The 10 Best Adjustable Dumbbell Offers in UK - September 2025

Last updated: 15. September 2025
Adjustable Dumbbell Comparison - We´ve already helped over 5 million consumers this year!
1
Best Rated
9.9
Only today: 9% OFF!
£229.99 (9% DISCOUNT!)
  • WORKOUT SMARTER: With BRAINGAIN’s 24kg adjustable dumbbell set, seamlessly switch between 15 different weights in seconds. Innovatively designed and quality tested, these adjustable dumbbells ensure the highest level of safety, empowering both beginners and professionals. Elevate your fitness routine with the best-in-class adjustable dumbbells for home workouts.
  • 15 WEIGHTS IN ONE: Focus on your form with our advanced locking system that keeps the weights secure. Easily adjust from 2.5k to 24kg in precise increments (2.5kg, 3.5kg, 4.5kg, 5.5kg, 6.5kg, 8kg, 9kg, 10kg, 11.5kg, 13.5kg, 16kg, 18kg, 20.5kg, 22.5kg and 24kg) to suit your training needs.
  • SAVE SPACE, ACHIEVE MORE - Replace multiple dumbbells with our compact, adjustable set. Designed to stay with you on your fitness journey, these dumbbells adapt as you gain strength and progress, making your home gym more efficient.
  • ULTIMATE DURABILITY - Experience lasting durability and a professional look with our high-quality chrome/black finish. Made from premium cast iron, these smart octagon adjustable dumbbells feature a large non-slip handle for a secure grip, perfect for all your home workout needs.
  • PERFECT FOR ALL LEVELS: Elevate your home gym with dumbbells ideal for both beginners and experienced weightlifters. These adjustable dumbbells adapt to your fitness level and support your progress, making them a versatile addition to any workout routine.
2
Best Price
9.8
Only today: 26% OFF!
£169.99 (£85.00 / count) (26% DISCOUNT!)
  • 12 Levels Adjustable Weights: This adjustable dumbbell weight set features a broader weight range from 1.5 kg to 18 kg. Smaller and varied increments allow for gradual increases in resistance, intensity, or volume over time, making it ideal full-body workout equipment for both beginners and seasoned trainers
  • 1-sec Adjustment: Designed for efficient workout sessions, this adjustable dumbbell pair allows for quick and seamless weight adjustment by twisting the anti-slip handle clockwise or counterclockwise. Clear dials ensure easy readability for hassle-free customisation
  • Enhanced Safety with Dual Locking System: This dumbbell set applies a two-step weight plate locking system to ensure stability, balance, and safety while exercising. The weight adjustment feature is only activated when the dumbbell is placed on the tray, preventing any accidental operation during use
  • Easy Storage to Save Space: Occupying just 40 cm L × 20.5 cm W × 20.5 cm H for each, this weight set provides a space-saving storage solution versus other individual traditional dumbbells. Simply stash the set under a bench or place it on a garage shelf after your training workout routine
  • Secure & Silent Workouts: This dumbbell weight set includes robust dumbbell bases to prevent any movement or tipping when storing the weight places. Plates stay securely in place during workouts, minimizing noise and ensuring stability
  • About Weight Adjustment: To adjust the dumbbell weight, fully insert the handle into the base (in the lowest position) before turning it. Align the red arrows with the numbers on both dials until you hear a "click-clack" sound, confirming the adjustment. If the red arrows aren't aligned, please reset the handle and adjust it again
3
9.7
  • Full set of 2 dumbbells: Our adjustable dumbbell set comes with 16 weight plates in 4 different weights (2.5kg/5.5lbs, 2kg/4.4lbs, 1.5kg/3.3lbs, 1.25kg/2.8lbs), 4 pieces for each weight; two 47x2.5cm/18.5x1’’ iron bars with a 13.6cm/5.4’’ long handle for each bar; two star-lock collars
  • Adjustable weight: Customize it to your ideal exercise intensity. Our dumbbells have 16 weight plates in 4 different weights, 4 pieces for each weight, and 2 spinlock collars make the adjustment easier
  • Non slip knurled handles: This dumbbell set features a hard plastic handle with diamond knurled texture on each bar to increase friction, ensuring the safety of your every workout
  • High quality & durable: Made of cement weight plates and plating iron bar, which is sturdy to use; antirust and wear proof plating iron bars provide a long service life
  • Selected material for better durability: This 30kg dumbbell set is constructed of cement weight plate covered with hard plastic and electroplated iron dumbbell bar. Antirust and water-resistant materials provide you with a long use life
4
9.6
  • ADJUSTABLE WEIGHTS FOR FLEXIBLE WORKOUTS: Customize your training with adjustable dumbbell weights from 2kg to 12kg per dumbbell, supporting a wide range of exercises. With a combined total weight of 24kg, this set is ideal for strength building, toning, and full-body workouts.
  • NO-FREEZE RADIAL HANDLE DIAL FOR EASY ADJUSTMENTS: The advanced radial dial allows quick and smooth weight changes, enabling seamless transitions between exercises. This feature of dumbells saves time and keeps your workout efficient, dumbest set perfect for home fitness or gym sessions.
  • COMPACT, MODERN, AND SPACE-SAVING DESIGN: Engineered with a sleek and compact design, this adjustable dumbbells pair is ideal for home gyms and small spaces. The adjustable dumbbells set have stylish finish complements any workout area, providing maximum functionality without compromising on aesthetics.
  • DURABLE IRON & ABS CONSTRUCTION FOR RELIABILITY: Made from premium iron and ABS materials, these powerblock dumbbells are built to withstand rigorous use. The robust construction ensures long-lasting performance, making them suitable for intense strength training routines.
  • ERGONOMIC STRONG GRIP FOR SAFETY & CONTROL: Equipped with non-slip, high-quality handles, this gym dumbbells set provides a secure grip for safe and confident lifting. Perfect for exercises like curls, presses, and lifts, it enhances control and minimizes the risk of slipping.
5
9.5
Free Delivery**
  • Dumbbell with 12 adjustable weight options; ideal for diverse strength training
  • Weight options include 3, 6, 8, 9, 11, 13, 15, 17, 18, 19, 21, and 24 kilograms
  • Switch between weights easily with rotating handles
  • Secure locking mechanism to prevent weights from loosening during exercise
  • Complete weight set offers versatility in a space saving design
6
9.4
Only today: 7% OFF!
£200.00 (7% DISCOUNT!)
  • Each dumbbell adjusts from 2 to 24 kg (steps: 2, 3, 4, 5, 7, 8, 9, 10, 11, 14, 16, 18, 20, 23, 24 kg)
  • Lets you rapidly switch from one exercise to the next combining 15 weights into one single dumbbell thanks to its unique dial system
  • Free JRNY trial included for new members (iOS 14.0/Android 9 or later required). The JRNY app offers trainer led classes for Strength, Core, Yoga and Pilates.
  • Eliminates the need for multiple dumbbells cluttering your workout space
  • Compact design: each dumbbell is 40 x 20 x 23 cm
7
9.3
  • VERSATILE WEIGHT SET: Gallant Sports Adjustable Weights Dumbbells Set with Barbell elevates your workouts and health goals. Perfect for crafting diverse exercises, these weights dumbbells set for home & gym help enhance cardiovascular fitness, burn calories, build strength, and improve endurance for any sport or activity. Designed to meet your fitness needs, it’s ideal for both beginners and seasoned athletes aiming to achieve peak performance anytime, anywhere!
  • QUICK AND EASY TO USE: Adjustable dumbbells weights set for men and women are an excellent choice for creating a compact home gym system, perfect for any strength training workout routine. With this 20Kg dumbbell set, you can perform chest presses, squats, lunges, curls, rows, and a variety of other exercises to target multiple muscle groups. Ideal for fitness enthusiasts of all levels, it offers versatility and convenience to maximize your workouts in a small space.
  • DURABLE AND BUDGET FRIENDLY: The vinyl-coated design of these weights dumbbells and barbell set for home & gym safeguards your dumbbells against everyday wear and tear, ensuring long-lasting use. With the Gallant Adjustable Weights Dumbbell and Barbell set, you get the versatility of two weights sets in one, saving money while achieving your fitness goals. This innovative weights barbell set is perfect for building strength and endurance without the need for additional equipment.
  • EFFORTLESS ADJUSTMENTS & SPACE-SAVING DESIGN: The adjustable dumbbells feature user-friendly screw locks, enabling quick and hassle-free weights changes to customize your workout. Designed with convenience as a priority, this versatile weights dumbbell set for men and women can be stored compactly, making it perfect for home gyms or small spaces. Whether you're targeting strength, endurance, or toning, this barbell weights set provides a seamless solution for achieving your training goals.
  • COMPREHENSIVE PACKAGE & RETURNS: Includes 4 x 1KG plates, 4 x 1.25KG plates, 4 x 2.5KG plates, 2 dumbbell bars, 4 spin locks, and 1 center connector. This complete adjustable-weights dumbbell set for men and women has everything you need for versatile workouts. If you’re not fully satisfied with your purchase, we offer a full money-back refund, ensuring satisfaction with your choice and assurance as you work toward your fitness goals.
8
9.2
Only today: 20% OFF!
£29.99 (20% DISCOUNT!)
  • Adjustable: It is fully adjustable so you can select the weights you desire to lift. It is quick and easy to adjust the weights as they can be slid on to the bar and secured into place by the spin lock collars. Each weight plate is clearly identified by a raised number that will not wear down over time
  • This Dumbbell Set is made from durable Vinyl material, with a fully adjustable build offering you enormous variety in weight selection. Our spinlock collars provide a quick and safe way of securing your plates on the bar, and the heavy-duty collars in this set feature unique design, further enhancing grip and preventing the weights from moving around and making noise during use
  • Our dumbbell sets are designed with non-slip handles to prevent slipping during exercise and ensure a firm grip which is safer and more comfortable
  • The dumbbell set will not hurt your hands when assembling or using. After disassembly, it is easy to carry, also need a small storage space, suitable for home or office fitness training as you want
  • WHAT YOU GET: A total of 20 kg; 4 x 2 kg plates, 4 x 1.25 kg plates, 4 x 1.5 kg plates, 2 x dumbbell bars, and 4 x star-shaped collars
9
9.1
Only today: 3% OFF!
£34.99 (3% DISCOUNT!)
  • 【CUSTOMISABLE WEIGHT】Total weight with accessories: 20 kg, including 4 x 2.5 kg plates, 4 x 1.25 kg plates, 4 x 1 kg plates, 2 dumbbell bars, 4 spinlocks, and a barbell bar that allow for 2 x 10 kg dumbbells or a 20 kg barbell
  • 【NO SLIPS, NO NOISE】Robust center bars with non-slip knurling on the surface ensures a secure and comfortable grip; 4 spinlock collars prevent the dumbbell plates from rattling
  • 【BUILT TO LAST】No flimsy pieces here. With high-quality plastic coating and concrete and sand filling, this dumbells set is built for years to come
  • 【FOR VARIOUS TYPES OF STRENGTH TRAINING】With these dumbbells, you can train your arms, shoulders, chest, abdomen, back, and legs. Whether you are a beginner or an experienced fitness enthusiast, this barbell set has you covered
  • 【FAST ASSEMBLY & DISASSEMBLY】With its simple structure and included tools, this dumbbell set can be quickly assembled. Fitness at home has never been so easy
10
9.0
  • 💪【1 Sec Seamless Transition】Simply twist the dial, and the desired weight can be selected in 1 second. With its unique weight adjustment design, you can enjoy a more convenient adjustment experience and achieve better training efficiency.Two dumbbells Set
  • 💪【One dumbbell, 15 different weights】 The innovative HAKENO adjustable smart dumbbell will save you both space and money, covering 15 weights between 2.5-24kg. 2.5kg, 3.5kg, 4.5kg, 5.5kg, 6.5kg,8kg, 9kg, 10kg, 11.5kg, 13.5kg, 16kg, 18kg, 20.5kg, 22.5kg and 24kg.
  • 💪【Secure Double-locking System】HAKENO adjustable dumbbell features a unique dual safety locking mechanism. The dumbbell plates are securely fastened to the handle through 8 locking slots, ensuring the safety and stability of the dumbbell.
  • 💪【High Quality & Advanced Technology】HAKENO dumbbell's weight plate covered with frosted powder coating, which make it hardly abrasion and don't have foul smell. Using with dumbbell tray, enjoy the smoothly training process. Durable handle anti-slip texture, which would not rusty and provide more safty.
  • 💪【Space saving Design】Each set of dumbbells has an exclusive high-density base to prevent the dumbbells from directly touching the ground. Not only protect the dumbbells, but also prevent hitting the floor.
  • 💪【Hand grip strengthener】–HAKENO hand grip strengthener works perfectly, as the dial can easily adjust its resistance from 5 kg to 60 kg. It is ergonomic and suitable for almost all age groups and various hand sizes.

Compare Adjustable Dumbbell and find the most suitable offer.

More information about Adjustable Dumbbell and why you should compare offers and deals:

Adjustable dumbbells are exercise equipment that have gained significant popularity among fitness enthusiasts and professionals alike. These versatile tools offer a wide range of benefits, making them a staple in the fitness industry.

One of the main advantages of adjustable dumbbells is their versatility. Unlike traditional dumbbells, which come in fixed weights, adjustable dumbbells allow users to change the weight as per their preference. This makes them suitable for individuals of different fitness levels, from beginners to advanced athletes. With a simple twist or clamp mechanism, users can easily increase or decrease the weight, enabling them to customize their workout routines and gradually increase their strength and endurance.

Another benefit of adjustable dumbbells is their space-saving design. Instead of needing multiple sets of dumbbells of varying weights, adjustable dumbbells provide a compact solution. By having a single set, users can perform a wide range of exercises that target different muscle groups without cluttering their workout space. This is particularly beneficial for home gyms or small workout areas where storage is limited. Additionally, the ability to switch between weights quickly makes adjustable dumbbells a time-efficient option, allowing users to transition smoothly between exercises without interruptions.

In terms of safety, adjustable dumbbells provide added stability during workouts. The weights are securely attached to the dumbbell handle, eliminating the risk of plates slipping or falling off. This ensures a safer exercise experience, reducing the likelihood of injuries that may occur with traditional dumbbells.

Furthermore, adjustable dumbbells offer cost-effective advantages. Purchasing multiple sets of traditional dumbbells can be expensive, especially considering the price of individual dumbbells and the space required for storage. Adjustable dumbbells provide a cost-effective alternative, as a single set can replace several fixed-weight dumbbells. This makes them an attractive option for those looking to save money without compromising on their workout routine.

In conclusion, adjustable dumbbells are versatile, space-saving, safe, and cost-effective exercise equipment. They allow users to customize their weights, efficiently target various muscle groups, and optimize their workout experience. Whether you are a beginner or an experienced fitness enthusiast, adjustable dumbbells offer a practical and functional solution for an effective strength training regime.

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