Survival kits · 7 min read
What belongs in a survival kit — and what quietly wastes space
A grab-and-go kit built around the five things that keep you alive — water, warmth, light, first aid and information — instead of gadgets you will never use.
Updated 20 August 2026
Key takeaways
- Build the kit around five needs: water, warmth, light, first aid and information. Everything else is optional.
- A pre-made kit is a starting point, not a finished plan — the filter, the light and the first aid contents are usually the weak parts.
- Two litres of water per person plus a filter beats carrying a day's supply of bottles.
- Check the kit twice a year: batteries, medication dates, cash notes and the sizes of any clothing inside.
The five needs a kit has to answer
A survival kit is not a collection of tools, it is a set of answers to problems that arrive in a predictable order. In the first hours you need light and information. Within a day you need water and warmth. Injuries can happen at any point, which is why first aid sits alongside the rest rather than at the end of the list.
Write each need on a card and pack against it. If an item does not answer one of the five, it is a nice-to-have and belongs in a second bag at home, not in the kit you carry.
- Water: filter or purification tablets plus a collapsible bottle
- Warmth: emergency bivvy or blanket, hat, gloves, dry socks
- Light: headlamp with spare cells, plus a small backup torch
- First aid: trauma dressing, tape, blister care, personal medication
- Information: hand-crank or battery radio, charged power bank, printed contacts
Where pre-made kits are strong and where they are thin
A bundled kit gets you the case, the small consumables and the fiddly items you would forget — cordage, whistle, safety pins, tape. That is genuinely useful and it makes a kit happen this week rather than next year.
The parts that usually need upgrading are the ones you would rely on most: the light, the water treatment, and the first aid contents. Swap the plastic torch for a headlamp you have tested, add a filter or tablets you trust, and replace the plaster-heavy first aid pouch with a dressing that can handle a real bleed.
The survival scenario: evacuating a flat in 15 minutes
A gas leak or a flood warning gives you minutes, not hours. The kit that works is the one by the door with everything already inside, because anything you have to gather is something you will forget while adrenaline is running.
Pack for 72 hours away from home and assume you may sleep somewhere with no power: a school hall, a car, a relative's spare room. That means your own light, your own charging, your own medication, and documents you can show without a phone.
- Copies of ID, insurance and prescriptions in a waterproof sleeve
- Cash in small notes — card terminals fail with the power
- One complete change of clothes, weather-appropriate
- Phone cable and a charged power bank, kept together in one pouch
Frequently asked questions
How long should a survival kit cover?
Build for 72 hours per person. That is the window most European emergency guidance uses for staying self-sufficient before help or normal services return.
Is a pre-made survival kit worth buying?
Yes as a base — it supplies the case and the small consumables cheaply. Plan to upgrade the light, the water treatment and the first aid contents, which are the items you actually depend on.
How often should I check my kit?
Twice a year. Test the torch, rotate batteries, check medication and food dates, and confirm clothing still fits everyone in the household.
Ready-made kits for this
Prefer not to shop item by item? These kits already cover the gear in this guide, built from EU stock and priced by budget.
- Apartment · StarterApartment starterLight, cheap, fits a hallway cupboardView kit
- House · ReadyHouse readyOutage, storm or water cut for several daysView kit
- On the go · CompleteGo-bag completeSelf-sufficient for a week away from homeView kit