Best Child Seats Deals Online in the UK (25 Deals Found)

Last Updated - 10/09/2026 Sort By:

Best Choice
Graco

New
Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 year
R129 highback booster car seat - Suitable from 100-150cm (3.5 to approx. 12 years)

£34.99 £40.00
Best Value
Kinderkraft

New
Kinderkraft I-Comfy, Car seat, for Kids, Regulations (76-150cm), Adjustible backcrest, 5-Point Safety Harness, Easy Grow
CAR SEAT 76–150 CM (approx. 15 months – 12 years) – i-Size (R129) compliant, forward-facing only, adjustable to your chi

£42.90 £49.90
New
35kg Bike Child Seat Kids Bicycle Front Mount Seat Front Bike With Safety Belt
Application: Suitable for 1 years to 3 years old kids weighing less than 35kg / 77 lbs. Suitable for MTB, bikes with hor

£19.90
11% Off
My Babiie

New
My Babiie MBCSB10 Booster Car Seat - Lightweight at 1kg, Approx. 6-12 Years (125-150cm, 22-36kg), R129, i-Size Backless
CHILD CAR BOOSTER SEAT: The My Babiie basic backless booster is suitable from 125-150cm (approx. 6-12 years, 22-36kg, Gr

£15.99 £17.95
New
35kg Child Bike Seat , Kids Bicycle Front Safe Seat , Mount Front Mountain Bike
Application: Suitable for 1 years to 3 years old kids weighing less than 35kg / 77 lbs. Suitable for MTB, bikes with hor

£21.29
12% Off
Kinderkraft

New
Kinderkraft Comfort UP Car Seat, I-Size Booster Child Seat, with 5 Point Harness, Adjustable Headrest, for Toddlers, Inf
FUNCTIONAL: The car seat is suitable for children from 76 cm to 150 cm tall (approximately 15 months to 12 years or 9-36

£52.90 £59.90
Maxi-Cosi

New
Maxi-Cosi Tanza i-Size, High Back Booster Seat, 3.5–12 years, 100–150cm, Compact Foldable Car Seat, 10 Headrest Position
GROUP 2/3 CAR SEAT: the multi-age forward-facing car seat effortlessly combines comfort, safety, and convenience on the

£79.99
New
35kg Child Bike Seat , Kids Bicycle Front Safe Seat , Mount Front Mountain Bike
Dog Ramp For Bed Foldable Dog Vehicle Stairs Footrest Stool For Small Animal UK. Application: Suitable for 1 years to 3

£21.29
COZY N SAFE

New
Cozy N Safe Logan Car Seat Group 1/2/3 9-36kg, 5 Point Harness, Forward Facing High Back Booster, Side Impact Protection
Group 1/2/3 car seat suitable from 9–36kg (approx. 9 months to 12 years)

£47.50
New
Universal Car Child Seat Restraint Anchor Mounting Replacement ISOFIX Bracket UK
Fit for cars without ISOFIX interface. 1 ISOFIX Bracket. The following models cannot be installed with ISOFIX interface

£17.99
29% Off
Graco

New
Graco Eldura R129 Harness Booster Car Seat, Convertible Harness to Highback Booster, 76–145 cm, 15 Months–12 Years, Midn
2-in-1 car seat - get more longevity out of this car seat thanks to the 2 forward-facing modes. From 76 to 105cm (15 mon

£60.00 £85.00
Graco

New
Graco Affix R44 Highback Booster car seat with isoCatch connectors, Suitable from approx. 4 to 12 years (15-36kg), Starg
Group 2/3 car seat - suitable from 4 to approx. 12 years (15-36 kg )

£50.00
New
Bike Front Mounted Child Seat Kids Top Tube Bicycle Detachable Child Armrest
Kids Bike Seat Front Mounted Bicycle Seats Detachable Mountain Bike Kid Seat UK. Safe and Comfortable: Soft and elastic

£24.00
My Babiie

New
My Babiie MBCS75 Toddler to Booster R129 Child Car Seat - ISOFIX with Top Tether, Harness, 76-150cm (Approx. 9-36kg, 15
TODDLER & CHILD CAR SEAT: The MBCS75 grows with your child from 76–150cm (from appoximately 9-36kg, 15 months to 12 year

£59.95
New
Bike Front Mounted Child Seat Kids Top Tube Bicycle Detachable Child Armrest
Safe and Comfortable: Soft and elastic saddle cushion provides shock absorption with comfort. Smooth, tear-resistant, ab

£21.00
COZY N SAFE

New
Cozy N Safe Neo i-Size Booster Car Seat 125-150cm, Backless Booster Seat, Lightweight Portable Child Car Seat, Deep Padd
i-Size (R129) booster seat suitable from 125–150cm (approx. 6–12 years)

£13.99 £14.99
New
Bike Front Mounted Child Seat Kids Top Tube Bicycle Detachable Child Armrest
Model: Child bike seat & Bike armrest. 【Easy to Install & Remove】- Equipped with quick release for easy fitting and remo

£16.00
New
35kg Child Bike Seat Kids Bicycle Front Mount Safe Seat Front Mountain Bike
Application: Suitable for 1 years to 3 years old kids weighing less than 35kg / 77 lbs. Suitable for MTB, bikes with hor

£19.99
New
Kids Bicycle Rear Seat Bike Padded Seat Cushion Sponge Child Safety Carrier Seat
Armrests and footrests give a sense of security. Thickened sponge cushion, shock-absorbing, can provide a comfortable ri

£11.99
New
Front Mounted MountainBike Child Seat Full Surround Safety Baby Seat for Bicycle
Type:Front Child Bicycle Seat. Size specs: 20 cm (7.87 in) top grip, 33 cm (12.99 in) safety rail; 16 cm (6.30 in) deep

£30.96
New
Urban Iki Junior Child Seat
Urban Iki Junior Child Seat Cycling yourself is the best thing there is. For those occasions, we have developed the Urba

£59.95 £79.99
New
Kids Child Bicycle Front Safety Seat Chair Front Carrier with Handrail & Pedal
This product allows us to ride a bike to take our children out for fun, which is not only safe but also comfortable. 100

£32.12
New
Bike Front Mounted Child Seat Kids Top Tube Bicycle Detachable Child Armrest MTB
Safe and Comfortable: Soft and elastic saddle cushion provides shock absorption with comfort. Smooth, tear-resistant, ab

£17.99
New
Pedal ‌Child Safety Seat Saddle Rear-mounted E-Bike Kids Seat Mountain Bikes
Adjustable Saddle and Pedal Armrest: Features adjustable components to accommodate children of different sizes and provi

£50.20
New
Pedal Child Bike Seat Saddle‌ Rear-mounted ‌Child Bicycle Seat for MTB Cycling
Easy Installation: Designed for quick and hassle-free mounting on MTB, e-bikes, and other bicycles without the need for

£41.93

25 Child Seats deals are available from: Amazon, eBay stores, starting from £11.99.
The biggest discount we found is 29% on Graco Eldura R129 Harness Booster Car Seat, Convertible Harness to Highback Booster, 76–145 cm, 15 Months–12 Years, Midnight at Amazon.
The lowest price we found is £11.99 while the highest is £79.99.
Prices for the best Child Seats deals average at £34.59.
Last updated on September 10, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Child Seats.