EN 1143-1 home safe: S1 and S2 sit below Eurograde 0

A broker's email said "S2 or a Eurograde", and the next tab was a Burg-Wächter Favor with S3 in the model name. An EN 1143-1 home safe is the high-security end of that sentence. EN 14450 is the lighter cabinet standard, at S1 and S2, and those levels are not Eurogrades. The S in Favor S3 is a size in that range, which is why the basket and the email are easy to mix up.

You are matching a label to a sum of cash or jewellery, usually because an insurer used one of those codes. The grade is a test result on a defined product, not the weight on the listing.

Products Compared read De Raat's insurance-rating table, the London Safes eurograde explainer, Secured by Design's home-safe guidance, the safe.co.uk insurance-rating guide, and the Burg-Wächter UK Favor page, in October 2026. We did not test a door in a lab, and we did not copy the text of either standard. A qualifying purchase through our links can earn us a commission at no extra cost to you.

In short

EN 14450 is the lighter cabinet standard, at S1 and S2. EN 1143-1 is the high-security safe standard, and shop guides start that ladder at Eurograde 0, above S2. De Raat's table puts S1 at £2,000 cash and £20,000 valuables, S2 at £4,000 and £40,000, and Grade 0 at £6,000 and £60,000. That is the retailer's table, not your policy, and a Favor size code is not a grade.

EN 14450, the lighter cabinet standard

EN 14450 is the home safe standard UK sellers use for a lighter secure storage unit, aimed at a home or a small office. The levels on a certificate are S1 and S2. London Safes is plain that S1 and S2 are not Eurogrades, and that the Eurograde ladder continues upward. If a page calls S2 "Eurograde S2", it has joined two systems the explainer keeps apart.

Secured by Design's home-safe guidance treats EN 14450 as the standard aimed at an opportunist attack, and it points you to a higher standard when the risk is greater. It also tells you to check the policy. The guidance does not turn S1 into a sum every insurer must pay.

De Raat's insurance-rating table puts S1 at £2,000 for cash and £20,000 for valuables, and S2 at £4,000 and £40,000. Notes are the smaller figure, and jewellery is the larger one. A policy can still cap a single article below that band. The table is a retailer's guide, not a statute, and it does not amend your schedule. If the email says "Eurograde", S2 does not finish the sentence.

EN 1143-1, the high-security grades

EN 1143-1 is the high-security safe standard. Shop language calls the steps Eurogrades, and the first one most home buyers meet is Grade 0, also written Eurograde 0. London Safes places that ladder above S1 and S2. Grade 0 is not a score of nought. It is the entry step on the heavier standard.

De Raat's table puts a cash rating for Grade 0 at £6,000 cash and £60,000 valuables, £2,000 and £20,000 above that page's S2 pair. Your insurer can ignore the gap, ask for Grade 0 at a lower cash sum, or refuse the model even when the certificate matches. The table says what that retailer prints. The schedule says what will be paid.

A broker's "Grade 1" or "Eurograde I" is still EN 1143-1, and it is a different document from S2. We are not putting a cash figure on those higher rungs, because the table we are using stops at Grade 0. Ask them to confirm the words on the certificate, including who certified it. A product title that says "grade 1" is not that document.

Weight will not move you from one standard to the other. A heavy ungraded cupboard has not been awarded EN 1143-1 because it is awkward to lift. If the broker wrote Eurograde 0, note the De Raat pair as the table you saw, not as a sum already promised.

A model code is not a grade

Favor S3 and Favor S5 are sizes in the Burg-Wächter Favor range. The UK Favor page does not print EN 1143-1 or EN 14450. S2 is an EN 14450 security level, while S3 on that naming is a size. Choosing S3 because it sounds one step above S2 buys an ungraded box. S5 does not repair that, because a larger size code is still a size.

A listing with no S in the title can still be certified if the certificate says so. A listing that says "high security" can have neither standard. Find the identifier and the level on a plate you can match to the model number. If the page never prints either standard, you have a lockable box, not a grade. Stars on amazon.co.uk do not record a laboratory result.

The Burg-Wächter FP 22 K, our top pick in that comparison, is a 5.6-litre key document box at £42.00, listed at 9 kg, with a stated fire time of 30 minutes up to 1,093°C. The listing does not give it an EN grade, so the kilogrammes do not make it a cash-rated safe. The Burg-Wächter safe page is where those GBP prices sit. Use it for a document box, and leave it when the email named a grade.

That fire sentence does not certify EN 14450, and an S2 certificate does not say how paper will fare in a fire. If you need both, you need both documents. If the only text you can find is the model name, ask the seller for the certificate before you pay.

Installation is part of the condition

The safe.co.uk insurance-rating guide treats installation as part of the condition that sits beside a published rating. A cash band often assumes the safe is fixed as the maker, the certificate, or the insurer requires. If an S2 cabinet stays on the carpet with the fixing kit unopened, do not assume De Raat's £4,000 and £40,000 still describe your arrangement. Ask about bolts, the floor, and a fitter before the courier is booked.

Bolting does not print EN 14450 or EN 1143-1 on a cabinet that never had them. The Favor range stays ungraded after you drill the floor. Fixing makes a light safe harder to carry away, and it does not invent S1. Plasterboard with no timber behind it, or a tenancy that forbids drilling, can make the condition impossible in that room. Say so, and ask what they will accept unfixed.

On the FP 22 K, the floor mount is prepared for screws up to 6 mm, and the listing does not state that those screws are in the carton. If the insurer names a fixing, fit anchors that match your floor before you store anything.

A safe in a wardrobe is harder for a guest to spot, and concealment does not change the grade or supply a fixing. If the policy asks for an EN 1143-1 home safe at Grade 0, fixed, the hiding place supplies neither half.

Which comparison to open

The security safe comparison is this hub's set of amazon.co.uk cabinets sold for burglary resistance. None of those listings names EN 14450 or EN 1143-1. Sorting by price or stars will not produce an S2 or a Eurograde. Use that page when you want a lockable cupboard and the insurer does not require a grade.

The Grade 0 gun safe and Grade 1 gun safe pages separate those Eurograde names from a light cabinet and from an ordinary gun cabinet. A real Grade 0 or Grade 1 label is EN 1143-1. A firearms enquiry officer and a contents insurer can ask for different things. If the row does not name EN 1143-1, the page title cannot lend the grade to that box.

Take four facts to the insurer before you order. Name the standard and the level, or say that you only have an ungraded Favor size. Split cash and valuables into your own sums, rather than assuming the De Raat pair is yours. Describe the floor and whether you can drill it, and ask what evidence they will want with a claim. A written reply that names the model and the limits is the acceptance, and the shop table is only the prompt.