Home workouts are booming in 2025, but kitting out a flat with racks of weights isn’t realistic (or cheap). Adjustable dumbbells are the smarter buy: compact, versatile and quick to switch between sets. Whether you’re chasing biceps, building strength on a budget or just want to save space, we’ve rounded up four of the best adjustable dumbbells available on Amazon UK right now.
Top 4 Picks
Budget – PROIRON Adjustable Dumbbell Set (20 kg)
Entry-level cast-iron set with spin-lock collars. Goes up to 20 kg, ideal for students or anyone starting out. Approx £59–£69 (Amazon, 30 Aug 2025).
- Affordable entry point to home lifting
- Durable cast-iron plates
- Spin-lock collars secure weight
- Changing weights takes longer than quick-lock systems
All-Rounder – Bowflex SelectTech 552i (Pair)
Arguably the gold standard: a single dumbbell that adjusts from 2–24 kg with a twist of the dial. Space saver with premium feel. Approx £329–£349 (Amazon, 30 Aug 2025).
- Adjusts 2–24 kg in seconds
- Replaces 15 pairs of dumbbells
- Solid build, great grip
- High upfront cost
Premium – ATIVAFIT Quick-Adjust Dumbbell (up to 25 kg)
Quick dial mechanism with safety lock. Choose the 25 kg option on the product page for heavier lifts. Approx £399–£419 (Amazon, 30 Aug 2025).
- Up to 25 kg for progressive overload
- Fast dial adjuster
- Compact footprint for small flats
- Some options sold as single units, not pairs
Mark’s Bonus Pick – NordicTrack Select-A-Weight (25 kg)
Adjustable 25 kg system with a tidy tray design. Often bundled with an iFit trial. Approx £349–£479 (Amazon, 30 Aug 2025).
- 25 kg max with quick changes
- Tray keeps unused plates tidy
- Premium feel
- Higher price than basic sets
How We Chose
We checked Amazon UK for dumbbells with ≥4.4/5 ratings and 500+ verified reviews, and weighed adjustment speed, max weight, durability and space efficiency. Prices verified 30 Aug 2025.
Final Thoughts
Adjustable dumbbells make home training affordable and space-smart. From budget iron spin-locks to slick Bowflex and NordicTrack systems, there’s an option for every fitness level and wallet. As an Amazon Associate we earn from qualifying purchases — thanks for supporting UK Shortlists as you build your home gym.