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We're constantly monitoring vacuum cleaner deals to bring you the best possible bargains on all types of vacs.
Whether you're after a trusty corded vacuum or a flashy cordless model, we've scoured the market to help you find genuine savings in the sea of deals.
Read on to discover the best prices this month and advice from our experts on how to bag a bargain.
To discover the top-scoring models, head straight to our guides to the best vacuum cleaners or best cordless vacuum cleaners
The vacuum cleaners we've selected are all models that scored well in our tests, although not all are Best Buys. You'll need to read the full review to find out if they're top performers.
* References to ‘Average price' and Cheapest price' are based on Which? market knowledge and information supplied by our partners. Prices are checked for the six calendar months prior to publication. Not all retailers are included in our checks.
* Average price in the past six months: £321.27. Cheapest price in the past six months: £239
We like: Comes with a spare battery
We don't like: It's a bit noisy
This cordless, handstick vacuum cleaner from Bosch is bagless, but the dust container can only hold around 0.5 litres, so it will need to be emptied fairly regularly.
The main floor head has LED lights to spotlight the dirt ahead. The vacuum automatically detects the floor type and adjusts the suction accordingly. Alongside the universal floorhead, it comes with a crevice tool and an upholstery brush.
Read our full Bosch Unlimited 7 BCS712GB review to see how it fared in our rigorous lab tests.
Not sure what type of vacuum cleaner you need? You'll find helpful buying advice on our guide to corded vs cordless vacuum cleaners
* Average price in the past six months: £474.16. Cheapest price in the past six months: £374.95
We like: Easy to use
We don't like: Not the quietest
Like many Dyson models, this one comes with eye-catching features including a laser beam to highlight tiny dust particles on hard floors, and a digital screen that displays how many particles it's hoovered up. It also shows you the power mode (auto, eco or boost), the battery life, and sends maintenance alerts.
This model comes with a hair tool for animal fur and long hair, a crevice tool for cleaning nooks and crannies, a wand clip, a low reach adapter, a combination tool and a charging station.
To find out how well it performed, read the full Dyson V12 Detect Slim Absolute review.
* Average price in the past six months: £693.06. Cheapest price in the past six months: £566.85
We like: Long run time
We don't like: Not the quietest
Dyson says this cordless vacuum has the longest run time yet and provides more suction than previous models. It has plenty of accessories and an LCD screen to show how many particles it’s picking up.
There's a detachable handheld unit and a host of nozzles and heads, including a motorised floor bar, an anti-tangle head for removing pet hair, a furniture and upholstery nozzle, and a crevice tool. You’ll also find a charging cable that can be used with or without the wall dock.
Is this the Dyson for you? Read our Dyson Gen5detect review to find out.
* Average price in the past six months: £278.55. Cheapest price in the past six months: £219
We like: Simple to empty
We don't like: Only average at retaining allergens
This cordless handstick from Numatic comes with an extra pet tool, as well as a furniture brush and a combi tool that doubles up as an upholstery nozzle. It also has a detachable handheld unit.
This is a bagged vacuum, which can be less messy than a dust container when it comes to emptying the dirt, but the dust pods will have to be regularly replaced.
Our expert Numatic Henry Quick Pet review will help you decide if this is the vac for your home.
* Average price in the past six months: £795.68. Cheapest price in the past six months: £399
We like: Versatile
We don't like: Fairly noisy
Samsung’s Bespoke Jet Plus Pro Extra cordless vacuum comes with a wet cleaning feature – the wet floor brush and wet pads are included. It also has a striking LCD digital display that shows you the suction power and running time, charging status, error messages and maintenance guide.
This is a bagless model with a fully washable dustbin. Other accessories include an extendable wand, upholstery nozzle, crevice tool, furniture brush, mini turbo brush, two additional dust bags and an angle tool.
Is this a vac worth splashing out on? Read our Samsung Bespoke Jet Plus Pro Extra VS20B95973B review to find out.
* Average price in the past six months: £219.63. Cheapest price in the past six months: £129.99
We like: Easy to use
We don't like: Allergen retention could be better
This Vax cordless vacuum cleaner has two power settings to choose from – standard and maximum – and the floorhead has handy headlights so you can see the dust under the sofa while you clean. The brush bar has stiff nylon bristles that can be switched on and off with a button on the handle, depending on the type of floor surface you’re cleaning.
Along with the vac itself, the box contains one lithium-ion battery and charger, a crevice nozzle, dusting brush, and wall mount. It also has an extra mini turbo tool for pet hair and a treated turbo brush bar that's designed to reduce the buildup of bacteria and fungi in its bristles.
So how good is this cordless vacuum cleaner? Read our full Vax Blade 4 Pet review to find out.
Should you buy a specific car vac? Read What type of vacuum is best for cars? to find out which features make cleaning your car easier
Andrew Laughlin, Which? vacuum cleaner expert, says:
With some vacuums almost perennially on 'special offer', it can be hard to know which deals are genuine money savers.
Stick to these golden rules to help get the best value with your next purchase.
Some models come with impressive-sounding features. Think Flexology (a flexible cleaning tube), or Lift-Away (a removable handheld unit), or Vax's QuickClean (also a removable unit).
While useful, some of these features aren't unique. You'll find similar features across many other brands, just with more conventional names.
Models in the same range (eg the Samsung Jet range) usually have the same core machine – the only difference is the accessories and supplied floor heads.
An entry-level model typically costs about £100 less than a premium model with all the accessories, so don't rush into buying a vacuum because of its features, as there could be cheaper options with the same capabilities.
Many vacs have a basic package and a more expensive pet variant, which comes with a mini-tool for cleaning up after your furry friends.
In some circumstances, you'd be better off buying the basic model and the pet tool separately.
However, always check the prices of variants, as you might find the pet version on offer for less than the basic model.
If a deal seems too good to be true, you can use price comparison sites such as PriceRunner and PriceSpy to check historical price data.
The data should reveal how regularly a vacuum goes on sale (if it's on 'special offer' for most of the year, the offer isn't all that special) and whether the 'before' price is accurate.
It's worth doing a quick Google search too, as not all retailers' price feeds are picked up by these sites.
If you have your eyes set on a certain model but can't find a good deal, don't worry. There are plenty more fish in the sea – including cheaper options from alternative brands.
Take a look at our vacuum cleaner reviews and cordless vacuum cleaner reviews and filter by 'Great Value' to find the models that perform almost as well as a Best Buy, but cost a little less.
Also see our top recommendations of the best cordless vacuums and best corded vacuums to discover the top performers.
Some retailers will offer to recycle your old vacuum cleaner, but they usually charge a fee for doing so. Our guide on how to recycle electrical items will help you asses your options.
Vacuum deals are available all year round, so if you're after a particular model or brand, you need to know where to look. Read our independent vacuum cleaner reviews or cordless vacuum reviews to ensure you get the best deal.
Based on historical pricing data, we think these prices represent genuinely good savings on some of Dyson's most popular cordless models:
We've noticed that Dyson prices can rise in the months before big sales events such as Black Friday.
Based on historical data, we think these prices represent genuinely good savings on some of Shark's most popular models:
Also keep in mind that cordless Sharks are sold with one, two or sometimes even three batteries.
If you opt for a package with extra batteries, you can prolong your vacuum's running time and won't have to worry about buying a new battery if one eventually stops working.
You can buy spare batteries from the Shark website for around £70, so the deal only makes sense if the package is a similar price to the single-battery model.
If you live in a smaller property, you probably don't need extra batteries, as a single charge will last long enough to vacuum your home in one go. Any battery faults should be covered by the manufacturer's guarantee for the first two years.
If you're looking to replace your old Samsung with a new model, don't forget to check the Samsung website for trade-in deals for your old appliance. They'll take your old vacuum, price it and then you'll be able to put the money towards a new model.
We've noticed that prices can rise in the months before big sales events such as Black Friday, Christmas sales or Cyber Monday, creating the illusion of huge savings on the day. Always check PriceRunner or PriceSpy to compare historical prices to find out of the model you're after is actually being sold at a low price.
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