The Most Expensive LEGO® Sets You Can Buy in 2026
LEGO® sets are a great children’s toy, but they also some of the most sought-after collectibles in the world. Rare LEGO® sets regularly sell for thousands of pounds, as serious collectors seek to complete their collection.
Collectors don’t just do it for the joy. They recognise that LEGO® sets are an investment that can reap reward in the future. They look for limited edition sets or pop culture phenomena, which will drive up its value in the future.
We’ll run through the 10 most expensive LEGO® sets and what makes them so valuable, so you know how to find a good investment piece.
What Makes Some LEGO® Sets So Expensive?
Spending hundreds of pounds on a single LEGO® set can seem a bit much at first. But once you see what actually goes into these builds, it's a lot easier to understand where the money's going. Here are the main things that push certain sets into the premium end of the range.
Size and Piece Count
The simplest reason is the number of bricks in the box. A lot of the sets on this list come in at over 5,000 pieces, with some pushing past 9,000 or even 10,000.
Bigger sets take longer to design, use more materials and tend to feature more advanced building techniques. They also give you a much longer build, which is a big part of the appeal for adult fans and collectors who like to take their time.
Licensed Themes
A lot of LEGO®'s priciest sets are tied to massive franchises like Star Wars™, Lord of the Rings™ and Pokémon™. These themes have loyal fanbases who'll happily invest in big display models of their favourite ships, characters and locations.
Licensed sets also involve agreements with the companies that own those franchises, which adds to the overall cost. Mix that with the demand, and it's no surprise these sets often sit at the top end of the price list.
Exclusivity and Collectability
A lot of the most expensive LEGO® sets are aimed at adult collectors rather than younger builders. They're designed to look impressive on display, with intricate details, exclusive minifigures and building techniques that help set them apart from standard sets.
These sets often become even more desirable once they retire. Limited stock and strong demand can push second-hand prices higher, especially for themes like Star Wars™ and Lord of the Rings™. In some cases, the original retail price ends up being the cheapest the set will ever sell for.
Want to learn more about what makes certain LEGO® sets valuable? Take a look at our guide to selling rare LEGO® sets.
The 10 Most Expensive LEGO® Sets You Can Buy in 2026
1. LEGO® Star Wars™ Death Star (75419)
Price: £899.99
Pieces: 9,023
At £899.99, the Death Star is currently the most expensive LEGO® set ever released. With more than 9,000 pieces, it's the sort of build that takes over a dining table for a while and needs a decent amount of room once it's finished.
For Star Wars™ collectors, that's unlikely to be a problem. It's one of those sets that people have been talking about since it was announced, and it's easy to see why when you look at the size and detail involved.
Big fan of Star Wars™ LEGO®? You might also enjoy our guide to the best LEGO® Star Wars™ sets.
2. LEGO® Star Wars™ Millennium Falcon (75192)
Price: £734.99
Pieces: 7,541
The UCS Millennium Falcon has been a favourite among collectors since it first launched in 2017. Nearly a decade on, it's still one of the most recognisable and sought-after LEGO® sets around.
For many collectors, this is the Star Wars™ set to own. With retirement expected sometime in 2026, there's a good chance demand will stay strong once it's no longer available directly from LEGO®. If you've already got one tucked away, or you manage to pick one up before it retires, it could turn out to be a very valuable addition to your collection in the years ahead.
3. LEGO® Icons Titanic (10294)
Price: £589.99
Pieces: 9,090
The Titanic is one of those sets that's hard to appreciate until you see it built. At over four feet long and made up of more than 9,000 pieces, it's a lot bigger than most people expect.
The ship is full of small details too, including the cabins, dining rooms and grand staircase. If you're thinking about buying one, finding somewhere to put it afterwards is probably worth a thought first.
4. LEGO® Lord of the Rings™ Minas Tirith (11377)
Price: £579.99
Pieces: 8,278
Minas Tirith was one of the biggest LEGO® releases of 2026. The famous city of Gondor has been recreated on a scale most Lord of the Rings™ fans never expected to see, with over 8,000 pieces making up the towering structure.
There's a lot packed into the build for fans of the films, from the architecture itself to the characters included throughout the set.
Into Middle-earth builds? Take a look at our Lord of the Rings™ range to see what's currently in stock.
5. LEGO® Pokémon™ Venusaur, Charizard and Blastoise (72153)
Price: £579.99
Pieces: 6,838
LEGO® Pokémon™ was always going to attract plenty of attention, but not many people expected one of its biggest sets to end up among the most expensive LEGO® releases on the market.
Featuring Venusaur, Charizard and Blastoise in their fully evolved forms, this huge display set brings together three Pokémon that many fans grew up with. It's a set that's likely to appeal most to people who spent hours playing the original games and watching the cartoons.
6. LEGO® Technic Liebherr Crawler Crane LR 13000 (42146)
Price: £579.99
Pieces: 2,883
The piece count might not look that big compared to some of the others on this list, but the Liebherr Crawler Crane is a different kind of set altogether.
Packed with motors, electronics and working functions, it's one of the most advanced Technic models LEGO® has ever made. For fans of engineering and mechanical builds, it's easy to see why this one stays so highly rated.
7. LEGO® Star Wars™ Venator-Class Republic Attack Cruiser (75367)
Price: £559.99
Pieces: 5,374
Clone Wars fans had been after a UCS Venator for years, and LEGO® finally came through with a set that more than lived up to the hype.
At over 5,000 pieces, the Republic Attack Cruiser is a striking display model that captures the ship's distinctive shape really well. It's one of the strongest prequel-era UCS releases so far and a popular pick among Star Wars™ collectors.
8. LEGO® Icons Eiffel Tower (10307)
Price: £554.99
Pieces: 10,001
If piece count is the first thing you check, the Eiffel Tower is hard to beat. With 10,001 pieces, it's got more bricks than anything else on this list.
It's also the tallest LEGO® set ever released, standing at nearly 150cm tall! Once it's built, there's a good chance it'll become the talking point of whatever room you put it in.
9. LEGO® Star Wars™ Razor Crest (75331)
Price: £519.99
Pieces: 6,187
The Razor Crest became a firm fan favourite off the back of The Mandalorian, and the Ultimate Collector Series version is one of the most desirable modern Star Wars™ sets out there.
The build pairs an accurate exterior with a detailed interior full of references from the series. It retired at the end of 2025, but demand among collectors looking to track one down is still high. If you're hunting for retired sets like this one, it's always worth keeping an eye on our second-hand Star Wars™ range as new stock comes in regularly.
10. LEGO® Lord of the Rings™ Barad-dûr (10333)
Price: £399.99
Pieces: 5,471
Barad-dûr might be the cheapest set on this list, but at just under £400 it's still a sizeable investment for most collectors. The towering structure, glowing Eye of Sauron and detailed interior all help explain why it's become such a sought-after set among Lord of the Rings™ fans.
Which Expensive LEGO® Set Is Right for You?
There's no wrong answer here, really. It comes down to what you enjoy most about the hobby and what you're after from a set.
If you love getting stuck into a huge build, it's hard to look past the Titanic or Eiffel Tower. If you're after something that'll grab attention every time someone walks into the room, the Star Wars™ UCS sets and Lord of the Rings™ models take some beating. And if you're already thinking about what a set might be worth in a few years' time, retirement dates are always worth keeping an eye on.
Whichever set catches your eye, brand new isn't your only option. Retired and pre-owned LEGO® sets turn up on the second-hand market all the time, and you never know when a set you've been after might appear. At WeBuyBricks we're always adding used LEGO® sets from a wide range of themes, so it's worth a look. And if you've got LEGO® sitting at home that's no longer getting built, we buy LEGO® too.
