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Dyson PencilWash: one-minute review

The Dyson PencilWash is a wet floor cleaner that’s a counterpart to the PencilVac launched last year. Unlike the PencilVac, the PencilWash isn't a vacuum. Instead, it’s essentially an electric mop with a soft roller that spins as water is dispensed onto it along eight points, and a squeegee that forces dirty water out of the roller into a storage tank.

It’s extremely slim and lightweight, with a long, slim handle and a full-size floorhead that’s almost identical to the one found on one of Dyson’s best wet-dry floor cleaners. It can soak up wet spills, wash away dried-on dirt, and pick up dust and dry debris in one sweep.

The PencilWash’s simple controls, lightweight and highly articulated head make it extremely easy to use, and almost effortless to maneuver around even tight corners, though its roller can’t reach right to the very edge of your baseboards.

The PencilWash is propelled by its large, fluffy microfiber roller, which spins to scrub your floors (Image credit: Future)

It’s very effective when used with plain water, collecting an impressive amount of dirt from surfaces that looked reasonably clean at first glance, though you can also use it with a cleaning fluid to help break down more stubborn and sticky stains.

It can be messy to empty because the dirty water tank doesn’t have a spout for clean pouring, and any debris that has accumulated on the squeegee and roller will need to be rinsed off or removed by hand. I found that the roller takes a long time to dry - even when I left it in a room with a dehumidifier running, it wasn’t completely dry for over a day.

The PencilWash's controls are very simple (Image credit: Future)

For me, the PencilWash’s biggest drawback is the price; the PencilWash only does wet cleaning, but costs almost as much as a good quality wet-and-dry vacuum cleaner like the Shark HydroVac Cordless WD201 / WD210 or the Bissell Crosswave HydroScrub. It does its job very well, but it’s tough to justify the expense for what is essentially a motorized mop unless you have no carpets or rugs to clean at all.

Dyson PencilWash: specs

Type

Cordless wet floor cleaner

Weight

4.85lbs / 2.2kg with water tank empty

Maximum run time

30 minutes

Clean water tank capacity

10.6oz / 300ml

Dirty water tank capacitty

11.4oz / 340ml

Dyson PencilWash: price and availability

• Available globally
• List price: $349.99 / £299.99 / AU$549

The Dyson PencilWash is available globally for $349.99 / £299.99 / AU$549, which is rather expensive for a wet floor cleaner without a vacuum. For comparison, the Bissell Crosswave HydroScrub wet/dry floor cleaner is $369.99 (about £280 / AU$540), while the Shark HydroVac Cordless WD201 / WD210 is $359.99 / £329.99 / AU$399.99.

It’s the most affordable Dyson floor cleaner you can buy right now, and you’re getting a great quality appliance that’s compact but powerful, so it’s a question of whether you have enough hard flooring in your home to justify the cost, or whether you’d be better served by a two-in-one cleaner.

• Value score: 3.5/5

Dyson PencilWash: design

• Super slim and lightweight
• Full-size, fully articulated floorhead
• Easy to operate

The PencilWash is a partner to Dyson’s super-slim vacuum cleaner, the PencilVac, with a similarly lean build. It consists of a slender copper-colored pole (which contains the rechargeable battery, controls, and a small LED display) and a full-size floorhead. This appears to be the same as the Submarine Wet Roller Head, which you'll also find on the Dyson V15s Detect Submarine.

The floorhead contains a large, fluffy microfiber roller, a refillable water tank, a ‘squeegee’ that forces dirty water out of the roller, and a tray that collects it. It’s easy to disassemble and slot back together, with all removable components colored red to make things as simple as possible. Unlike the PencilVac, however, the PencilWash has no LEDs to illuminate dirt on your floors.

The PencilWash is equipped with Dyson's Submarine Wet Roller Head (Image credit: Future)

The head is fully articulated and moves freely. It can be flattened to almost 180 degrees for cleaning under low pieces of furniture, and swivels smoothly to reach into awkward areas like behind furniture legs.

The PencilWash weighs 4.85lbs / 2.2kg without water, and feels nicely balanced with just 13.4oz / 380g in the hand. The water tank is in the floorhead, keeping the center of mass close to the ground.

The PencilWash comes with a charging stand, plus a clip-on tray for the floorhead (Image credit: Future)

The controls are simple and intuitive, too, with a power button and two boost options that dispense extra water for a certain period of time (five seconds or 30 seconds) if you need to tackle a particularly grimy area. The screen shows the current cleaning mode and power status.

The PencilWash comes with a charging stand, which holds the pole, and a tray to hold the floorhead when it’s not in use. Both are discrete and take up the bare minimum of space in small homes.

• Design score: 4.5/5

Dyson PencilWash: performance

• Cleans wet and dry dirt with ease
• Can reach under low furniture and into tight spaces
• Dirty water tank must be emptied with care

I tested the Dyson PencilWash in my apartment, which has black laminate flooring throughout the kitchen, hallway, and bathroom, which shows every water mark, crumb, and speck of dust.

Preparing the Pencilwash for use is simple; just remove the water tank and roller from the floorhead, fill the tank to the maximum line and twist it back into place, then dampen the roller with clean water and slide it onto its mount.

The floorhead contains the water tank, keeping the center of gravity close to the floor for stability (Image credit: Future)

When switched on, the PencilWash’s roller propels it forward, and the highly articulated head and lightweight handle make it effortless to push across your floors. Because the water tank is in the floorhead, most of the weight is kept close to the ground, keeping it stable and leaving the handle light and comfortable.

During my tests, I found that the PencilWash made light work of spills and dried-on dirt, such as spilled juice in the kitchen, and footprints in the hallway. Although you can use the PencilWash with a floor cleaner (such as Dyson’s own 02 Probiotic hard floor cleaning solution), I was impressed by how well it cleaned using nothing but plain water and agitation from the spinning roller, which is ideal if you have allergies that are exacerbated by cleaning products.

You can use the PencilWash with plain water or a floor cleaning solution (Image credit: Future)

Although the clean water tank appears small (it has a capacity of just 10.6oz / 300ml), the PencilWash is frugal with its use of water. A little goes a long way, and I was able to clean all my hard floors with the tank still mostly full at the end. If you’re cleaning a large home with hard flooring throughout, you’ll need to refill it partway through, but I was surprised by just how little water was required for thorough cleaning.

The floorhead’s articulation made it possible to clean even around the legs of my bathroom cabinet, which are particularly awkward. The head isn’t small, so I was surprised it was able to reach into such tight nooks and crannies. It’s a shame that the roller doesn’t get right up to the edge of baseboards, though. There’s a gap of around half an inch that goes unmopped, which is unfortunate since this area can be quite dusty.

The PencilWash is flexible enough to reach under low furniture and info awkward spaces (Image credit: Future)

I was also surprised by how well the microfiber roller picks up hair, dust, crumbs, and other dry debris, so you don’t need to vacuum before mopping. The downside is that dirt can accumulate on the roller and squeegee, and will have to be cleaned off by hand when you disassemble the head to empty the dirty water tray.

You need to be very careful when emptying out the dirty water, which involves disassembling the floor head and gently pouring the waste away. The tray isn't enclosed, so it's quite easy to accidentally spill.

You must be careful not to spill dirty water when emptying the PencilWash. It can scrub an impressive amount of dirt off floors that appear clean to the naked eye (Image credit: Future)

All the wet components can be cleaned with a mild antibacterial cleaner, after which you must leave them to dry out. I found that the roller took a particularly long time to dry, and even in a room with a dehumidifier running, it took over a day to dry out completely.

Overall, the PencilWash is very easy, and even fun to use — which is a surprising thing to say about a mop. It’s great for quickly refreshing hard floors mid-week, and for more thorough cleaning when necessary, thanks to its boost mode. If it could reach all the way up to my baseboards and was a little less messy to empty, it would have earned an extra half star.

• Performance score: 4.5/5

Dyson PencilWash: should you buy it?

Attribute

Notes

Score

Value

Dyson's cheapest floor cleaner, but you can get a good quality wet/dry cleaner from Shark or Bissell for the same price.

3.5/5

Design

Lightweight, simple to use, and flexible enough to reach into small spaces.

4.5/5

Performance

Comfortable in the hand and easy to use. Cleans wet and dry dirt well, but can be messy to empty.

4.5/5

Buy it if

You have a small home

The PencilWash is ideal for an apartment like mine with lots of hard flooring and limited space to store a floor cleaner.

You have pets or children

The Dyson PencilWash lets you tackle spills and stains quickly and easily, with its boost button providing a little extra cleaning power when you need it.

You have limited mobility in your hands

The PencilWash is very light to hold and takes virtually no effort to move around your floors.

Don't buy it if

You only need it for the kitchen and bathroom

This is an expensive cleaner for just two rooms. If your home is mostly carpeted, I'd recommend looking at two-in-one wet and dry cleaners instead.

You have unsealed wood floors

Wet cleaners are a no-go for unsealed floors.

Dyson PencilWash: also consider

If you're not sure whether the Dyson PencilWash is the right floor cleaner for you, here are two other options to consider:

Dyson PencilVac

The PencilVac is the broom to the PencilWash's mop, cleaning better than we would have thought possible considering its streamlined size.

Read our full Dyson PencilVac review

Bissell CrossWave HydroScrub

It's not as small and stylish as the PencilWash, but if you need a cleaner that can handle carpets as well as hard floors, this wet/dry model costs around the same and performs well across the board.

Read our full Bissell CrossWave HydroScrub review

How I tested the Dyson PencilWash

I tested the Dyson PencilWash for a week on laminate flooring, using the regular and boost modes. I tested it on ordinary everyday dust and dirt, as well as muddy footprints, dried-on juice, and milk. I cleaned it after each use, following Dyson's instructions, and allowed it to dry fully. For more details, see how we test, review, and rate products at TechRadar.

First reviewed April 2026.

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