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The Ninja Foodi MAX Dual Zone AF400UK is the best Ninja air fryer for most UK households. It combines a 9.5-litre capacity with two independent cooking zones, six functions and Sync and Match modes. Independent named it the best Ninja model overall in its guide, while the specification makes it suitable for cooking two foods at different settings or finishing them together.
Currys lists the white AF400UKWH at £159.97, with two baskets and six pre-set functions. The black AF400UK is listed by SharkNinja at £189.99, so check the colour and retailer before buying. The retailer prices in this guide were checked on 7 September 2026 and can change.
If you want one clear recommendation, choose the AF400UK. For a smaller kitchen, a single-basket model is easier to accommodate. For precise cooking of meat, the AF451UK adds a digital cooking thermometer.
For a wider comparison beyond Ninja, see our guide to the best air fryer in the UK.
Choose the AF400UK if you regularly cook a main and a side at the same time. Its two independent zones allow different foods to use different settings, while Sync makes them finish together. Match mode applies the same settings to both zones when you need a larger batch of one food.
The 9.5-litre capacity is the main reason this is the best all-round choice. SharkNinja says it can cook food for eight or more people and can be up to 75% faster than a conventional fan oven. Those are the manufacturer’s comparison claims, so treat them as a guide rather than a guarantee for every recipe.
Its main compromise is size: two drawers occupy more worktop space than a compact single-basket air fryer. That is worthwhile for larger households, but unnecessary if you normally cook one portion or one small dish.
The list below separates the models by use rather than treating every Ninja air fryer as interchangeable. The prices shown are the verified UK listings attached to each model.
| Model | Best for | Key specification | Listed price |
|---|---|---|---|
| Ninja Foodi MAX Dual Zone AF400UK | Best overall | 9.5L, two zones, six functions, Sync/Match | £159.97 at Currys |
| Ninja Foodi MAX Dual Zone AF451UK | Cooking by internal temperature | 9.5L, two zones, six functions, digital thermometer | £249.99 at SharkNinja |
| Ninja DualZone XL DZ901UK | Dual-zone value | 9.5L, two zones, six programmable functions | £169.99 at SharkNinja |
| Ninja MAX 6-in-1 Dual Zone DZ400UK | Large dual-zone cooking | 9.5L and two cooking zones | £169.99 at SharkNinja |
| Ninja DualZone 7.6L DZ801UK | A slightly smaller dual model | 7.6L, two baskets, six programmable functions | £149.99 at SharkNinja |
| Ninja Air Fryer MAX PRO AF180UKBRN | Single-basket flexibility | 6.2L, one basket, six functions | £129.99 at SharkNinja |
| Ninja Foodi MAX 15-in-1 SmartLid OL750UK | Multicooking | 7.5L, 15 functions, digital thermometer | £269.99 at Currys |
The MAX XL name makes most sense for shoppers who need a larger-capacity Ninja, but check the exact model before paying. Ninja uses several MAX and XL names across its range, including dual-zone and single-basket products, so the name alone does not tell you the capacity or features.
The independent review of a Ninja MAX XL found weaker performance at lower temperatures and noted that the Max Crisp setting could not be adjusted. That matters if you want fine control over gentler cooking. A dual-zone model such as the AF400UK is a more useful choice when your priority is cooking two foods at once.
Choose the Ninja Foodi MAX 15-in-1 SmartLid OL750UK if you want an air fryer combined with a broader multicooker. It has a 7.5-litre capacity, 15 cooking functions, a digital cooking thermometer and a two-year guarantee. Currys lists it at £269.99, reduced from £319.99.
This is a different proposition from the AF400UK. The AF400 focuses on two simultaneous air-frying zones, while the OL750UK is designed for people who will use its wider range of cooking functions. It is also a substantial appliance: Currys lists its weight as 11.3kg and its dimensions as 438 × 391 × 398mm. Measure the storage space before buying.
A single-basket Ninja is the sensible choice when you usually cook one food and want to save worktop space. The Air Fryer MAX PRO AF180UKBRN has a 6.2-litre basket, six functions and a listed price of £129.99. It gives you more capacity than the basic AF110UK without the width and complexity of two drawers.
The AF110UK is the simpler option: one 4.7-litre basket, three functions and a maximum temperature of 210°C. SharkNinja lists it at £79.99. It is best suited to shoppers who want the basic air-frying format and do not need dual-zone cooking.
Woman & Home identifies the Ninja Air Fryer Pro as a value option under £100 and the MAX AF160UK as an option with the largest single basket in its guide. Those recommendations are useful reminders that a single basket can be a better fit than a large dual model when cooking volume is modest.
Pick the AF400UK for the strongest all-round balance, the AF451UK for its thermometer, and the DZ801UK when 7.6 litres is enough. All three are dual-zone designs, but they target different priorities.
Which? describes the AF400UK as the more expensive dual model with Sync, while its AF100UK description covers the cheaper single-basket approach. That distinction is useful: pay for two zones when simultaneous cooking solves a real problem, rather than simply choosing the largest appliance.
The main drawbacks are size, cleaning and price, particularly with larger Ninja models. T3 identifies all three as disadvantages of big Ninja air fryers. Two drawers and a wide body can take considerable worktop and cupboard space, while more removable parts can make cleaning less convenient.
Cost is another consideration. A basic Ninja single-basket model is listed below £100, while dual-zone and multicooker models reach well beyond that level. Ideal Home also warns that retailers may sell air fryers above their recommended price and that even cheaper dual models normally cost more than £100.
Finally, more functions do not automatically mean a better air fryer. If you only need to crisp chips, vegetables or a small portion, a 4.7-litre or 6.2-litre single basket may be easier to use than a 15-in-1 multicooker.
The Ninja Foodi MAX Dual Zone AF400UK is the best choice for most households. It has 9.5 litres, two independent cooking zones, six functions and Sync and Match modes. Independent named it the best Ninja model overall, while the AF451UK is the better fit if you specifically want an integrated digital cooking thermometer.
They are not all being discarded. The practical reasons some owners may stop using or return an air fryer include the amount of worktop space it occupies, cleaning, limited capacity and the price of larger premium models. A single-basket model addresses some of those concerns, but it cannot cook two different foods independently.
It is worth paying more when you will use the extra capacity, two cooking zones, Sync function or digital thermometer. The AF400UK is listed at £159.97 in white by Currys, while the AF451UK is listed at £249.99 by SharkNinja. The difference is mainly justified by the AF451UK’s integrated thermometer and not simply by its air-frying capacity.
Large Ninja models can be bulky, harder to clean and more expensive than simpler air fryers. An independent MAX XL review also reported weaker results at lower temperatures and an unadjustable Max Crisp setting. Check the basket size, available storage and cooking controls before choosing a premium model.
