Price
£199.99
  • 5 year guarantee included
  • Free click & collect
  • Free standard delivery
  • Free returns

18+, T&C apply.

Partnership Credit Card

Earn 249 points when you pay for this product with your Partnership Credit Card.

29.9% APR Representative (variable).

Your Partnership Credit Card Benefits

Earn points

For every 500 points, we'll send you a £5 voucher to treat yourself at John Lewis or Waitrose.*

No annual fee and widely accepted

Check your eligibility without impacting your credit score.

John Lewis plc is a credit broker, not a lender, introducing the Partnership Credit Card under exclusive arrangements with the lender NewDay Ltd.

John Lewis Money and John Lewis Finance are trading names of John Lewis plc. Registered office: 1 Drummond Gate, Pimlico, London SW1V 2QQ. Registered in England and Wales (company number: 233462). Authorised and regulated by the Financial Conduct Authority (firm reference number: 724309).

Credit is provided by NewDay Ltd. Registered in England and Wales (company number: 7297722). Registered office: 7 Handyside Street, London, N1C 4DA. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (firm reference number: 690292) and is also authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 (firm reference number: 555318) for the provision of payment services.

This card is issued by NewDay Ltd pursuant to license by Mastercard International Incorporated.

Credit subject to status. 18 years +. UK residents. T&Cs apply. John Lewis plc is a credit broker. NewDay Ltd is the lender.

* Rewards subject to terms and conditions - see johnlewiscreditcard.com/terms

Protect Plus

Shark BU3521UK Cordless Vacuum Cleaner, White/Navy/Brass

Image gallery

Take a closer look

Information from the brand
Product description

Product code: 85617104

Meet the cordless vacuum that empties itself, so you don’t have to.

Forget about emptying for weeks at a time

Every time you finish cleaning, Shark Clean & Empty automatically deposits the dirt and debris into a completely sealed base unit that holds it for up to 30 days. No more manual emptying after every clean – simply return the vacuum to the dock and let the hands-free Auto-Empty System empty the cordless vacuum’s dust-cup into a large bagless base. Dust Cup : 0.42 L , AED : 1.3 L

Seals away dust & debris inside the base

Anti-Allergen Complete Seal captures and traps up to 99.9%* of dust, allergens and irritants inside the base*, keeping them out of the air you breathe. Perfect for homes with pets or allergies.

Lightweight & agile

This cordless stick vacuum is 30% lighter** and easy to use. Charging while stored on the dock, your cordless vacuum is always charged, always empty, and always ready for the next clean. Enjoy up to 40 mins of run-time*** per charge.

Perfect for all floor types

The brush-roll automatically adjusts its speed for deep carpet cleaning, and gives you continuous cleaning contact on hard floors. HyperVelocity accelerated suction power delivers powerful cleaning on all floor types. Anti Hair Wrap Technology actively removes hair from the self-cleaning brush-roll as you vacuum, helping to keep it free of tangles.

Handheld cleaning

Detach the handheld vacuum to clean anywhere with the included Crevice and Pet Tools. Easily vacuum sofas, furniture, the car and more, and reach up high with the wand.

*Based on IEC standard 62885-2 CI. 5.14 at 0.3 to 10 microns.

**vs IZ300UK.

***In ECO power mode with non-motorised tool.

Product specification
Accessories Included
Handheld Vacuum, Motorised Floor Nozzle, Wand, Crevice Tool, Pet Multi-Tool, Dock
Automatic Cable Rewind
No
Bag Full Indicator
No
Bag/Bagless
Bagless
Batteries Included
Yes
Battery Life Details
Up to 40 hours
Brand
Shark
Cable length
1.2cm
Capacity
1.3 L
Charging time
5.0 hours
Cordless
Cordless
Country of Origin
China
Dimension Details
Centimetres
Dimensions
H109.20 x W26.40 x D35.30cm
Guarantee
5 year guarantee included
Home Appliance Features
Cordless
Model name / number
BU3521UK
Noise Level
82dB
Number of Power Levels
3
Number of Programs/Settings
3
Power
240.00kW
Vacuum cleaner type
Handheld
Variable Power
Yes
Voltage
21.6V
Weight
3.52kg
Brand information
Shark

Premium home technology brand Shark is dedicated to developing innovative household products, including corded, cordless and handheld vacuum cleaners, steam mops, air purifiers, hair dryers and more. Following decades of success in the USA, Shark now enjoys global recognition with offices situated across the world. Shark products are developed for the home, not the lab – every technology is developed through extensive consumer testing in real homes to solve your real-life challenges, deliver exceptional performance that you can rely on, and make a difference to your everyday life.

Delivery and returns

Delivery and collection options

Standard Delivery
Free
UK delivery within 2 to 5 days, 8am - 8pm, Monday to Saturday. Free on orders over £50, otherwise £4.50.
Click & Collect
Free
Free on orders over £40, £2.95 if you spend less. Choose a collection day at checkout, next day available at some locations. Available at Waitrose, selected John Lewis shops, Shell stations and Booths stores.
Evening Delivery within London M25
£9.95
Order before 10am to get same day evening delivery within London M25. Available 7 days a week, delivery between 6 – 11pm on a day of your choice. We’ll text you a 1-hour delivery window on the day. Delivered by 100% electric vehicles.
Next or Named Day Delivery
£7.95
Delivery on the day of your choice, 8am - 8pm, 7 days a week. You'll receive a text on the morning of delivery with a 1-hour delivery window.
Morning Delivery
£10.95
Delivery on the day of your choice, by 11.30am available 7 days a week.
Local Collection Network
Not available for this item

Returns and refunds

You can return or exchange an unwanted item within 30 days of receiving it.

Please allow up to 14 days from sending the item to receive your refund.

How to return your item

Small items

Return a small item you bought online for free to a John Lewis or Waitrose shop, or one of our return locations. You can also arrange a collection using Evri or Royal Mail.

Large items - items delivered by two people, such as appliances and furniture

We'll collect large items from you. Collections are free if your item is damaged or faulty. If not, we charge a collection fee. To arrange a collection, please contact us.

Reviews|
Product review details, this product has received, on average, 4.40 out of 5 star rating.
The average rating is 4.4 out of 5