We ranked the top cordless vacuums on Amazon.co.uk across 20 critical factors including suction power, battery life, weight, filtration, and total running cost. No sponsored placements.
Ranked by overall score · Amazon.co.uk affiliate links
The most technologically advanced cordless vacuum available. A piezoelectric sensor counts and classifies particles in real time, displaying the data on the LCD screen and automatically boosting suction when it detects high-particle areas. The green laser illuminates dust on hard floors that is invisible to the naked eye. 60-minute runtime on Eco mode, 230 AW suction in Boost. The definitive choice for anyone who wants objective proof their floors are clean.
The V15's lighter sibling — 2.2 kg versus 3.1 kg — with the same green laser detection and acoustic particle sensing. 120 AW suction versus 230 AW on the V15, which is sufficient for hard floors and medium-pile carpets. 60-minute Eco runtime. The right choice for apartments and smaller homes where the V15's extra weight and power would go unused, but laser detection and real-time air quality data are still desired.
The strongest Dyson alternative at $399. Dual-brush DuoClean technology — a soft front roller plus a bristle brush — picks up both fine dust and large debris in a single pass on hard floors, where Dyson's single-head designs require separate attachments. Built-in Odour Neutraliser technology uses activated charcoal to reduce pet odours during vacuuming. Anti-hair wrap removes hair from the brush roll automatically. At $150 less than the V12, a compelling choice for pet households.
Not a traditional vacuum — a wet-dry cordless floor washer that vacuums and washes simultaneously. The iLoop Smart Sensor detects dirt and automatically increases suction and water flow in soiled areas. Self-cleaning function flushes the brush roll while the machine is still running. For hard floor households (tile, LVP, hardwood) that want a single pass to vacuum and mop, the Floor One S5 replaces both a vacuum and a mop. Not for carpet — this is a hard floor specialist.
Bissell's entry into the wet-dry cordless category at $299 — $200 less than the Tineco Floor One S5. Vacuums and washes simultaneously on hard floors and area rugs. Two-tank system keeps clean water and dirty water separate throughout the clean. The pet hair strainer in the dirty water tank makes hair disposal less messy. Runtime is 30 minutes, shorter than the Tineco. The most affordable all-in-one cordless floor cleaner, and a portion of every purchase goes to Bissell's pet rescue foundation.
At $149, the HomeVac S11 Go is the entry point for legitimate cordless vacuuming. A 2,200 Pa suction motor handles hard floors, low-pile carpets, and stairs competently. 40-minute runtime in standard mode. 1.3 kg in handheld configuration makes it the lightest here — useful for car interiors and above-floor cleaning. No HEPA filtration (filtered to 99% of 0.3-micron particles, not the 99.97% True HEPA standard). For budget-conscious buyers who need a capable second vacuum or a dedicated car/stairs cleaner, it delivers well above its price.
All six models side by side. Full comparison →
| Model | Price | Suction | Battery | Weight | Filtration | Floor types | Buy |
|---|---|---|---|---|---|---|---|
| Dyson V15 Detect Absolute | £649 | 230 AW (Boost) | 60 min (Eco) / 10 min (Boost) | 3.1 kg / 6.8 lb | HEPA whole-machine | All — carpet, hard floor, tile | View on Amazon.co.uk |
| Dyson V12 Detect Slim | £499 | 120 AW (Boost) | 60 min (Eco) / 7 min (Boost) | 2.2 kg / 4.9 lb | HEPA whole-machine | All — lighter on thick carpet | View on Amazon.co.uk |
| Shark Stratos Cordless IZ862H | £349 | 60 DU (Clean Sense IQ) | 60 min (auto) / 15 min (max) | 3.3 kg / 7.2 lb | Anti-Allergen Complete Seal + HEPA | All — DuoClean excels on hard floor | View on Amazon.co.uk |
| Tineco Floor One S5 | £399 | Wet-dry simultaneous | 35 min (typical) | 4.5 kg / 9.9 lb | Multi-layer filter | Hard floors only — tile, LVP, hardwood | View on Amazon.co.uk |
| Bissell CrossWave Cordless Max | £249 | Wet-dry simultaneous | 30 min (typical) | 4.7 kg / 10.4 lb | Multi-surface filter | Hard floors + area rugs | View on Amazon.co.uk |
| Eufy HomeVac S11 Go | £129 | 2,200 Pa | 40 min (standard) / 11 min (max) | 1.3 kg / 2.9 lb (handheld) | 3-stage (not HEPA-certified) | Hard floors, low-pile carpet, stairs | View on Amazon.co.uk |
Five questions that narrow down the right model.
The most important question. If you have mostly hard floors (tile, LVP, hardwood), a wet-dry model like the Tineco Floor One S5 or Bissell CrossWave replaces both your vacuum and mop in one pass. For mixed hard floor and carpet, the Dyson V15 or Shark Stratos handles both. For mostly thick carpet, the Dyson V15 (230 AW) is the strongest option here.
For a typical apartment or home under 100 m², 30–40 minutes of runtime is sufficient — that covers the Bissell CrossWave and Eufy S11 Go. For larger homes or those who dislike recharging mid-clean, the Dyson V15 and V12 offer 60 minutes on Eco mode, enough for most three-bedroom homes in a single charge.
For pet households, the Shark Stratos IZ862H is the standout recommendation. Its anti-hair wrap technology removes hair from the brush roll automatically — eliminating the frustrating manual hair-cutting task. The Dyson V15's high suction also handles embedded pet hair in carpet well. Both include sealed HEPA-level filtration to trap allergens rather than redistribute them.
The Dyson V15 at 3.1 kg and Shark Stratos at 3.3 kg are typical for premium stick vacuums — fine for most users. The Eufy HomeVac S11 Go at 1.3 kg in handheld mode is the lightest here, ideal for stairs, cars, and users with limited hand strength. Wet-dry models (4.5–4.7 kg) are floor-only — do not use them above the floor.
Both Dyson models (V15 and V12) use a whole-machine sealed HEPA filtration system — air that enters the vacuum only exits through the HEPA filter, trapping 99.97% of particles ≥0.3 microns. The Shark Stratos uses Anti-Allergen Complete Seal + HEPA, effectively equivalent. If you or a family member has asthma or severe allergies, insist on sealed HEPA — the Eufy's filter is 99% efficient but not HEPA-certified.
What does AW (Air Watts) mean on a cordless vacuum?
Air Watts is calculated from both airflow rate and suction pressure and is the best single-number indicator of a cordless vacuum's real-world cleaning power. A Dyson V15 rated at 230 AW will clean more effectively than a competitor rated at 150 AW regardless of other specifications. Pa (Pascals) measures static suction pressure only — useful but incomplete without knowing airflow. When comparing Dyson to other brands, always compare AW rather than Pa.
How long do cordless vacuum batteries last before they need replacing?
Lithium-ion batteries in cordless vacuums typically last 3–5 years or 300–500 full charge cycles before capacity degrades noticeably. Most users charge their vacuum after every 1–2 uses rather than running it to empty, which extends battery life. Dyson sells replacement battery packs for all current models (typically $60–$100). Avoid leaving the battery on the charger indefinitely — most Dyson chargers cut off automatically, but remove the battery if storing for more than a month.
Can a cordless vacuum completely replace a corded vacuum?
For most homes, yes. The Dyson V15 Detect at 230 AW delivers suction comparable to or exceeding most mid-range corded uprights, without the cable restriction. The practical limitation is runtime — very large homes (200+ m²) may need a mid-session recharge on Eco mode. The exception is wet-dry models like the Tineco and Bissell: these replace both a vacuum and a mop for hard floors but are not suitable as the only vacuum in homes with substantial carpet.
What is the difference between Pa (Pascals) and AW (Air Watts) suction ratings?
Pa measures static suction — the maximum pressure differential the motor can generate at the nozzle when airflow is completely blocked. It tells you how well the vacuum seals against surfaces but says nothing about airflow rate. AW (Air Watts) = (airflow in CFM × static pressure in inches of water) ÷ 8.5. It combines both measurements into a single power figure. High Pa with low airflow = strong seal but poor debris transport. High AW = strong in both dimensions. Dyson rates in AW; many budget brands use Pa to appear more impressive.
Are cordless vacuums effective for pet hair on carpet?
Yes, with appropriate selection. On carpet, the key factor is suction power — the Dyson V15 at 230 AW lifts embedded pet hair from carpet fibres effectively. On hard floors, the key factor is brush roll design — the Shark Stratos DuoClean picks up both fine hair and large debris in a single pass. For allergy sufferers with pets, sealed HEPA filtration (Dyson V15, V12, Shark Stratos) prevents allergens from being redistributed into the air during vacuuming.