a power bank and a little cash as budget allows. Aim to keep the finished bag under about ten kilograms so anyone in the house can carry it. Check it every six months, rotate the food and batteries, and you will be genuinely ready to grab and go.
Want a printable, tickable version of this list? Use our Grab Bag Checklist to pack and review yours.
