Best Air Purifier Picks — UK

Use-case buying guides built on UK specs, UK prices, and honest data.

• Best Air Purifier UK (Overall) — The complete UK shortlist ranked by 3-year total cost of ownership.
• Best for Allergies — Allergy UK and ECARF certified picks.
• Best for Asthma — YMYL-compliant guide with NHS framing.
• Best for Pets — Pet dander, hair, and odour picks.
• Best for Smoke — Wood-burner and cooking smoke; carbon is the story.
• Best for Mould & Damp — Spores vs surface mould; when a dehumidifier is the right call.
• Best for Bedroom — Sleep-noise ranked; no model above 32 dB.
• Best for Large Rooms — Covering 30 m²+; CADR 350 m³/h minimum.
• Best for Dust — CADR at medium speed; what the data gap means.
• Best Under £100 — True first-year costs included — none stay under £100.
• Quietest Air Purifiers UK — 11-model dB ranking from 17 dB to 35 dB.