Adjustable Dumbbells
A practical set of adjustable dumbbells (up to 20kg) that saves space and money for home strength training.
The Best Adjustable Dumbbells Under £100 (UK 2026)
Under £100 you can get a capable adjustable set that covers most home workouts, usually a spinlock or quick-change design with a solid weight range.
What to look for
- A useful weight range for your training.
- Secure collars that don't loosen mid-set.
- Single vs pair - check what the price covers at this end of the market.
Our top picks
#1
#2 
PROIRON Adjustable Dumbbells
A practical set of adjustable dumbbells (up to 20kg) that saves space and money for home strength training.
#3 
Adjustable Dumbbell Set One-Twist
A practical set of adjustable dumbbells (0.9-2.3kg) that saves space and money for home strength training.
#4 
Dumbbells Set
A practical set of adjustable dumbbells that saves space and money for home strength training.
#5 
Steel Dumbbells Ultracompact Adjustable
A practical set of adjustable dumbbells (up to 10kg) that saves space and money for home strength training.
#6 
Northdeer Steel Dumbbells Ultracompact Adjustable
A practical set of adjustable dumbbells (up to 10kg) that saves space and money for home strength training.
#7 
Adjustable Dumbbells Set 4-in-1
A practical set of adjustable dumbbells (pair) that saves space and money for home strength training.
#8 
Dumbbells Set Women
A practical set of adjustable dumbbells (0.9-2.3kg, pair) that saves space and money for home strength training.
#9 
Yaheetech Adjustable Dumbbells Set
A practical set of adjustable dumbbells (up to 30kg, pair) that saves space and money for home strength training.
#10 
Amonax Adjustable Dumbbells Set
A practical set of adjustable dumbbells (pair) that saves space and money for home strength training.
Frequently asked questions
What can I expect under £100?
A durable spinlock or quick-change set with a good range, though usually not the fast dial mechanism of premium sets. Plenty for effective home training.
Bottom line
Our top pick is the Adjustable Dumbbells (our score 9.6/10) - A practical set of adjustable dumbbells (up to 20kg) that saves space and money for home strength training..