Cheap LEGO Sets UK
The cheapest LEGO sets available in the UK right now, sorted by lowest price first. We compare prices across Amazon, Argos and LEGO.com to find the absolute cheapest LEGO you can buy. Prices start from just £3.50.
£3.50
Cheapest Set
95
Under £10
303
Under £20
404
Under £30
Cheapest LEGO Sets Available Now
Minifigures
Series 29 (71052)
- Best price
- £3.50
- Retailer
- at Argos
Minifigures
Animals Series 28 (71051)
- Best price
- £3.50
- Retailer
- at Argos
Christmas Ornament Selection (40744)
- Best price
- £5.00
- LEGO RRP
- £10.99
- Discount
- 55% off
- Retailer
- at Argos
Classic
Green Baseplate (11023)
- Best price
- €5.98(~£5.01)
- LEGO RRP
- £7.99
- Discount
- 37% off
- Retailer
- at Amazon DE
Friends
Axolotl Adventure Boat (42681)
- Best price
- €6.49(~£5.43)
- LEGO RRP
- £8.99
- Discount
- 40% off
- Retailer
- at Amazon FR
Creator 3-in-1
Magical Unicorn (31140)
- Best price
- €6.72(~£5.63)
- LEGO RRP
- £8.99
- Discount
- 37% off
- Retailer
- at Amazon DE
Classic
White Baseplate (11026)
- Best price
- €6.86(~£5.74)
- LEGO RRP
- £7.99
- Discount
- 28% off
- Retailer
- at Amazon DE
Classic
Creative Food Friends (11039)
- Best price
- €6.98(~£5.84)
- LEGO RRP
- £8.99
- Discount
- 35% off
- Retailer
- at Amazon DE
NINJAGO®
Lloyd vs. Earth Monster Spinner (71850)
- Best price
- €6.98(~£5.84)
- LEGO RRP
- £8.99
- Discount
- 35% off
- Retailer
- at Amazon DE
Star Wars™
The Mandalorian & Grogu's Speeder Bike™ (75436)
- Best price
- €6.99(~£5.85)
- LEGO RRP
- £8.99
- Discount
- 35% off
- Retailer
- at Amazon FR
Disney™
Mini Jasmine & Rapunzel (43303)
- Best price
- €6.99(~£5.85)
- LEGO RRP
- £8.99
- Discount
- 35% off
- Retailer
- at Amazon DE
Marvel
Spidey on his Motorcycle vs. Rhino (11206)
- Best price
- €6.99(~£5.85)
- LEGO RRP
- £8.99
- Discount
- 35% off
- Retailer
- at Amazon DE
Creator 3-in-1
Turtle with a Water Lily Flower (31377)
- Best price
- €7.02(~£5.88)
- LEGO RRP
- £8.99
- Discount
- 35% off
- Retailer
- at Amazon DE
City
Rides – Police Truck (60481)
- Best price
- €7.06(~£5.91)
- LEGO RRP
- £7.99
- Discount
- 26% off
- Retailer
- at Amazon DE
Technic
Heavy-Duty Bulldozer (42163)
- Best price
- £6.00
- LEGO RRP
- £8.99
- Discount
- 33% off
- Retailer
- at Argos
Marvel
Spider-Man's Car and Doc Ock (10789)
- Best price
- £6.00
- LEGO RRP
- £8.99
- Discount
- 33% off
- Retailer
- at Argos
DUPLO®
Daily Routines: Bath Time (10413)
- Best price
- £6.00
- LEGO RRP
- £8.99
- Discount
- 33% off
- Retailer
- at Argos
DUPLO®
Police Motorcycle (10967)
- Best price
- £6.00
- LEGO RRP
- £8.99
- Discount
- 33% off
- Retailer
- at Argos
City
Red Sports Car (60448)
- Best price
- £6.00
- LEGO RRP
- £8.99
- Discount
- 33% off
- Retailer
- at Argos
City
Hot Rod (60485)
- Best price
- €7.42(~£6.21)
- LEGO RRP
- £8.99
- Discount
- 31% off
- Retailer
- at Amazon DE
DUPLO®
Wild Animal Families: Penguins & Lions (10442)
- Best price
- €7.42(~£6.21)
- LEGO RRP
- £8.99
- Discount
- 31% off
- Retailer
- at Amazon FR
City
Police Car (60312)
- Best price
- €7.55(~£6.32)
- LEGO RRP
- £8.99
- Discount
- 30% off
- Retailer
- at Amazon DE
Creator 3-in-1
Space Shuttle (31134)
- Best price
- €7.62(~£6.38)
- LEGO RRP
- £8.99
- Discount
- 29% off
- Retailer
- at Amazon DE
Technic
Backhoe Loader (42197)
- Best price
- €7.79(~£6.52)
- LEGO RRP
- £8.99
- Discount
- 27% off
- Retailer
- at Amazon DE
Cherry Blossoms (40725)
- Best price
- €7.90(~£6.61)
- LEGO RRP
- £12.99
- Discount
- 49% off
- Retailer
- at Amazon DE
NINJAGO®
Kai's Dragon Mech Battle Pack (71851)
- Best price
- €7.99(~£6.69)
- LEGO RRP
- £8.99
- Discount
- 26% off
- Retailer
- at Amazon FR
Creator 3-in-1
Cute Hamster with a Flower (31376)
- Best price
- £6.74
- LEGO RRP
- £8.99
- Discount
- 25% off
- Retailer
- at Amazon UK
Easter Bunny and Chick Egg Hunt (40808)
- Best price
- €8.12(~£6.80)
- LEGO RRP
- £10.99
- Discount
- 38% off
- Retailer
- at Amazon DE
DUPLO®
Blue Police Motorcycle (10471)
- Best price
- £6.83
- LEGO RRP
- £8.99
- Discount
- 24% off
- Retailer
- at Amazon UK
Animal Crossing™
Bunnie's Outdoor Activities (77047)
- Best price
- £7.00
- LEGO RRP
- £17.99
- Discount
- 61% off
- Retailer
- at Argos
How to Find Cheap LEGO in the UK
LEGO doesn't have to be expensive. While flagship sets like the Death Star or Titanic cost hundreds of pounds, there are plenty of quality LEGO sets available for under £20 — especially when you compare prices across multiple retailers.
The key to finding cheap LEGO is checking prices beyond LEGO.com. Amazon UK frequently discounts LEGO sets by 20-50% below RRP. Argos runs regular promotions, and European Amazon stores (France and Germany) sometimes have even lower prices. BrickCompare checks all these prices multiple times daily.
For the best value, look at the price per piece rankings — this shows you which sets give the most bricks for your money. Sets with a price-per-piece under 8p are considered excellent value.
Retiring sets can also be a source of cheap LEGO, as retailers clear stock before sets are discontinued. And our recent price drops page shows the latest discounts as they happen.
Frequently Asked Questions
What is the cheapest LEGO set you can buy?
The cheapest LEGO set currently available is Series 29 (Set 71052) at £3.50. We track prices across Amazon, Argos and LEGO.com to find the absolute lowest prices.
Where is the cheapest place to buy LEGO in the UK?
It varies by set. Amazon UK typically has the lowest prices, but Argos can beat them on specific sets. European Amazon stores (France and Germany) sometimes offer even lower prices. BrickCompare compares all of them so you can find the cheapest option for any set.
Are there cheap LEGO sets for adults?
Yes. Many LEGO sets aimed at adults (18+) go on sale, especially the LEGO Icons, Technic, and Creator Expert lines. The price per piece on discounted adult sets is often better than children's sets. Check our best value sets page for the most cost-effective options.
How can I get LEGO for half price?
Half-price LEGO deals do appear, especially during Black Friday, Prime Day, and when sets are being retired. Right now we're tracking 95 sets under £10 and 303 sets under £20. Our LEGO sale page shows every set currently discounted.