10 Best Toddler Car Seats Group 2 3 in The UK

Last updated on 03/08/2025

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Joie

Joie Every Stage FX Group 0+/1/2/3 R44 Car Seat, 1 to 12 Years, 9-36 kg, Coal

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Why We Love It

Enhanced side impact protection.
Ergonomic pad for comfort.
Supports baby’s correct posture.

Main Highlights

4 SEATS IN 1: An every group child seat starting as a rearward facing seat from birth to 18 kg, and converting to a forward facing seat from 9-36 kg
TRANSFORMS TO FIT: As the headrest adjusts up AutoAdjust side wings expand to custom fit growing little ones all the way up to the tallest of 12 year olds
ROCK SOLID: Easy and exact ISOFIX installation when forward facing in group 1, plus ISOSAFE connection to keep seat securely in place in group 2/3 booster mode

Kinderkraft ONETO3 I-Size Child Car Seat, Base with Isofix, Top Tether, Reclining for Toddlers & Infant, Group 1/2/3, Up to 12 Years, Safety Certificate ECE R44/04, 9-36 kg, Blue

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Why We Love It

Meets latest safety standards.
Enhanced side protection features.
Convenient one-hand adjustments.

Main Highlights

✅ I-SIZE - The ONETO3 i-Size car seat meets the requirements of the latest R129 i-Size standard. You can have peace of mind that your child is safe and therefore focus on driving the car. ONETO3 i-Size is the successor of the iconic ONETO3 model, which achieved a high ADAC rating.
✅ Highest level of safety - The high, reinforced side protection (SPS) absorbs energy created in a side-on collision and doesn't allow it to reach your child. It protects your youngster’s shoulders and hips in the event of an accident.
✅ Easy ISOFIX installation - The car seat can be installed in your car in just a few moments, thanks to ISOFIX. When driving younger children, you must also affix it using the TOP TETHER strap.
✅ RECLINING function - The car seat is integrated with the base, meaning the angle of incline can be adjusted relative to the car's bench seat – you can do this using one hand throughout the entire period of use.
✅ EASY GROW SYSTEM - The headrest can be adjusted to 18 levels. The EASY GROW SYSTEM allows you to adjust the headrest and safety harness at the same time using one hand.

Kinderkraft I-Grow Child Car Seat, I-Size 40-150 cm, 360 Degree Rotation, Isofix, Base Station, RWF and FWF, Special Safety Systems, Easy to Clean, from Birth Group 0/1/2/3 0-36 kg, Black

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Why We Love It

Multi-functional and versatile design.
Outstanding safety systems included.
Easy rotation for convenience.

Main Highlights

✅ MULTI-FUNCTIONAL: This car seat is suitable for children from 40 cm to 150 cm (0-36 kg, 0-12 years), allowing both Rearward-Facing (RWF) and Forward-Facing (FWF) positions. It complies with the latest R129 i-Size safety standard and has undergone rigorous crash tests.
✅ SAFE: The car seat features dedicated safety systems, including a 3-layered headrest with memory foam (H-GUARD SYSTEM) and wide, strong side protection elements (SPS+). It can be installed using ISOFIX and TOP TETHER, and it comes with correct installation indicators.
✅ EASY SPIN: Thanks to the EASY SPIN 360° system, the car seat can be easily rotated to face the car door, facilitating placing the child in the car seat and fastening them with the internal five-point safety harnesses. The system also allows for an easy transition between RWF and FWF positions without uninstalling the car seat.
✅ ADJUSTABLE: There are twelve headrest adjustment options and five angle of incline adjustment options of the backrest (reclining system), both in RWF and FWF positions.
✅ PRACTICAL: When it's time to secure the child with the car seat belt, the five-point internal harnesses can be stored in a special compartment. The car seat also includes a modular memory foam insert in the headrest for younger children. The cover is easy to remove for washing.

My Babiie MBCS80 Foldable Toddler to Booster R129 Child Car Seat - ISOFIX with Top Tether, Harness, 76-150cm (Approx. 9-36kg, 15 Months - 12 Years), i-Size, Group 1/2/3, Forward Facing - Black

Why We Love It

Grows with your child’s needs.
Compact design for easy travel.
Hassle-free installation for safety.

Main Highlights

TODDLER & CHILD CAR SEAT: The MBCS80 grows with your child from 76–150cm (from appoximately 9-36kg, 15 months to 12 years, Group 1/2/3), transforming from a secure harness seat to a high-back booster. With adjustable headrest and no-rethread harness, it ensures comfort, safety, and convenience at every stage. i-Size certified and forward facing kids car seat.
FOLD AND GO: The Fold & Go feature allows the booster seat to fold into a compact, portable size for easy carrying. Perfect for travel or storage, it ensures hassle-free convenience while maintaining reliable safety and comfort for your growing child.
HASSLE-FREE INSTALLATION: With a double-fix installation system using ISOFIX and a Top Tether strap, this car seat offers secure, stable attachment to your vehicle.
SAFETY FIRST: The MBCS80 is designed to meet the latest EU R129 safety certification standards. A reinforced shell and additional side impact testing give you peace of mind during every journey.
COMFORT FOR YOUR LITTLE VIP: The 5-point harness system, designed with soft padded covers, keeps your little one both secure and comfortable by protecting the body’s strongest points, ensuring a snug, safe fit throughout every journey from toddler to big kid. An adjustable headrest and extra padding ensure your child's comfort on every journey.
ALSO FEATURES: Simple to remove hand washable cover, breathable fabrics and wide, soft seat, and easy harness storage when switching to booster mode.

Joie Stages R44 from Birth Combination Group 0+1/2 Belted Car Seat (Birth - Approx. 7 Years, 0-25kg) - Coal

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Why We Love It

Grows with your child.
Simple seatbelt installation.
Steel frame for protection.

Main Highlights

BIRTH TO 7 YEARS, built to grow with little ones. Get through years of growth in a single seat for birth to 7 years. It offers rear facing use up to 18 kg, forward facing use with a harness from 9-18 kg, and forward facing as a belted booster from 15-25 kg.
SEATBELT INSTALL, simple security. The stages convertible car seat attaches securely to the seat with a seatbelt , making it ideal for older model vehicles that don't have ISOFIX or compact vehicles.
GROW TOGETHER, designed with growth in mind. Multi-height headrest and harness system that adjusts simultaneously with just one hand… even while the car seat is installed, and without rethreading a harness. It’s just what you need to be prepared for those growth spurts that seem to happen overnight.
STEEL REINFORCED SHELL, bound to protect. Steel frame support keeps car seat strong during impact, extends the life of the materials of the seat to 10 years, and adds weight to keep the seat tight and low to the vehicle seat for better stability and protection.
4 RECLINE OPTIONS for laidback riding. 1 recline position while rear facing and 3 when forward facing means you’ll always have options to help you customise their comfort.

globalkids i-Size High Back Booster Car Seat, Group 2/3 ISOFIX Toddler Car Seat, with Cup Holder, Adjustable Headrest/Backrest/Width, 3–12 Years, 15-36 kg, 100cm-150cm, Black

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Why We Love It

Ultimate safety standards reassurance.
Grows with the child.
Convenience in easy installation.

Main Highlights

i-Size Car Seat - Complies with the highest safety standards ECE R129 i-Size regulation, which adding side crash testing compared to ECE R44. Additionally, it adds the protection of force-absorbing material in the seat head.
GROUP 2/3 Booster Seat - Child car seat offering long-term use - for children age from approximately 3 years to approximately 12 years(100-150cm, 15-36 kg).
Easy Installation - You could use in cars with or without Isofix, suitable for all cars. Isofix installing and uninstalling can be easily done. Isofix locks with red and green markings against misuse(more security).
Growing with your child - That is a multi-functional child seat. With growing of your child, you could adjust the headrest in height and the backrest in width.
Design for family- The cup holder is removable, you can assemble on both sides of booster seat according to your car. It also adds memory foam on the base for a comfortable long journey. Since comsidering the design of easy to be carried and stored, it's a lightweight and detachable.

Cozy N Safe Hudson,25KG 5-Point Integral Harness, Group 1/2/3 9-36kg, 9 Months to 12 Yrs, ISOFix & Top Tether, Side Impact Protection, Adjustable Headrest, Forward Facing, Child/Toddler Car Seat

Why We Love It

Harness usable up to 25kg.
Clear installation safety indicators.
Self-adjusting harness system.

Main Highlights

STAY HARNESSED FOR LONGER: The Hudson car seat features an extended harness that can be used all the way up to 25kg (not the usual 18kg). Allowing you to keep your child harness for as long as possible (approx 6 years old).
ISOFIX: Fitted in most makes and models of cars using the ISOFix, top tether and or the vehicle's seat belt. Clear indicators show you when the child seat is secure.
SELF ADJUSTING HARNESS: The harness will automatically adjust with the headrest ensuring the harness is always in the best possible position to keep your child safe.
REMOVABLE & WASHABLE COVERS: Cover are made from a wipeable material. When that is not enough all covers can be easily removed and washed at 30°C.
24 MONTH WARRANTY - This product is protected by Cozy N Safe's standard 24 month warranty. More information can be found on the manufacturer's website.

Cosatto Zoomi Car Seat - Group 1 2 3, 9-36 kg, 9 Months-12 Years, Forward Facing, Charcoal Mister Fox

25% Off

Why We Love It

Adapts to child's growth.
Offers secure anti-escape system.
Removable, washable padded comfort.

Main Highlights

FORWARD FACING – Suitable from 9 kg-36 kg (9 months – 12 years approximately), Zoomi is an investment; it fits forward-facing with a standard 3-point vehicle seat belt.
ANTI-ESCAPE SYSTEM – It features the exclusive five point plus Anti-Escape system, great for keeping little wrigglers in place, plus side impact protection for in-car security.
CREATURE COMFORTS – The comfy padded seat and adjustable headrest grow with your child; it’s easy to clean with removable washable padded liner and covers.
EASY TO CONVERT – When child gets older, remove harness to convert into high back booster seat.
HEIGHT ADJUSTABLE – Height adjustable head rest; Zoomi grows with your child; two-part reversible seat liner grows too, 4 year guarantee.

Cozy N Safe, Arthur Group 0+ 1 2 3 Baby, Toddler, Child Car Seat, Isofix, 0-36kg, Birth – 12 Years, Extended Rear Facing, Graphite

Why We Love It

Extended use from birth.
Multiple recline positions available.
High-quality, durable construction.

Main Highlights

Extended rearward facing from birth to 18kg (0 -4 years approx)
Forward facing from 9kg to 36kg (9 months to 11 years approx)
1 rear facing and 3 forward facing recline positions
Iso-fix, top-tether and vehicle belt
155° lie-flat group 0+, high quality injection moulded shell providing a stronger seat and a brilliant finish steel enforced frame

Kinderkraft Car Seat Comfort UP, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Infant, Group 1/2/3, 9-36 Kg, Up to 12 Years, Pink

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Why We Love It

Adapts to growing child's needs.
Ensures safety with harness system.
Offers comfort and easy usability.

Main Highlights

FUNCTIONAL: The car seat is suitable for children from 76 cm to 150 cm tall (approximately 15 months to 12 years or 9-36 kg); It is compliant with the latest R129 i-Size standard, it has successfully passed crash tests
SAFE: Easy installation with a three-point car seat belt, equipped with guides that are comfortable to use; The car seat is equipped with the internal five-point safety harness with soft pads and a crotch protector
COMFORTABLE: There are 11 headrest adjustment positions, and thanks to the EASY GROW SYSTEM, it offers simultaneous adjustment of the headrest and the internal safety harness; It has a wide, soft seat covered with breathable material
PRACTICAL: The car seat features special elastic bands to hold the safety harness, making it easier to place the child in it; And when you start to fasten your little one with the car seat belt; you can tuck away the internal safety harness without having to remove it from the car seat
MODULAR INSERT: The car seat is equipped with a soft and comfortable insert for younger children, which is modular and you can easily adjust it to your little one; You can use the insert for a child up to 87 cm tall (the part under the buttocks) or up to 105 cm (headrest)

8.7

Excellent

We scanned 308 products

We reviewed these offers relevant to the Toddler Car Seats Group 2 3 within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Joie, Kinderkraft, My Babiie, globalkids, COZY N SAFE, Cosatto, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Toddler Car Seats Group 2 3 in the market, we considered we took a deep dive into 1541 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Joie Every Stage FX Group 0+/1/2/3 R44 Car Seat, 1 to 12 Years, 9-36 kg, Coal. We love many things about this product by Joie. What sets it apart from the competition is Enhanced side impact protection, Ergonomic pad for comfort, Supports baby’s correct posture.
The best value product for most shoppers and where user satisfaction is continuously the highest is Kinderkraft ONETO3 I-Size Child Car Seat, Base with Isofix, Top Tether, Reclining for Toddlers & Infant, Group 1/2/3, Up to 12 Years, Safety Certificate ECE R44/04, 9-36 kg, Blue by Kinderkraft based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Toddler Car Seats Group 2 3 and the best cost-to-value ratio is Cosatto Zoomi Car Seat - Group 1 2 3, 9-36 kg, 9 Months-12 Years, Forward Facing, Charcoal Mister Foxat Cosatto with a 25% discount.
Our list of the best Toddler Car Seats Group 2 3 is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Toddler Car Seats Group 2 3 in The UK

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My Babiie MBCS50 Toddler to Booster R129 Child Car Seat - 5-Point Harness, 76-150cm (Approx. 9-36kg, 15 Months - 12 Years), i-Size, Group 1/2/3, Adjustable, Forward Facing - Black

Cozy N Safe Logan Group 1/2/3 Car Seat 9-36kg, 9 Months to 12 Years, 5 Point Harness, Forward Facing, Side Impact Protection, Adjustable Headrest, Lightweight, Child, Toddler Car Seat - Black/Grey

Kinderkraft JUNIORFIX2 Car Seat for 4-12 Years, I-Size 100-150 cm, Group 2/3, Toddler car seat with Isofix, Adjustable Headrest, Reinforced Side protections, Wide and Comfortable seat, Black

Alivio Adjustable Car Seat for Toddlers & Children, Padded & Comfortable Infant Kids Cart Seat 0-12 Years Approx with 3 Layer Headrest & Soft Fabric, Premium Design with Comfortabe Recline Position

Kidoola Adjustable Car Seat for Toddlers & Children - Safety Certified Booster Seat, Padded & Comfortable with 3 Adjustable Age Functions & Straps, Up to 12 Years - ECE R44/04 (Black)

My Babiie Booster Lite R129 Car Seat - Lightweight at 1kg, Approx. 6-12 Years (125-150cm, 22-36kg), i-Size Backless Child Car Seat, Group 3, Compact, Portable, Ideal for Travel - Black

My Babiie MBCSB20 Child Booster Seat - ISOFIX, R129 i-Size 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Kids Car Seat, Comfortable, Compact, Lightweight, Ideal for Travel - Black

We scanned 308 products

We concluded that: