A grab bag — sometimes called a go bag — is one packed rucksack you can pick up and leave with in under a minute. In the UK you are far more likely to need it for a house fire, a flood warning, a gas leak or a burst-main evacuation than for anything dramatic, and in every one of those cases the useful thing is not to be improvising in the dark while a neighbour waits at the door. The Environment Agency and local resilience forums recommend having one ready; the job here is simply to make yours sensible rather than a panic-bought bundle you never check.
This kit builds a genuinely useful UK grab bag from things we already trust and list. Start with a comfortable 40-litre rucksack, then add the essentials that keep a person going for the first 24–72 hours away from home: a proper first-aid kit, a wind-up radio that needs no mains or signal, a hands-free head torch, a large power bank so a phone stays alive for calls and updates, a personal water filter, a compact ration pack, a foil blanket for warmth, a multi-tool, and a dry bag to keep documents, cash and a phone dry. Keep copies of key documents, any regular medication and a little cash alongside it — those are personal to you and can't be bought here.
Pack it once, store it by the front door or in the car, and check it when the clocks change. A grab bag you have actually tested — worn on your back, torch batteries confirmed, radio wound — is worth far more than a longer list you never assembled.
The bag the whole grab-and-go idea depends on — a tough, comfortable rucksack that holds your emergency kit ready by the door, so you can leave in seconds if you're told to evacuate.
40L is the sweet spot for a grab bag: enough for a full 72-hour kit for one adult or shared essentials for a family, without tempting you to overpack into something too heavy to carry comfortably.
Padded shoulder straps, a chest strap and ideally a waist belt spread the load and keep the pack stable when you move. A comfortable harness is the difference between carrying kit easily and struggling after ten minutes.
Look for heavy denier fabric (600D or higher), reinforced stitching and strong zips. This is a bag that may sit for years then be trusted in the wet, so durability and some water resistance matter more than looks.
Multiple pockets keep documents, first aid, water and tools organised and reachable. External MOLLE webbing lets you attach extra pouches, a water bottle or a torch so the most-needed items are to hand.
A 60L+ pack invites you to fill it until it's too heavy to carry, especially for children or older adults. Stick to around 40L and keep the loaded weight sensible.
A cheap pack with flimsy zips and thin straps can fail exactly when you need it. Prioritise a comfortable harness and solid construction over a tactical appearance.
Food expires, batteries leak and needs change. Review the contents every six months and after any use so the bag is genuinely ready to grab.
A tough 40L military-style rucksack with padded straps, multiple compartments and MOLLE webbing. Big enough for a full 72-hour grab bag, comfortable to carry, and hard-wearing enough to sit ready for years and still perform.
A comprehensive multi-piece first aid kit in a compact case for home, car or travel. Covers everyday cuts, burns and sprains as the foundation of any preparedness kit.
A wind-up AM/FM emergency radio that also charges from solar, USB or its 2000mAh internal battery, so you can keep hearing local broadcasts during a prolonged power cut. It doubles as a small torch and a top-up charger for a phone in a pinch. Crank output is modest, so treat the hand-crank as a backup to the built-in battery rather than the main power source.
A compact 400-lumen rechargeable head torch that also clips off as a cap light. Hands-free light for reading a meter, fixing something in the dark, or moving around the house safely when the power's out.
A high-capacity 20,000mAh pack that keeps several devices going across a long outage. The choice when you need days of backup power, not hours.
The original suck-through survival straw: dip it in a stream, puddle or water butt and drink directly through the hollow-fibre membrane, which filters out bacteria, parasites and microplastics down to 0.2 microns. It needs no batteries, chemicals or pumping, and one filter is rated for around 4,000 litres, so it earns its place in a grab bag or car for when the mains supply fails or you're caught out on the hills.
Long-life ration bars providing three days of emergency calories with a multi-year shelf life. Compact, no-cook backup food for grab bags and vehicles.
A single branded foil survival blanket that reflects radiated body heat back to help stave off hypothermia while you wait for help. It packs down small enough to live in a coat pocket, car glovebox or first-aid kit. Best treated as one-time emergency insulation rather than reusable kit.
A well-priced 14-in-1 multi-tool that covers the everyday jobs without the premium price. A sensible first multi-tool for a kit.
A roll-top waterproof dry bag with welded seams and an included phone pouch, keeping clothing, sleeping gear and electronics dry through rain, spray and submersion.
The main route into storm, power cut, warmth, water and car-kit guidance.
A practical first plan for lights, phones, food, warmth and checking on people.
Buyable kit picks for the most common UK storm and outage problems.
A printable checklist for cold weather, outages, travel disruption and home prep.