Numatic Henry Quick Cordless Vacuum vs Shark Stratos IZ420UKT Cordless Vacuum (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Numatic Henry Quick Cordless Vacuum

8.9/10 Great

4.5★ (6,800 owners)

HepaFlo bags, 60min removable pods, anti-tangle, the iconic Henry face, British. Bagged cordless.

Full Review

Shark Stratos IZ420UKT Cordless Vacuum

9.0/10 Excellent

4.5★ (8,600 owners)

Anti-hair wrap, DuoClean FloorNinja, HEPA, 45min runtime. Dyson V11 equivalent at lower price.

Full Review

At a Glance

	Numatic Henry Quick Cordless Vacuum	Shark Stratos IZ420UKT Cordless Vacuum
247Verdict Score	8.9/10	9.0/10
Owner Rating	4.5★ (6,800)	4.5★ (8,600)
Verdict	Great	Excellent
Runtime	60 min	45 minutes

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Numatic Henry Quick Cordless Vacuum: HepaFlo bags, 60min removable pods, anti-tangle, the iconic Henry face, British. Bagged cordless. Shark Stratos IZ420UKT Cordless Vacuum: Anti-hair wrap, DuoClean FloorNinja, HEPA, 45min runtime. Dyson V11 equivalent at lower price. Choose based on your specific needs. Check the current price on Amazon →

Pros & Cons Side by Side

Numatic Henry Quick Cordless Vacuum

HepaFlo bagged system — empty hygienically without any dust cloud, ideal for allergy sufferers
Removable battery pods swap for continuous cleaning beyond 60 minutes
The iconic Henry smiling face design beloved across British homes
Anti-tangle brush and HEPA-grade filtration
Numatic's commercial-grade build heritage in a cordless home format

Bags are an ongoing consumable cost vs bagless alternatives
Less suction than Dyson V15 flagship
Bagged capacity smaller than corded Henry

Shark Stratos IZ420UKT Cordless Vacuum

Anti-Hair Wrap technology removes pet and human hair from brush roll automatically
DuoClean FloorNinja head transitions from hard floors to carpet without attachment changes
HEPA filtration matches Dyson for allergy-safe deep cleaning
45-minute runtime on standard mode covers most UK homes in single charge
Comparable cleaning performance to Dyson V11 at 30-40% lower price

Heavier at 3.5kg than Dyson V15 — more tiring for extended use
No laser dust detection — cleaning completion is visual estimation only
Battery not user-replaceable without tools

FAQ

Which is better, Numatic Henry Quick or Shark Stratos IZ420UKT?

Is the Numatic Henry Quick worth the extra cost?

The Shark Stratos IZ420UKT Cordless Vacuum matches or exceeds it at a potentially lower price point.

Who is the Numatic Henry Quick best suited to?

HepaFlo bags, 60min removable pods, anti-tangle, the iconic Henry face, British. Bagged cordless.

Who is the Shark Stratos IZ420UKT best suited to?

Anti-hair wrap, DuoClean FloorNinja, HEPA, 45min runtime. Dyson V11 equivalent at lower price.

What are the main downsides of each?

Numatic Henry Quick Cordless Vacuum: Bags are an ongoing consumable cost vs bagless alternatives; Less suction than Dyson V15 flagship. Shark Stratos IZ420UKT Cordless Vacuum: Heavier at 3.5kg than Dyson V15 — more tiring for extended use; No laser dust detection — cleaning completion is visual estimation only.

Do owner ratings agree with our verdict?

Largely, yes — Numatic Henry Quick Cordless Vacuum sits at 4.5★ from 6,800 verified Amazon owners, and Shark Stratos IZ420UKT Cordless Vacuum at 4.5★ from 8,600.

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