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Convertible Car Seat Comparison - October 2025

7 Best Convertible Car Seat In the UK

Overview:
1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
9.6Exceptional
4
Best Value
9.5Excellent
5
9.3Excellent
6
9.1Excellent
7
9.0Excellent
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Model

Graco SlimFit R129 All-in-One Convertible Car Seat, Birth to 12 years (40-145cm). Rearward facing until approx. 4yrs (40-105cm), Forward facing from approx. 3.5 to 12 years (100-145cm), Iron fashion
Model
Graco Extend LX R129 Convertible Car Seat, Rearward Facing for Longer from Birth to Approx. 4 Years (40-105cm). Forward Facing from 15 Months to Approx. 4 Years (76-105cm), Midnight Fashion
Model
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
Model
Joie Stages R44 from Birth Combination Group 0+1/2 Belted Car Seat (Birth - Approx. 7 Years, 0-25kg) - Coal
Model
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
Model
Feakaou 360 Car Seat with ISOFIX - for Newborn to 12 Years Children, i-Size (ECE R129/E4) Rotating Swivel Baby Car Seat,Group 0+1/2/3 (40-150cm),Rear Facing for Longer from Birth to 4 Years.Black.
Model
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 (Grey & Black)

Brand

Graco
Brand
Graco
Brand
Kinderkraft
Brand
Joie
Brand
COZY N SAFE
Brand
Feakaou
Brand
kidoola

Reviews

1,424 reviews
Reviews
800 reviews
Reviews
38,758 reviews
Reviews
24 reviews
Reviews
1,482 reviews
Reviews
-
Reviews
88 reviews

Tech Specs

product dimensions

56.1 x 54 x 86 cm 8.76 kg
product dimensions
50.3 x 42.7 x 62.6 cm 6.11 kg
product dimensions
48 x 44 x 60 cm 6 kg
product dimensions
78 x 44 x 73 cm 10 kg
product dimensions
41 x 45 x 72 cm 6 kg
product dimensions
54.5 x 42.5 x 62 cm 15.6 kg
product dimensions
48 x 48.4 x 67 cm 4 kg

batteries required

No
batteries required
No
batteries required
No
batteries required
No
batteries required
No
batteries required
No
batteries required
No

orientation

Rear Facing
orientation
Rear Facing
orientation
Forward Facing
orientation
-
orientation
Forward Facing
orientation
Forward Facing Rear Facing
orientation
Forward Facing

item weight

8.76 kg
item weight
6.11 kg
item weight
6 kg
item weight
-
item weight
6 kg
item weight
15.6 kg
item weight
4 kg

maximum weight recommendation

36 Kilograms
maximum weight recommendation
18 Kilograms
maximum weight recommendation
36 Kilograms
maximum weight recommendation
-
maximum weight recommendation
36 Kilograms
maximum weight recommendation
36 Kilograms
maximum weight recommendation
36 Kilograms

material type

Polyester, Alloy Steel, Polypropylene, Aluminium
material type
Polyester, Alloy Steel, Polypropylene, Aluminium
material type
Polyester, Polypropylene
material type
-
material type
Plastic
material type
High Density Polyethylene
material type
Polyurethane

customer reviews

4.7 4.7 out of 5 stars 712 ratings 4.7 out of 5 stars
customer reviews
4.7 4.7 out of 5 stars 400 ratings 4.7 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 19, 379 ratings 4.5 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 12 ratings 4.6 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 741 ratings 4.5 out of 5 stars
customer reviews
-
customer reviews
4.5 4.5 out of 5 stars 44 ratings 4.5 out of 5 stars

material composition

20.7 Steel, 20.12 Polyester, 59.18 Plastic
material composition
6.3 Steel, 13.95 Polyester, 79.75 Plastic
material composition
Polyethylene, Polyester
material composition
-
material composition
100 Polyester
material composition
HDPE 5502
material composition
HDPE, Polyester, Polyurethane

harness type

5-Point
harness type
5-Point
harness type
5-Point
harness type
-
harness type
5-Point
harness type
5-Point
harness type
-

style

R129 Iron
style
R129
style
Comfort Up I-Size
style
-
style
-
style
-
style
-

number of reclining positions

-
number of reclining positions
6
number of reclining positions
7
number of reclining positions
-
number of reclining positions
-
number of reclining positions
12
number of reclining positions
-

rear facing maximum child weight

-
rear facing maximum child weight
-
rear facing maximum child weight
36 Kilograms
rear facing maximum child weight
-
rear facing maximum child weight
18 Kilograms
rear facing maximum child weight
36 Kilograms
rear facing maximum child weight
-

Available On

Available On
Available On
Available On
Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    Graco
    22% Off

    Graco SlimFit R129 All-in-One Convertible Car Seat, Birth to 12 years (40-145cm). Rearward facing until approx. 4yrs (40-105cm), Forward facing from approx. 3.5 to 12 years (100-145cm), Iron fashion

    Why we love it

    Extended rearward-facing for added safety.
    Adapts as child grows.
    Enhanced side impact protection.
    Main highlights
    • Our original SlimFit convertible car seat has been adapted to meet the EU’s new R129 standards. Most importantly, SlimFit R129 has undergone more extensive side impact testing and ensures your little one stays rearward facing for longer.
    • Interchangeable TrueShield side impact protection pod attaches to either side of the car seat. In the event of a collision, it works to reduce the impact and better protects your child from head to hips.
    • Adjustable width, SlimFit R129 adapts as your child grows both up and out. When the headrest is raised, the side wings of the car seat simultaneously expand, keeping your little one comfortable and safe for as long as they ride in this convertible car seat.
    • 6-position recline, with 2 rearward and 4 forward recline positions, your child will enjoy the ultimate in comfort on each and every ride.
    • 2-in-1 convertible car seat, SlimFit R129 easily transitions from a rearward-facing harnessed seat (40-105cm) to a forward-facing highback booster (100-145cm) to adapt as your child grows from baby to big kid.
  • 9.7
    2
    Graco
    10% Off

    Graco Extend LX R129 Convertible Car Seat, Rearward Facing for Longer from Birth to Approx. 4 Years (40-105cm). Forward Facing from 15 Months to Approx. 4 Years (76-105cm), Midnight Fashion

    Why we love it

    Extended rearward-facing for safety.
    Easy harness adjustments.
    Versatile recline positions.
    Main highlights
    • Suitable from 40-105cm (birth to approx. 4 years); Rearward facing for longer - from 40-105 cm (birth to approx. 4 years); Forward facing harness mode from 76-105cm (15 months to approx. 4 years)
    • Safety Surround Side Impact Protection; Intuiative and easy belt path installation with integrated lock-off
    • Padded newborn inserts and harness pads included
    • No-rethread harness allows you to easily adjust the harness and 6-position headrest together as your child grows, ensuring your child is properly secured at all ages
    • 4-position recline (1 rearward, 3 forward)
  • 9.6
    3
    Kinderkraft

    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

    Why we love it

    Grows with your child.
    Easy to install and adjust.
    Comfortable and secure design.
    Main highlights
    • 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
    • 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)
    • 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
    • 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

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Value for money

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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.