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Hard hat buying guide

Updated: October 2026

You are at the gate with a method that only says “hard hat”, and the amazon.co.uk basket is full of white shells that look alike until you read the mark. This hard hat buying guide is the choice of standard, vent, and service life before a brand or a price gets a vote. Prices and the full row sit on the [construction helmet comparison](/hub/occupational-safety/construction-helmet). We read those listings on 19 October 2026, plus HSE and maker notes. We did not impact-test a shell. How the chin strap is tested is on [EN 397 versus EN 12492](/hub/occupational-safety/construction-helmet/sub/construction-helmet-en-397-vs-en-12492). Setting the wheel, and retiring a shell after a knock, is on [how to wear a hard hat](/hub/occupational-safety/construction-helmet/sub/construction-helmet-how-to-wear).

You are at the gate with a method that only says “hard hat”, and the amazon.co.uk basket is full of white shells that look alike until you read the mark.

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On this page

Start with the hazard, not the colour

Where a risk of head injury remains, the PPE at Work Regulations 1992 require suitable head protection. HSE’s construction FAQ is the source. If there is no risk, a hard hat is not required. The 1989 construction helmet regulations were revoked on 6 April 2013. Suitable means a sound helmet that fits, worn properly, compatible with other PPE, and from a reputable supplier. It does not mean EN 397 on every site. Turban-wearing Sikhs are the exemption HSE states. EN 397 is the industrial mark for an object falling onto the crown. EN 12492 is the mountaineering mark: blows off the crown, and a chin strap meant to hold rather than release. HSE’s chainsaw page puts EN 12492 on off-ground chainsaw work and still allows an industrial helmet on the ground. EN 50365 is the electrically insulating helmet standard, and it counts only when the class is printed. A later Type 1 and Type 2 split of EN 397, as BSIF describes the 2025 document, is not a sticker for a 2012 listing. None of these shells is labelled Type 2. A bricklayer under a scaffold load is in EN 397 territory, which is what the JSP, Centurion, and Portwest listings state. Someone on ropes, or using a chainsaw off the ground, is in EN 12492 territory. In this set only the HEARMOR Mervex states EN 12492 certification. It also says it passed an EN 397 shock and penetration test. Passing a test is not the certificate.

Vents, peaks, and chin straps

A vent is comfort that can cancel an electrical claim. Holes help in warm weather. They are the wrong shell beside live conductors unless the insulation mark is explicit. Trade notes put insulation claims on non-vented shells. EN 50365 is not the optional low-voltage mark some EN 397 helmets carry. ANSI Class C means conductive. It does not mean the helmet insulates you. The Portwest PS63 and the vented HEARMOR shells that say Type I Class C are in that group. They can still be a reasonable EN 397 hat for a dry job that is not electrical. They are not the hat for opening a live panel. ANSI Class E and EN 50365 Class 0 sit on the PS53 listing, which is not described as vented. The Centurion is non-vented and claims EN 397 and EN 50365, without a voltage class in the captured text. The PS54 claims both standards and does not print a class. A missing class is missing. Do not borrow 1,000 V from the PS53. A full peak, as on the Centurion, shades the eyes and gets in the way when you look up. A peakless shell, as on the PS53 and PS63, is for that upward view. Neither shape changes the standard. The PS54, PS63, and PS53 include a four-point strap. The JSP EVO2 and the Centurion do not state one. None of those straps is a fall-arrest system. HSE’s MEWP leaflet keeps the harness separate from the hard hat.

How long the shell is allowed to stay in use

HSE’s L25 guidance gives a general steer of three years from manufacture and tells you to follow the maker. One number is not universal. Centurion’s listing says a five-year service life. JSP’s support page states up to five years in use inside a ten-year total from manufacture. The PS53 bullet says up to seven years from the manufacturing date. None of those lines survives a significant impact. L25 takes a helmet out of service after a severe blow even if the date is young. A UK review on the PS53 describes a shell that fell from scaffolding and broke. That is one account, not a test, and it is still the retirement rule. If the clock is already past the maker’s in-use limit, you are buying again.

What to check on the amazon.co.uk listing

Look for the EN number in the title or the bullets, not “EN standard compliance”. The forest kit says CE and that phrase, and it does not print an EN number. Great Britain still accepts CE or UKCA. A CE mark without the standard you need is not the standard. Then check vent, peak, chin strap, and pack size. The PS53 size line says pack of two, and the printed weight is 907 g, which fits a pair better than one shell. The PS63 and PS53 files were scraped on a different dp URL from the details ASIN, so confirm the live page before you treat the review count as this photo. The PS54 prints 410 g and about 360 g. Quote both or quote neither. Bands of 52–63 cm or 53–63 cm still leave some people with a hat that will not close. One PS54 review and one PS53 review say the minimum is still too large or the strap too long. Another colour of the same shell will not fix that. This guide does not rank them. A purchase through our links can earn a commission at no extra cost to you.

Common questions

Is EN 397 enough for a normal building site?
Often, when the remaining risk is something falling onto the crown and the site has not named a tougher mark. HSE requires suitable head protection where a risk remains. It does not require EN 397 on every job. If the method says EN 14052 or Type 2, an ordinary EN 397 shell is the wrong answer. Ask the site lead rather than guessing from a white colour.
When do I need EN 12492 instead?
When the helmet has to stay on and take blows that are not only on the crown. HSE points off-ground chainsaw work at EN 12492. A ground chainsaw job can still be an industrial helmet. In this set only the Mervex states EN 12492 certification. A climbing-style shape without that number is not the same purchase.
Can I use a vented helmet near live cables?
Not as insulation. Vents and ANSI Class C go together on the PS63 and on the vented HEARMOR shells. Class C means conductive, not an insulating class. Use a non-vented helmet whose shell shows the electrical class the job requires. A missing class stays missing.
What does ANSI Class C mean on a UK listing?
It means conductive under the ANSI scheme those bullets quote. It is not EN 50365. Class E is the ANSI line that sits next to an insulation claim. On the PS53, Class E appears with EN 50365 Class 0. On the PS63, Class C appears with vents and without EN 50365.
Is a bump cap allowed if nothing is being lifted?
A bump cap is for a low obstacle, not for falling objects. HSE’s guidance is that it is not enough where objects can fall. If the assessment finds no head-injury risk, you may not need a helmet at all. If objects can fall, a bump cap is outside this comparison.
Does the employer have to pay for the helmet?
Yes, when the regulations require it. The employer provides suitable PPE at no charge to the worker. A spare you buy does not move that duty, and it still has to match the mark the site named.

Related pages

Sources

Public UK sources from the research digest, last checked on 19 October 2026. Shelf prices and star lines are the amazon.co.uk figures in the display file. The price bands are this set, not a market average.

  1. HSE: construction PPE FAQ (retrieved 19 October 2026)
  2. HSE: L25 PPE at work guidance (retrieved 19 October 2026)
  3. HSE: chainsaw PPE (retrieved 19 October 2026)
  4. HSE: PPE selection and use (retrieved 19 October 2026)
  5. GOV.UK: PPE enforcement regulations 2018 (retrieved 19 October 2026)
  6. JSP: when to replace a safety helmet (retrieved 19 October 2026)
  7. Health & Safety Matters: a head for safety (retrieved 19 October 2026)
  8. Uvex UK: EN 397 and EN 12492 (retrieved 19 October 2026)