Ladders are the tool most tradespeople buy on price and then regret. You climb a cheap set of steps, feel the stiles flex under you at the third tread, and spend the rest of the job working one-handed because you do not trust the thing you are standing on. That flex is not a comfort problem. It is the reason ladder accidents still make up a large slice of the UK construction injury figures every year.
Werner and Zarges are the two names that come up whenever tradespeople talk about ladders they actually trust. They sit at different price points and they are aimed at slightly different buyers, so the honest answer to which is better depends on what you do and how often you are up it. Here is the comparison without the marketing.
Quick Verdict
Werner is the right buy for most UK tradespeople. The MasterTrade and Trade lines are EN 131 Professional rated, they are stocked in Screwfix and Toolstation so you can replace one the same day, and they cost roughly half to two-thirds of the Zarges equivalent. For a joiner, sparks, plumber or decorator using steps daily, that is the sensible answer.
Zarges is the right buy if the ladder is going to live a very hard life – scaffolders, maintenance teams, facilities contractors, anyone whose ladders get thrown in and out of a van by four different people every day. The build quality is a genuine step up, the frames stay square after years of abuse, and you can still buy a replacement foot for a ladder you bought in 2014.
The Brands
Werner
WernerCo is an American business with a long-established UK operation, and its scale is the point. Werner supplies the trade sheds and the big merchants, which means their ladders are everywhere and their pricing reflects volume. The UK range splits into a DIY-grade line you should ignore, a Trade line rated EN 131 Professional, and the MasterTrade line at the top with heavier stiles and better feet.
The fibreglass range is worth calling out separately. If you are an electrician, a Werner glass fibre stepladder is one of the easier buying decisions on this list – the quality is good, the price is reasonable and they are widely stocked.
Zarges
Zarges is a German aluminium specialist that has been making access equipment since the 1930s, and it shows in the details rather than the headline specs. Deeper stile sections, better rivet and weld work, non-slip treads that are still non-slip after five years, and end caps and feet that do not disintegrate. The Skymaster and Z600 lines are the ones you see most often on UK sites.
Zarges also has a much stronger presence in industrial and specialist access – platform ladders, warehouse steps, hooked roof ladders, tank access – so if your work goes beyond the standard steps-and-extension pairing, they are more likely to have something purpose-made.
At a Glance – Werner vs Zarges
Prices are typical UK street prices including VAT and move around a lot with promotions, so treat them as indicative ranges rather than fixed.
EN 131 – The Bit Everyone Gets Wrong
EN 131 is the European ladder standard, and since the 2018 revision it splits into two grades that matter enormously and are still routinely ignored on site.
EN 131 Non-Professional is for domestic use. EN 131 Professional carries additional durability, strength and stability testing, and it is the grade you should be buying for any commercial work. A Non-Professional ladder used at work is not automatically illegal, but if you have an incident and the HSE looks at your equipment, being on a domestic-rated ladder for daily trade use is a very hard position to defend.
Both Werner and Zarges do EN 131 Professional. The difference is that with Zarges it is essentially the whole range, whereas with Werner you need to check which line you are looking at – their cheaper products are Non-Professional and they sit right next to the Trade ones on the same shelf in the shed. Read the label, not the price ticket.
How They Compare in Practice
Stiffness and Confidence
This is where the money goes. A Zarges trade stepladder at full working height feels noticeably more solid than the Werner equivalent – less lateral movement when you shift your weight, less twist when you are reaching to one side. On a Werner MasterTrade the gap narrows a lot; on the standard Trade line it is obvious.
Whether you should pay for it depends on how you work. If you are up steps for ten minutes at a time doing light work, the Werner is fine. If you are standing on the top platform for an hour doing overhead work with both hands, that extra stiffness is worth real money.
Weight
Zarges ladders are not light, and that is deliberate – the sections are heavier. Werner tends to come in a bit lighter for the same height, which matters if you are carrying steps up three flights on a fit-out. Neither brand is at the featherweight end; if weight is your priority you are looking at a different type of product entirely.
Availability and Replacement
Werner wins this one comfortably. If a Werner stepladder gets damaged on a Tuesday morning you can have a replacement from Screwfix by Tuesday afternoon. Zarges usually means a specialist supplier and a delivery, which is a real cost if you are stopped waiting for it.
On spares, the position reverses. Zarges will still supply feet, treads and hinge parts for ladders that are years old. Werner spares are decent on current lines but dry up once a model is discontinued, and on the cheaper Trade products it is often not worth the effort.
Resale and Life Expectancy
A Zarges ladder that has been looked after will still be a usable, sellable piece of kit after a decade. Werner Trade products tend to be treated as consumables – three to five years of daily use and then replaced. Neither approach is wrong, but if you buy on total cost over ten years rather than the price on the day, the gap between them is smaller than the sticker suggests.
Which Should You Buy?
Electricians
Werner fibreglass. Non-conductive stiles, good availability, and the price difference against a Zarges glass fibre set is significant. Buy platform steps rather than a standard A-frame if you spend time working overhead – the platform lets you stand properly and keeps both hands free.
- Heavy duty steel platform for added strength – cycle tested to over 50,000 cycles using 150kgs
- Non-conductive fibreglass stiles, ideal for working around electricity
- Heavy duty slip-resistant tread profile for added strength and security
- Weather resistant fibreglass material - does not absorb moisture, corrode or rust
Joiners, Plumbers and Decorators
Werner MasterTrade for steps. It is the right balance of stiffness and cost for someone who uses a ladder daily but is not abusing it. Do not buy the cheapest Werner line – the step up to MasterTrade is where the useful difference sits.
- Top edge caps for a smoother profile
- Heavy duty external spreaders
- Compact footprint enables user to get closer to work area
- Deep slip-resistant treads and large slip-resistant feet
- Reach height: 2.4m. Based on 1.75m as the average reach height of a person
Scaffolders, Maintenance and Facilities Teams
Zarges. Shared equipment gets treated badly by definition, and the build quality plus long-term spares availability is exactly what a shared fleet needs. The higher purchase price is easier to justify when the alternative is replacing ladders every two years.
- Step Ladder Level 6 Steps Z200 44156
- Item number: 44156
- EAN: 4003866441563
- Zarges GmbH
Roofers
Zarges for extension ladders and roof ladders. This is the application where stile stiffness matters most and where the consequences of a failure are worst. If your ladder is your only means of access to a roof, it is not the place to save £150.
Occasional Trade Use
Werner Trade line, EN 131 Professional, and spend the difference on a decent podium or a low-level tower instead. For most short-duration work at height, a podium step is safer and faster than a ladder anyway.
- Non-conductive fibreglass stiles, ideal for working around electricity
- High performance Holster Top, with specially designed paint, tool and equipment holders
- Easy to operate internal spreaders and slip-resistant Traction-Tread steps
- EDGE moulded brace and foot pad combination provides enhanced bracing strength and increased protection against damage
- Reach Height: 2.04m. Based on 1.75m as the average reach height of a person
FAQs
Are ladders banned on UK construction sites?
No. This is the most persistent myth in the trade. The Work at Height Regulations 2005 place ladders low in the hierarchy of access options, so you should use one only where a safer alternative is not reasonably practicable and the work is short-duration and low-risk. Used for the right task, a ladder is entirely legitimate.
Is Zarges worth double the money?
For daily heavy use, shared fleets and roof access, yes. For a sole trader using steps for a few minutes at a time, no – a Werner MasterTrade does the same job well enough that the difference is hard to justify.
What does the DeWalt branding on some Zarges ladders mean?
Zarges manufactures under licence for some other brands in the UK market, which is why you see DeWalt-badged ladders with a very Zarges feel to them. Check the EN 131 rating and the build rather than the badge.
How often should trade ladders be inspected?
Do a visual pre-use check every time and a formal recorded inspection at intervals set by your risk assessment – quarterly is common for daily-use trade ladders. Keep the record. If something goes wrong, the inspection log is the first thing anyone asks for.
Can I still use my old EN 131 ladder from before 2018?
Yes, provided it is in good condition and suitable for the task. There was no requirement to scrap pre-2018 ladders. But when you replace it, replace it with EN 131 Professional.
Which brand has better platform steps?
Zarges platforms are stiffer and have better handrail options; Werner platforms are lighter and cheaper. For a fit-out joiner working off a platform all day, Zarges. For general trade use, Werner.
The Verdict
Werner is the value answer and it is the right answer for most UK tradespeople – EN 131 Professional where it counts, available everywhere, and priced so that replacing a damaged ladder is annoying rather than painful. Buy MasterTrade rather than the entry Trade line and you will not feel short-changed.
Zarges is the buy-once answer. It costs more, it is heavier, and you cannot pick one up on the way to a job. What you get is a ladder that still feels safe in year eight, and parts you can still buy in year ten. For roof access and for shared fleets that gets a lot easier to justify.
Whichever you choose, check the EN 131 grade on the label before you pay. That single check matters more than the badge on the stile.
Prices correct at time of writing and vary considerably between ladder specialists and the trade sheds.
| Werner | Zarges | |
| Origin | US parent (WernerCo), long-established UK arm | German, Weilheim – aluminium specialist since 1933 |
| Typical UK availability | Screwfix, Toolstation, B&Q, Amazon UK | Ladder specialists, industrial suppliers, some via DeWalt-branded lines |
| EN 131 Professional range | Yes – MasterTrade and Trade lines | Yes – almost the entire catalogue |
| Entry trade stepladder | c.£90-£150 (3-8 tread) | c.£150-£260 (3-8 tread) |
| Trade platform steps | c.£125-£220 | c.£220-£340 |
| Double extension ladder | c.£180-£320 | c.£300-£520 |
| Best known for | Value, availability, good fibreglass range | Weld quality, stiffness, 20-year service life |
| Spares and parts | Good on current lines, patchy on older | Excellent – parts available years later |
