Xiaomi Vacuum Cleaner G20 Lite Smart Dust Sensor,Auto Speed Control , w/code [£1.35 credit possible] @ Xiaomi Tech World Store [UK shipping]

Nice lower price. Dispatched in the UK, so no extra payment is needed.
Credit info is here.Cordless vacuum cleaner
Model C203
Rated voltage 22.2 V
Rated power 215 W
Charging voltage 27.0 V
Net weight 2.4 kg
Product dimensions 340 × 114 × 217 mm
Dust container volume Approx. 0.55 L

Package contents

• Vacuum cleaner ×1
• Extension rod ×1
• Power supply ×1
• 2-in-1 brush nozzle ×1
• Electric brush bar ×1
• Wall storage mount (including screw × 2, wall plug × 2)
• User manual ×1

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Few things to consider before you go ahead:

• Pay with PayPal (if the option available) so you could be protected in the case if something goes wrong
• Likely you will have a non-UK charger, and you will need an adapter or an adapter will be attached to your order
• Use a fee-free card and pay in USD to save a bit more
• Delivery can sometimes take a long time
• Follow my guide here about coins and deeper discount.