Compare LEGO Prices Across UK Retailers
775+ sets tracked across 12 retailers, updated daily
How LEGO Price Comparison Works
Brick Sleuth tracks LEGO set prices across all major UK retailers every day. We compare prices from Amazon, Argos, John Lewis, Smyths Toys, and the official LEGO Store so you don't have to visit each site individually.
Every set on our site shows the current cheapest price, the recommended retail price, and the discount percentage. You can see at a glance which retailer offers the best deal for any LEGO set.
How to Find the Best Price
- Search or browse – Find a set by name, number, or theme using our full catalogue.
- Compare prices – Each set page shows current prices from every retailer that stocks it.
- Check the price history – Our price graphs show how the price has changed over time so you can decide if now is a good time to buy.
- Set up alerts – Add a set to your watchlist and we'll email you when the price drops.
We also highlight sets at their best ever price and the biggest current discounts to help you save even more.
Today's Best LEGO Deals
Frequently Asked Questions
Which UK retailer has the cheapest LEGO?
It varies by set and changes frequently. Amazon, Argos, John Lewis, Smyths, and the LEGO Store all compete on price. Brick Sleuth compares prices across all major UK retailers so you can instantly find the cheapest option for any set.
How often are LEGO prices updated?
We update prices daily across all tracked retailers. Price changes are detected automatically, and our system flags new deals and price drops as soon as they appear.
Can I get alerts when LEGO prices drop?
Yes! Create a free account, add sets to your watchlist, and we'll email you when prices drop. You can set your own target price for each set.
Is it cheaper to buy LEGO from Amazon or the LEGO Store?
Neither is consistently cheaper. Amazon often has discounts on popular sets, while the LEGO Store offers exclusive sets and occasional promotions. Use Brick Sleuth to compare both and find the best price for the specific set you want.
How much can I save by comparing LEGO prices?
Savings vary, but it's common to find 20-30% off RRP by shopping at the right retailer. Some sets have even bigger discounts. Our best deals page highlights the largest current savings.
How does Brick Sleuth compare LEGO prices?
We automatically track prices from major UK LEGO retailers including Amazon, Argos, John Lewis, Smyths, and the LEGO Store. Our system checks prices daily and calculates discounts against the recommended retail price.