• Black grow-with car seat set shown in multiple angles, including base and harness front
  • Black car seat installed in vehicle interior, padded harness and headrest with side protection
  • Midnight black child car seat with side headrest padding and safety harness
  • Midnight black child car seat with padded headrest and 5-point harness, child seated
  • For Your Little One GrowWithMe 0/1/2/3 i-Size Car Seat - Midnight Black (Birth-12 Years)
  • Midnight black child car seat with padded headrest, harness, and front-facing design
  • Midnight black child car seat with side shell and illustrated safety label panel
  • Midnight black child car seat viewed from back with recline base and harness pads
  • Midnight black child car seat with side illustration panel and padded shoulder support
  • Midnight black child car seat with front emblem, deep cushions, and safety harness
  • Midnight black child car seat from side angle with side instruction label on shell
  • Midnight black child car seat side view with instruction label panel and base controls
  • Midnight black child car seat reclined side view with headrest cushions and harness
  • Midnight black child car seat angled view with side emblem, harness, and armrest
  • Black car seat with padded headrest, harness straps, and dark base with stability legs
  • Black car seat with side headrest, padded harness, and vehicle-safe base with green accents
  • Black car seat in side view, padded headrest and harness, dark recline base
  • Black car seat front backrest view with padded cover and headrest, green accent details
  • Black car seat side view with padded headrest and harness, label panel near armrest
  • Black car seat rear view with large back panel, padded headrest, and recline base
  • Black car seat rear view with wide back cover, green trim, and padded headrest
  • Black car seat angled side rear view with padded headrest, harness, and base controls
For Your Little One

For Your Little One GrowWithMe 0/1/2/3 i-Size Car Seat - Midnight Black (Birth-12 Years)

Good to know One i-Size Seat from Birth to 12 Years
£62.99 £119.99 Save 47% In stock

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Suitable from birth to 36kg (approx. 12 years)

Group 0/1: Birth–18kg (approx. 0–4 years) — Rear & forward-facing with 5-point harness
Group 2: 15–25kg (approx. 4–6 years) — Forward-facing with harness
Group 3: 22–36kg (approx. 6–12 years) — High-back booster mode

Seat Dimensions: (W)44cm x (D)51cm x (H)58cm
Rear-facing up to 105cm child height
1x GrowWithMe 0/1/2/3 i-Size Car Seat (Midnight Black)
1x Newborn Insert
1x User Manual
✔ i-Size (R129) Certified — Latest European safety standard
✔ Extended Rear-Facing up to 105cm for maximum protection
✔ Universal belted installation — no ISOFIX required, fits virtually any car
✔ 5-Point safety harness adjusts as your child grows
✔ One-hand adjustable headrest with 7 height positions
✔ Multiple recline positions for sleeping and sitting comfort
✔ Premium padded, breathable fabrics for long journeys
✔ Machine-washable, removable seat covers
✔ Grows from birth to 36kg (approx. 12 years) — one seat for every stage

Birth to 12 Years Protection in One Premium i-Size Car Seat

The For Your Little One GrowWithMe is the only car seat you'll ever need. This i-Size car seat grows with your child from birth through to 12 years, combining Group 0/1/2/3 functionality with a universal belted installation that fits virtually any vehicle — no ISOFIX required.

Key Safety Features

  • i-Size (R129) Certified — Meets the latest European safety standards for superior impact protection
  • Extended Rear-Facing — Keep your child safer for longer, rear-facing up to 105cm
  • Belted Installation — Universal fit using your vehicle's 3-point seatbelt for compatibility with virtually any car — no ISOFIX required
  • 5-Point Safety Harness — Adjustable system that grows with your child through every stage

Comfort & Convenience

  • Premium padded fabrics with breathable materials for long journeys
  • Multiple recline positions for sleeping and sitting comfort
  • One-hand adjustable headrest with 7 height positions
  • Machine-washable, removable seat covers

Grows With Your Child

  • Group 0/1: Birth to 18kg (approx. 0–4 years) — Rear and forward-facing with 5-point harness
  • Group 2: 15–25kg (approx. 4–6 years) — Forward-facing with harness
  • Group 3: 22–36kg (approx. 6–12 years) — High-back booster mode

Why Parents Choose the GrowWithMe

One premium seat instead of multiple car seats as your child grows — saving you money and reducing waste. The belted installation means it's compatible with virtually any vehicle using a standard 3-point seatbelt, with no ISOFIX anchors needed. The sleek Midnight Black finish complements any vehicle interior.

Suitable from birth to 36kg (approximately 12 years)

Black grow-with car seat set shown in multiple angles, including base and harness front
For Your Little One GrowWithMe 0/1/2/3 i-Size Car Seat - Midnight Black (Birth-12 Years)
£62.99
£62.99 -47%
£119.99
Supporting families since 2011
Trusted by families across the UK
Read our customer reviews on Trustpilot

Trusted by UK families

A safe and reliable place to shop for little ones

Free UK Delivery

On UK mainland orders over £49.99

Same-Day Dispatch

Order by 2.30pm for same-day dispatch

Easy Returns

Simple returns for extra peace of mind

Why you'll love it

Designed around family life

Discover the features, thoughtful details and benefits designed to make life with little ones easier.

All‑in‑One Safety from Birth to 12 Years
01

All‑in‑One Safety from Birth to 12 Years

This innovative car seat grows with your child from newborn through to around 12 years old (up to 36 kg), replacing the need for multiple seats as they develop. It’s designed to adapt across all key stages of childhood for long‑lasting use.
For Your Little One GrowWithMe 0/1/2/3 i-Size Car Seat - Midnight Black (Birth-12 Years)
02

Universal Belted Installation — Fits Any Car

The GrowWithMe uses your vehicle's standard 3-point seatbelt for a secure, universal fit — no ISOFIX anchors required. This makes it compatible with virtually any car, giving you flexibility whether you're at home or travelling.
Comfort & Convenience All the Way
03

Comfort & Convenience All the Way

With premium padding, breathable fabrics, multiple recline positions and a one‑hand adjustable headrest, comfort is covered for every journey.
Designed for family life Comfort & practicality Made for everyday adventures

This 0-12 year stage seat offers "good padding" and customers said it "feels secure when belted in." Most praised the easy installation and comfort. However, one customer returned it due to excessive movement when belted, citing safety concerns without ISOFIX, which some felt should be standard.

  • Feels sturdy, fits securely with the seat belt and is comfortable for my little one.
  • Secure, comfortable and easy to use, especially for a belted seat without ISOFIX.
  • Love that this seat covers stages 0/1/2/3. The padding is comfortable.
  • 5 stars: 21 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
A
Anne W.
Really impressed with the quick delivery & well made the car seat is

Car seat

E
Emma T.
Excellent car seat

Really pleased with this car seat. It feels sturdy, fits securely with the seat belt and is comfortable for my little one.

C
Claire G.
Five stars

Excellent car seat. Secure, comfortable and easy to use, especially for a belted seat without ISOFIX.

N
Natalie V.
Very comfortable

My little one settles really well in this car seat. The padding is great and it feels secure once belted in.

S
Sophie M.
Great belted seat

A really good car seat and very easy to install using the vehicle belt. Feels secure and well made.

A
Amy E.
Safe and sturdy feel

Really impressed by how sturdy this car seat feels. Easy belt fitting and plenty of support as my child grows.

O
Olivia R.
Perfect from baby to toddler

Love that this seat covers stages 0/1/2/3. The padding is comfortable and the belted fitting feels nice and secure.

L
Lauren I.
Excellent all-round seat

A great stage 0/1/2/3 car seat. Comfortable, practical and easy to install with the vehicle seat belt. Very happy with it.

C
Charlotte B.
Very impressed

Excellent car seat for the price. It is solid, supportive and straightforward to fit without ISOFIX.

A
Amelia K.
Comfortable and secure

My child is very comfortable in this seat and the harness feels secure. The seat belt installation was simple too.

L
Lucy H.
Brilliant car seat

Brilliant quality car seat. Easy to strap into the car with the belt and it feels very stable once fitted.

G
Grace P.
Would recommend

Really happy with this car seat. Comfortable, sturdy and ideal if your car does not have ISOFIX.

E
Emily W.
Great quality

The car seat feels strong and well padded. Installation with the car seat belt was quick and easy.

J
Jessica D.
Fantastic seat

Fantastic 0/1/2/3 car seat. It looks smart, feels safe and my little one seems very comfortable in it.

H
Hannah C.
Easy to install

Very easy to install with the vehicle belt and the instructions were clear. A great car seat overall.

S
Sarah J.
Really happy with it

This is a lovely car seat. Good padding, secure harness and it sits firmly in the car when belted in.

R
Rebecca L.
Solid and comfortable

A solid, comfortable car seat that feels built to last. The belted installation works really well.

L
Laura S.
Great for different stages

Really useful having one seat for stages 0 through 3. It is comfortable and feels secure when fitted with the seat belt.

K
Katie N.
Super car seat

Very pleased with the quality. The seat is supportive, easy to adjust and simple to secure using the car belt.

R
Rachel F.
Good value and quality

Such a good car seat for the money. It feels sturdy and the padding is soft and comfortable.

M
Megan A.
Fits well in the car

The seat fits nicely in our car and is easy to secure with the seat belt. My child looks comfortable and well supported.

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