Air fryers in the UK range from under £30 to nearly £250, and the gap is not just marketing. Capacity, wattage on a 240V UK plug, and cooking zones all shift meaningfully as you spend more. This guide maps each price tier to what you actually get, so you stop second-guessing and start cooking.
What to look for
01Capacity: litres per person, not just the headline number
A 2L basket, like the Chefman mini, comfortably handles one portion of chips or two chicken thighs. Step up to 7.6L and you can feed four to six people in a single batch. At 9.5L or the Ninja FlexDrawer's 10.4L, you are cooking for eight or running two completely different dishes simultaneously. The rule of thumb used by most UK home cooks is roughly 1L to 1.5L of basket space per person. A family of four should be looking at 6L minimum. Dual-zone models split that capacity across two drawers, which is genuinely useful when one person wants roasted vegetables at 200°C and another wants fish at 180°C. Measure your worktop before buying: a 9.5L dual-zone unit typically sits around 35–38cm wide, which can crowd a standard 60cm UK kitchen worktop when a kettle and toaster are already there.
02Wattage and running costs on UK mains
UK mains runs at 240V, and air fryer wattage matters both for how fast food cooks and what it costs to run. Compact models like the 2L Chefman draw around 1,000W. Mid-range single-basket fryers typically sit at 1,400–1,700W. Large dual-zone models, including the Ninja 9.5L range, often pull 2,400W at peak. At the current UK unit rate of roughly 24p per kWh, a 2,400W fryer running for 20 minutes costs about 19p per session. That is still considerably less than a fan oven preheating from cold. In a hard-water area, limescale is less of a concern with air fryers than with kettles, but the heating element does benefit from occasional wiping to maintain efficiency.
03Single basket vs dual zone: when the premium is worth it
Single-basket air fryers are simpler, cheaper, and easier to clean. If you cook one dish at a time and your household has two people or fewer, a single basket between £30 and £100 covers almost every scenario. Dual-zone models add a second independent drawer with its own temperature and timer controls. The Ninja AF300UK at £149.00 and the Tower Vortx Vizion at £79.93 both offer this, but at different price points. The practical benefit is finishing two components of a meal at exactly the same time without juggling pans. For households cooking four or more portions regularly, the time saving justifies the extra spend. For a solo cook or a couple, it rarely does.
04Price tiers: what actually changes as you spend more
Under £50: you get a compact single basket, basic digital or analogue controls, and limited presets. The Chefman 2L at £29.99 is a fair example. It does the job for one person but has no dual-zone capability and a small footprint basket. £50–£100: capacity jumps to 7–9L, dual-zone becomes available (Tower Vortx Vizion at £79.93), and build quality improves noticeably. The Tefal Easy Fry at £99.99 adds an 8-in-1 function set and 8.3L across two drawers. £100–£175: you reach Ninja's core dual-zone lineup, with better airflow engineering, more consistent browning, and longer warranty support from a brand with strong UK after-sales. Above £175: you are paying for larger capacity (10.4L FlexDrawer), colour finishes, bundled accessories, or the convenience of buying from a major UK retailer with easy returns.
05Presets, smart features, and what to ignore
Every air fryer above £50 now ships with presets labelled chips, chicken, fish, and so on. These are starting points, not guarantees. Actual cook times depend on your food's thickness, whether it came from the fridge or freezer, and how full the basket is. A shake reminder, present on the Chefman and several Ninja models, is genuinely useful for chips and breaded items. Wi-Fi connectivity and app control exist on some premium models but add little practical value for most UK buyers: you still need to be in the kitchen to load the food. Focus your budget on capacity, wattage, and ease of cleaning rather than app features.
Our top picks
Best dual-zone fryer for families of four to sixNinja Foodi Dual Zone Digital Air
The Ninja AF300UK offers 7.6L across two independent drawers at £149.00, with six cooking functions including dehydrate. Its 90-day low hit £24.00, suggesting it drops sharply in sales, so it is worth adding to a price-alert list. Non-stick dishwasher-safe baskets and a 4.8-star average from nearly 18,500 UK buyers make this the most evidence-backed mid-range choice. Two zones finishing simultaneously is the feature that genuinely changes weeknight cooking for a busy household.
Best budget dual-zone fryer under £100Tower
The Tower T17100 Vortx Vizion delivers a 9L dual-basket setup and 10 one-touch presets at £79.93, down from a 90-day high of £94.97. Tower is a well-established UK brand with solid retailer availability and straightforward warranty support. For buyers who want dual-zone cooking without crossing the £100 mark, this is the most practical option in the lineup. The digital control panel is clear and the 9L capacity handles four to six portions comfortably.
Best mid-range pick for versatile cooking functionsTefal Easy Fry Dual Zone Digital
The Tefal Easy Fry EY901HG0 costs £99.99 and offers 8.3L across two drawers with eight cooking modes, including extra crisp and dehydrate. Its 90-day low of £67.98 shows meaningful discount potential, so watch for sales. Tefal's non-stick coating and dishwasher-safe baskets suit buyers who cook varied meals rather than just chips. At under £100 with dual-zone capability and a reputable French brand behind it, it sits in a genuinely competitive spot.
Best large-capacity fryer for big households or batch cookingNinja Foodi FlexDrawer Air Fryer
The Ninja FlexDrawer AF500UK has a 10.4L single drawer with a removable divider, giving you the flexibility of dual-zone or one large cooking space. At £196.00, it has dropped from a 90-day high of £259.89, making this a notably better moment to buy. Seven cooking functions and a 4.8-star rating from over 3,400 buyers confirm it performs. If you batch-cook on weekends or regularly feed six or more people, the extra litres justify the spend over the 9.5L alternatives.
Frequently asked
What size air fryer do I need for a family of four in the UK?
For four people, aim for at least 6L of basket capacity. A 7.6L dual-zone model such as the Ninja AF300UK handles four to six portions comfortably in one batch. If you regularly cook two different dishes at once, a dual-basket design is worth the extra cost. Single-basket models at this capacity exist but mean everything must cook at the same temperature and time, which limits flexibility on a typical weeknight.
Are air fryers expensive to run on UK electricity?
No, they are generally cheaper to run than a conventional fan oven. A 2,400W dual-zone air fryer running for 20 minutes uses 0.8 kWh, costing roughly 19p at the current UK average rate of about 24p per kWh. A fan oven drawing 2,000W for 40 minutes (including preheat) costs around 32p for the same session. Smaller 1,000W compact models cost even less per use. Air fryers also heat up in under two minutes, so there is no preheat cost to factor in.
Is a dual-zone air fryer worth the extra money?
It depends on how you cook. If you regularly prepare two components of a meal that need different temperatures or times, a dual-zone model saves real time and washing up. The Tower Vortx Vizion at £79.93 and the Ninja AF300UK at £149.00 both offer this. If you mostly cook one dish at a time or your household is one or two people, a single-basket model under £50 will cover your needs without the added cost or worktop footprint.
Which air fryer brands have the best UK warranty and after-sales support?
Ninja and Tefal both have established UK customer service operations and are widely stocked by major UK retailers including John Lewis, Currys, and Amazon UK, making returns and replacements straightforward. Tower is a UK-headquartered brand with good retailer coverage. Chefman is a US brand sold via Amazon UK; warranty claims are handled through Amazon's standard process, which is generally reliable but may involve return shipping rather than a local service centre.
Can I put air fryer baskets in the dishwasher?
Most modern air fryer baskets are dishwasher safe, including those on the Chefman 2L, Ninja AF300UK, Ninja FlexDrawer, and Tefal Easy Fry. Always check the manual for the specific model, as some non-stick coatings degrade faster with repeated dishwasher cycles at high temperatures. Hand washing with warm soapy water extends the life of the non-stick surface. The outer housing and heating element must never go in the dishwasher.