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Shark Stratos IZ420UKT Review | 52 Data compared

Avg. price in UK: ~£420
Avg. price in US: ~$610
Suction power (AW): 219 AW
Battery runtime: 120 minutes
Capacity: 0.7 L
Weight: 4.1 kg

Shark Stratos IZ420UKT review. Compare 52 technical specifications and user reviews to see how this product ranks in the Vacuum Cleaners category and whether it is worth buying.

8.6

Excellent

8.5

Excellent

9.0

Exceptional

5.7
Hard floors
Score components:
30.0%
4.0
Mopping support
25.0%
7.0
Weight
20.0%
4.5
Noise level (Min-Max)
15.0%
6.1
Capacity
10.0%
8.8
Power consumption
8.1
Pet homes
Score components:
30.0%
10
Mini motorized brush
25.0%
10
Anti-tangle brush
20.0%
6.1
Capacity
15.0%
4.5
Noise level (Min-Max)
10.0%
7.0
Weight

Best prices in UK

£?

Best rankings

#1 in Best Shark Vacuums
#1 in Best Shark Cordless Vacuums
#5 in Best Powerful Vacuums
#5 in Best Vacuums For Carpets
#5 in Best Powerful Cordless Stick Vacuums
#5 in Best Powerful Stick Vacuums
#5 in Best Powerful Cordless Vacuums
#5 in Best Powerful Bagless Vacuums
#7 in Best Quiet Vacuums
#8 in Best Vacuum Cleaners
#8 in Best Vacuums For Sofas And Mattresses
#8 in Best Cyclonic Vacuums
#8 in Best Stick Vacuums
#8 in Best Cordless Vacuums
#8 in Best Bagless Vacuums

Verdict

The Shark Stratos IZ420UKT is a 309-watt premium bagless cordless stick vacuum engineered specifically for pet owners, featuring a 0.7-litre dust capacity, an Anti-Allergen Complete Seal HEPA filtration system, and an operating noise level of 86dB. Key performance-driven features include Clean Sense IQ technology that uses an infrared sensor to automatically optimize power, a DuoClean floorhead integrated with Anti Hair Wrap Plus to actively clear tangled hair from the brush-roll, and a flexible Flexology wand that bends easily under furniture. The primary advantages of this Pet Pro model include its exceptional whole-house runtime of up to 120 minutes across two removable 25.2V lithium-ion batteries, a dual charging dock, a standalone folding design for compact storage, and a built-in Anti-Odour cartridge system that prevents musty dust cup smells. However, notable drawbacks include its relatively heavy 4.1kg weight as a handheld unit, a standard 3.5-hour recharge cycle per battery, a high retail price, and a high-power boost mode that drains the battery quite rapidly.

Technical Specifications of vacuum cleaner Shark Stratos IZ420UKT

Overall score

8.6

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Popularity

What it is: An indicator based on the number of reviews received by the vacuum cleaner.

When it matters: When you prefer a vacuum cleaner that has been chosen and reviewed by many other buyers.

Performance

8.4

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Suction power (AW)

What it is: A measure of usable suction output in air watts, combining airflow and pressure into one cleaning-power figure.

When it matters: When you want the clearest single number for overall cleaning power on carpets and stubborn debris.

Importance: HIGH

Suction power (kPa)

What it is: The maximum suction pressure the vacuum can generate, expressed in kilopascals.

When it matters: When you compare how strongly different vacuums can pull dirt from seams, rugs, and tight surfaces.

Importance: HIGH

?

Airflow

What it is: The volume of air the vacuum moves during operation, which helps indicate how effectively debris can be carried into the dust container.

When it matters: When you want better pickup of lighter debris such as dust, crumbs, and hair across larger floor areas.

Importance: HIGH

?

Motor type

What it is: The motor design used to drive suction, such as brushless or universal construction.

When it matters: When you care about motor durability, efficiency, and how modern the vacuum drive system is.

Importance: LOW

brushless

Power consumption

What it is: The amount of electrical power the vacuum draws while operating, measured in watts.

When it matters: When you want to limit electricity use or compare efficiency between vacuums with similar cleaning power.

Importance: LOW

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Battery

9.0

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Cordless

What it is: Indicates whether the vacuum can run without being connected to a power cable.

When it matters: When you want to move quickly between rooms, stairs, or cars without trailing a power cord.

Importance: MEDIUM

Battery runtime

What it is: The maximum operating time the vacuum can deliver on a full charge in standard use.

When it matters: When you want to finish your normal cleaning routine on one charge.

Importance: HIGH

Charging time

What it is: The time required to recharge the battery from empty to full.

When it matters: When you need the vacuum ready again quickly after a short cleaning session.

Importance: MEDIUM

Battery capacity

What it is: The total amount of energy or charge the battery can store before recharging is needed.

When it matters: When you want a rough idea of how much stored energy the battery pack holds.

Importance: MEDIUM

Battery voltage

What it is: The nominal electrical voltage supplied by the battery pack.

When it matters: When you compare cordless models and want another clue about battery system strength.

Importance: LOW

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Filtration

8.0

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Filter class

What it is: The filtration standard or class used to describe how finely the vacuum filters outgoing air.

When it matters: When you care about capturing finer dust and keeping the exhaust air cleaner.

Importance: MEDIUM

Minimum overall efficiency

What it is: The minimum particle retention efficiency implied by the stated filter grade.

When it matters: When you want a clearer view of how much fine particulate the filter grade can block at minimum.

Importance: MEDIUM

?

Suitable for allergy sufferers

What it is: Indicates whether the filtration setup is strong enough to make the vacuum more appropriate for allergy-sensitive homes.

When it matters: When someone at home reacts badly to dust and you want a safer filtration setup.

Importance: MEDIUM

Capacity

What it is: The amount of dust or debris the container or bag can hold before it needs to be emptied or replaced.

When it matters: When you want to empty the dust container less often during bigger cleaning jobs.

Importance: MEDIUM

Bagless

What it is: Indicates whether the vacuum collects dirt in a reusable dust container instead of disposable bags.

When it matters: When you prefer not to buy replacement bags and want to empty a reusable bin instead.

Importance: LOW

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Attachments

9.2

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Main brush type

What it is: The construction style of the main floor brush that makes primary contact with the surface being cleaned.

When it matters: When you need the floor head design to match your mix of carpets and hard floors.

Importance: LOW

soft roller

Roller type

What it is: The roller material or profile used to move across the floor and lift debris.

When it matters: When you want the contact surface to suit delicate floors, embedded dirt, or hair pickup better.

Importance: LOW

multi-surface

Anti-tangle brush

What it is: A brush design intended to reduce hair wrapping and tangling around the roller.

When it matters: When long hair regularly wraps around the brush and you want less manual cleaning.

Importance: LOW

Mini motorized brush

What it is: A small powered cleaning head intended for upholstery, stairs, and concentrated dirt or pet hair.

When it matters: When you clean sofas, stairs, or pet beds where a powered small head works better than a standard nozzle.

Importance: LOW

Suitable for pet owners

What it is: Indicates whether the vacuum is especially suited to homes where pet hair is a regular cleaning concern.

When it matters: When pet hair is one of the main reasons you are buying a vacuum in the first place.

Importance: MEDIUM

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Design

6.9

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Vacuum type

What it is: Identifies the vacuum's overall form factor, such as stick, canister, upright, handheld, or wet-dry.

When it matters: When storage, maneuverability, and your usual cleaning jobs matter more than raw suction numbers.

Importance: LOW

stick

Weight

What it is: The total mass of the vacuum cleaner, which affects carrying comfort and ease of use.

When it matters: When you carry the vacuum upstairs, around the house, or use it for longer sessions.

Importance: MEDIUM

2-in-1 design

What it is: A design that allows the vacuum to be used in two form factors, typically as a stick unit and a handheld unit.

When it matters: When you want one machine to handle both floors and quick handheld jobs.

Importance: LOW

Self-standing

What it is: Indicates whether the vacuum can remain upright on its own without being leaned against support.

When it matters: When you want to pause mid-clean without laying the vacuum on the floor or wall.

Importance: LOW

Adjustable tube height

What it is: Indicates whether the tube length can be adjusted to change reach and handling height.

When it matters: When different users share the vacuum or you want a more comfortable reach.

Importance: LOW

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Smart features

9.4

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Auto suction adjustment

What it is: A function that changes suction automatically based on floor type or detected dirt load.

When it matters: When you want the vacuum to react by itself as you move between floor types or dirt levels.

Importance: LOW

Dust particle sensor

What it is: A sensor that monitors fine debris levels to inform or automate cleaning behavior.

When it matters: When you want extra feedback in dusty rooms instead of relying only on what you can see.

Importance: LOW

LED display

What it is: A built-in illuminated display used to show status information such as battery, mode, or alerts.

When it matters: When you want cleaner status feedback for battery, mode, and warnings at a glance.

Importance: LOW

Nozzle light

What it is: A light built into the cleaning head to improve visibility in dark areas under furniture or along edges.

When it matters: When you vacuum under beds, sofas, or dark corners where hidden dust is easy to miss.

Importance: LOW

Mopping support

What it is: Indicates whether the appliance can also wipe or mop surfaces in addition to vacuuming.

When it matters: When you want one appliance to handle both dry vacuuming and light floor wiping.

Importance: LOW

Shark Stratos IZ420UKT vs the average vacuum cleaner

Why is Shark Stratos IZ420UKT better than the average vacuum cleaner?

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70 minutes longer runtime
Shark Stratos IZ420UKT offers longer battery runtime than the average vacuum cleaner (120 minutes vs 50 minutes).
What it is: The maximum operating time the vacuum can deliver on a full charge in standard use.
When it matters: When you want to finish your normal cleaning routine on one charge.
Importance: HIGH
Shark Stratos IZ420UKT offers longer battery runtime than the average vacuum cleaner (120 minutes vs 50 minutes).120 minutes vs 50 minutes
69 AW stronger suction
Shark Stratos IZ420UKT has higher suction power than the average vacuum cleaner (219 AW vs 150 AW).
What it is: A measure of usable suction output in air watts, combining airflow and pressure into one cleaning-power figure.
When it matters: When you want the clearest single number for overall cleaning power on carpets and stubborn debris.
Importance: HIGH
Shark Stratos IZ420UKT has higher suction power than the average vacuum cleaner (219 AW vs 150 AW).219 AW vs 150 AW
Cordless operation
Shark Stratos IZ420UKT works cordlessly, the average vacuum cleaner does not.
What it is: Indicates whether the vacuum can run without being connected to a power cable.
When it matters: When you want to move quickly between rooms, stairs, or cars without trailing a power cord.
Importance: MEDIUM
Shark Stratos IZ420UKT works cordlessly, the average vacuum cleaner does not.
Includes mini motorized brush
Shark Stratos IZ420UKT includes a mini motorized brush, the average vacuum cleaner does not.
What it is: A small powered cleaning head intended for upholstery, stairs, and concentrated dirt or pet hair.
When it matters: When you clean sofas, stairs, or pet beds where a powered small head works better than a standard nozzle.
Importance: LOW
Shark Stratos IZ420UKT includes a mini motorized brush, the average vacuum cleaner does not.
Includes anti-tangle brush
Shark Stratos IZ420UKT includes an anti-tangle brush, the average vacuum cleaner does not.
What it is: A brush design intended to reduce hair wrapping and tangling around the roller.
When it matters: When long hair regularly wraps around the brush and you want less manual cleaning.
Importance: LOW
Shark Stratos IZ420UKT includes an anti-tangle brush, the average vacuum cleaner does not.
Automatic suction adjustment
Shark Stratos IZ420UKT supports automatic suction adjustment, the average vacuum cleaner does not.
What it is: A function that changes suction automatically based on floor type or detected dirt load.
When it matters: When you want the vacuum to react by itself as you move between floor types or dirt levels.
Importance: LOW
Shark Stratos IZ420UKT supports automatic suction adjustment, the average vacuum cleaner does not.
Includes dust particle sensor
Shark Stratos IZ420UKT includes a dust particle sensor, the average vacuum cleaner does not.
What it is: A sensor that monitors fine debris levels to inform or automate cleaning behavior.
When it matters: When you want extra feedback in dusty rooms instead of relying only on what you can see.
Importance: LOW
Shark Stratos IZ420UKT includes a dust particle sensor, the average vacuum cleaner does not.
Includes removable battery
Shark Stratos IZ420UKT includes a removable battery, the average vacuum cleaner does not.
What it is: Indicates whether the battery can be detached and replaced separately from the vacuum body.
When it matters: When you want the option to swap batteries or replace one later instead of replacing the whole vacuum.
Importance: LOW
Shark Stratos IZ420UKT includes a removable battery, the average vacuum cleaner does not.
69 AW stronger suction
Shark Stratos IZ420UKT has higher suction power than the average vacuum cleaner (219 AW vs 150 AW).
291 W lower power draw
Shark Stratos IZ420UKT draws less power than the average vacuum cleaner (309 W vs 600 W).
1 more speed level
Shark Stratos IZ420UKT offers more speed levels than the average vacuum cleaner (3 vs 2).
20 mm wider cleaning path
Shark Stratos IZ420UKT has a wider cleaning path than the average vacuum cleaner (280 mm vs 260 mm).
70 minutes longer runtime
Shark Stratos IZ420UKT offers longer battery runtime than the average vacuum cleaner (120 minutes vs 50 minutes).
Cordless operation
Shark Stratos IZ420UKT works cordlessly, the average vacuum cleaner does not.
Includes removable battery
Shark Stratos IZ420UKT includes a removable battery, the average vacuum cleaner does not.
0.5 hours faster charging
Shark Stratos IZ420UKT charges faster than the average vacuum cleaner (3.5 hours vs 4 hours).
Includes battery indicator
Shark Stratos IZ420UKT includes a battery level indicator, the average vacuum cleaner does not.
3 V higher voltage
Shark Stratos IZ420UKT has a higher battery voltage than the average vacuum cleaner (25.2 V vs 22.2 V).
Includes mini motorized brush
Shark Stratos IZ420UKT includes a mini motorized brush, the average vacuum cleaner does not.
Includes anti-tangle brush
Shark Stratos IZ420UKT includes an anti-tangle brush, the average vacuum cleaner does not.
Includes foldable tube
Shark Stratos IZ420UKT includes a foldable tube, the average vacuum cleaner does not.
95 mm shallower body
Shark Stratos IZ420UKT is less deep than the average vacuum cleaner (170 mm vs 265 mm).
Includes dust particle sensor
Shark Stratos IZ420UKT includes a dust particle sensor, the average vacuum cleaner does not.
Automatic suction adjustment
Shark Stratos IZ420UKT supports automatic suction adjustment, the average vacuum cleaner does not.
Includes nozzle light
Shark Stratos IZ420UKT includes a nozzle light, the average vacuum cleaner does not.
Includes LED display
Shark Stratos IZ420UKT includes an LED display, the average vacuum cleaner does not.

Why is Shark Stratos IZ420UKT worse than the average vacuum cleaner?

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Louder operation
Shark Stratos IZ420UKT is noisier than the average vacuum cleaner (67-86 dB vs 77-77 dB).
2 minutes shorter turbo runtime
Shark Stratos IZ420UKT offers shorter turbo runtime than the average vacuum cleaner (10 minutes vs 12 minutes).
0.3 L smaller dust bin
Shark Stratos IZ420UKT has a smaller dust capacity than the average vacuum cleaner (0.7 L vs 1 L).
16.5% higher weight
Shark Stratos IZ420UKT is heavier than the average vacuum cleaner (4.1 kg vs 3.52 kg).
Louder operation
Shark Stratos IZ420UKT is noisier than the average vacuum cleaner (67-86 dB vs 77-77 dB).
What it is: The operating sound range of the vacuum across its available modes, measured in decibels.
When it matters: When you clean in apartments, around children, or at night and want a quieter machine.
Importance: HIGH
Shark Stratos IZ420UKT is noisier than the average vacuum cleaner (67-86 dB vs 77-77 dB).67-86 dB vs 77-77 dB
0.3 L smaller dust bin
Shark Stratos IZ420UKT has a smaller dust capacity than the average vacuum cleaner (0.7 L vs 1 L).
What it is: The amount of dust or debris the container or bag can hold before it needs to be emptied or replaced.
When it matters: When you want to empty the dust container less often during bigger cleaning jobs.
Importance: MEDIUM
Shark Stratos IZ420UKT has a smaller dust capacity than the average vacuum cleaner (0.7 L vs 1 L).0.7 L vs 1 L
2.8x more expensive
Shark Stratos IZ420UKT is more expensive than the average vacuum cleaner (£420 vs £150).
Shark Stratos IZ420UKT is more expensive than the average vacuum cleaner (£420 vs £150).£420 vs £150
16.5% higher weight
Shark Stratos IZ420UKT is heavier than the average vacuum cleaner (4.1 kg vs 3.52 kg).
What it is: The total mass of the vacuum cleaner, which affects carrying comfort and ease of use.
When it matters: When you carry the vacuum upstairs, around the house, or use it for longer sessions.
Importance: MEDIUM
Shark Stratos IZ420UKT is heavier than the average vacuum cleaner (4.1 kg vs 3.52 kg).4.1 kg vs 3.52 kg
2 minutes shorter turbo runtime
Shark Stratos IZ420UKT offers shorter turbo runtime than the average vacuum cleaner (10 minutes vs 12 minutes).
What it is: The operating time available when the vacuum runs in its highest power or turbo setting.
When it matters: When you often use max power for rugs, pet hair, or deep-cleaning short bursts.
Importance: LOW
Shark Stratos IZ420UKT offers shorter turbo runtime than the average vacuum cleaner (10 minutes vs 12 minutes).10 minutes vs 12 minutes

Graphic comparison of Shark Stratos IZ420UKT and other vacuum cleaners

Attribute category

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Third-party reviews

United Kingdom

United States

(Reviews last updated: July 2026)

What customers like about Shark Stratos IZ420UKT?

Powerful suction performance on both carpets and hard floors
Excellent pet and human hair pick-up with the effective Anti Hair Wrap Plus system
Clean Sense IQ system automatically and accurately adjusts suction power based on dirt levels
Dual batteries provide reassurance and extended runtimes for larger homes
Flexology wand easily bends to clean under low-lying furniture and allows compact storage
Anti-Odour technology cartridge leaves a fresh laundry-like scent during operation
Clear digital LED smart display showing real-time battery percentage
Bright built-in headlights illuminate hidden dust and pet hair

What customers dislike about Shark Stratos IZ420UKT?

Battery drains very quickly when used continuously in high-power Boost mode
Feels slightly heavy and bulky to hold, especially when converted into a handheld unit
High premium purchase price compared to standard cordless models
Dust bin capacity requires frequent emptying during deep cleans
Lacks a dedicated freestanding charging stand for the vacuum and all attachments
Attaching and removing certain accessories can feel stiff or tricky to manipulate

Expert reviews

trustedreviews.com

05/10/2022

Summary of the review

Shark Stratos Anti Hair Wrap Plus Pet Pro Cordless Vacuum IZ420UKT Review

The Trusted Reviews evaluation of the Shark Stratos Anti Hair Wrap Plus Pet Pro Cordless Vacuum (IZ420UKT) praises it as a powerful, feature-rich model with two batteries providing up to two hours of combined runtime. Key highlights include the automatic Clean Sense IQ suction adjustment, an odor-neutralizing cartridge, and a versatile Flexology wand. However, the review notes a high retail price, a significantly shorter battery life under heavy use, and a heavy floorhead that can make cleaning stairs more difficult.

smart-home-fox.co.uk

07/07/2023

Summary of the review

Shark Stratos Cordless Vacuum Review (IZ420UKT) | UK 2026

The Shark Stratos IZ420UKT is recognized for its powerful suction, superior Anti Hair-Wrap technology, and versatile Flexology design, making it an excellent cleaner for various floor types. While offering advanced features like anti-odour technology and long battery life, the vacuum is noted for its high price, elevated noise levels, and increased weight due to the specialized brush head.

standard.co.uk

29/11/2022

Summary of the review

Shark Stratos Vacuum review: does it really live up to the hype?

The Evening Standard review of the Shark Stratos Anti Hair Wrap Plus Pet Pro Cordless Vacuum (IZ420UKT) praises its DuoClean floor-transitioning brush head, anti-odour technology, and flexible Multiflex wand, while noting the 120-minute battery runtime is misleading and only achievable with a second battery on low power. The vacuum is lauded for its cleaning power and design features, but the high-demand cleaning modes significantly reduce the battery life, which is a key limiting factor.

independent.co.uk

07/01/2026

Summary of the review

Best Shark vacuum cleaners 2026, tried and tested

The Independent’s review highlights six top Shark vacuum cleaners, praising models like the Cordless Clean and Empty (BU3521UK) for strong suction and the IZ420UKT for pet-hair-focused anti-hair-wrap technology. While offering versatile, user-friendly features, the review notes that high-end models come with premium price tags up to £479.99 and that choosing between corded or cordless models requires weighing portability against power needs.

smart-home-fox.de

20/01/2025

Summary of the review

Shark Stratos Anti Hair Wrap Plus: how good is it? | 2026

The Shark Stratos Anti Hair Wrap Plus IZ420EUT is recommended as a high-performance cordless vacuum featuring a versatile DuoClean PowerFins Plus nozzle, strong suction, and a 90-to-120 minute runtime via dual batteries. Key advantages include the flexible Flexology wand and Auto IQ power adjustment, while noted drawbacks are the heavy 4 kg weight, loud operation (72-78 dB), lack of a premium display, and absence of a certified HEPA filter.

test.de

27/01/2026

Summary of the review

Test: Shark IZ420EUT - Stiftung Warentest Review

The Stiftung Warentest review evaluates the Shark IZ420EUT cordless stick vacuum, awarding it an overall mediocre grade of 3.5 ("befriedigend"). On the positive side, the vacuum is praised for its long battery life via a dual battery setup, a flexible bendable suction tube for low-furniture cleaning, an allergen-trapping HEPA filter, and effective fiber and hair pick-up. However, it falls short due to only average suction performance, mediocre handling, and poor environmental properties.

lesnumeriques.com

19/12/2022

Summary of the review

Shark Stratos IZ420EUT review: The cordless vacuum that got too big for its boots

The Shark Stratos IZ420EUT is a powerful, versatile cordless vacuum featuring DuoClean and PowerFins Plus technology, along with an effective Clean Sense IQ system and a flexible MultiFLEX wand, as reviewed by Les Numériques. While praised for exceptional performance on carpets and hard floors and for including two swappable batteries, the model is hindered by a heavy, cumbersome floorhead and overall weight, making it challenging to maneuver.

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