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Marketplace
Every listing shows battery health, owner history and honest wear notes — the trust signals a horizontal marketplace can't give you.
1 robot matching “Boston Dynamics Spot”
Robot AutoTrader is the UK's specialist secondhand robot marketplace. Every listing is verified against the Robot Resale Index — a price benchmark built from actual UK secondary market sales — so you can see at a glance whether an asking price is fair, high, or a genuine bargain. The index covers domestic robots, drones, 3D printers, humanoids, cobots, and cooking robots.
The used robot market in the UK is maturing fast. Robot vacuums and mop combos now depreciate 6–12% per year, creating reliable buying windows 35–50% below retail. Robot mowers are the exception: the Husqvarna Automower 315X is up 2.4% year on year as demand for units with installed boundary wire outpaces supply. At the advanced end, the Unitree Go2 Pro is up 18.4% — developer demand is outrunning early-production supply. At the industrial end, used Universal Robots UR5e cobots trade at £12,000–£17,000 versus £28,000 new: one of the best-value automation investments a UK SME can make today.
The most important check on any used robot purchase is battery health. On a domestic robot, it determines daily runtime. On a cobot, it is replaced by joint cycle count — request the PolyScope diagnostic export before agreeing a price. On a humanoid or quadruped, confirm the SDK account has been unlinked and the firmware is current before inspecting anything else.
Domestic robots
Vacuums, mowers, pool cleaners
Buying guide →
Drones & 3D printers
DJI, Prusa, Bambu Lab
Buying guide →
Humanoids & robot dogs
Unitree Go2, Boston Dynamics Spot
Buying guide →
Cobots & industrial robots
Universal Robots, KUKA, Dobot
Buying guide →
Cooking robots
Thermomix, Monsieur Cuisine
Buying guide →
Every listing on Robot AutoTrader includes condition grading (Excellent, Good, Fair), battery health percentage confirmed from the manufacturer's app, owner count, and price benchmarked against the Robot Resale Index. Verified listings have been reviewed by our editorial team against these criteria. We do not list robots without condition information.
The Robot Resale Index tracks achieved UK secondary market prices for specific robot models, indexed to a July 2025 baseline of 100. An index value of 91.8 means the model has depreciated 8.2% year on year. The index lets buyers and sellers benchmark asking prices against real market data, not estimates.
Yes, if you follow the category-specific inspection checklist. The biggest risks on used robots are battery degradation (domestic), joint wear (cobots and quadrupeds), and firmware or account lock-in (all categories). Our category buying guides cover what to check, what to ask, and what to walk away from. For commercial and industrial robots above £12,000, we recommend an independent inspection by a qualified robot service engineer.
Typical savings are 35–55% for domestic robots (vacuums, mowers), 40–55% for cobots, and 20–35% for advanced quadrupeds like the Unitree Go2 Pro. The saving varies significantly by category, model, and timing — robot mowers are cheapest in November; robot vacuums in August. The Robot Resale Index page shows current depreciation trends for all tracked models.
