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ISOFIX Bases

Explore ISOFIX bases from top brands such as Maxi-Cosi, Joie, Graco and Cuggl. Enjoy easy installation, click-and-go security and compatibility with a range of infant car seats or travel systems. Perfect for simple, speedy transfers between car and pram (naps totally uninterrupted). Parenting just got a little slicker.

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Car seats(26)

Offers & Clearance

Clearance(1)

Brands

Maxi-Cosi(7)

Cosatto(6)

CYBEX(4)

Joie(4)

ISOFIX

ISOFIX base included(13)

ISOFIX base sold separately(12)

Integrated ISOFIX(1)

Car seat group

Group 0 plus(11)

Group 0 plus and 1-2-3(6)

Group 0 plus and 1(5)

Group 1(1)

Approximate age group

Birth to 12-15 months(10)

Birth to 12 years(6)

Birth to 4 years(3)

Birth to 9 months(1)

Direction

Forward and rear facing(13)

Rear facing(12)

Child weight

Birth to 13kg(9)

Birth to 18kg(3)

9kg to 18kg(1)

Child's minimum height (cm)

40(17)

61(4)

0(2)

45(2)

Safety compliance

ECE R129(25)

Rotating seat

Yes(13)

Price

£50 - £100(2)

£100 - £150(4)

£150 - £200(11)

£200 - £250(6)

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26 products

Joie i-Juva R129 i-Size Birth To 12 months Car Seat - Shale

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Joie i-Juva R129 i-Size Birth To 12 months Car Seat - Shale

Rating 4.5 out of 5, from 194 reviews

(194)

£60.00

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Maxi Cosi CabrioFix R129 i-Size Car Seat

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Maxi Cosi CabrioFix R129 i-Size Car Seat

Rating 4.8 out of 5, from 38 reviews

(38)

£130.00

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Maxi-Cosi Pebble S R129 Infant Carrier Car Seat - Black

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Maxi-Cosi Pebble S R129 Infant Carrier Car Seat - Black

Rating 4.8 out of 5, from 12 reviews

(12)

£150.00

Free Delivery

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Cybex Aton B2 R129 Infant Carrier & Car Seat Base - Black

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Cybex Aton B2 R129 Infant Carrier & Car Seat Base - Black

Rating 4.7 out of 5, from 14 reviews

(14)

£200.00

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My Babiie MBCS02 i-Size R129 Car Seat And Base - Black

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My Babiie MBCS02 i-Size R129 Car Seat And Base - Black

Rating 5.0 out of 5, from 9 reviews

(9)

£150.00

Free Delivery

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Maxi-Cosi Pearl S R129 i-Size Car Seat Tonal Black

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Maxi-Cosi Pearl S R129 i-Size Car Seat Tonal Black

Rating 4.6 out of 5, from 7 reviews

(7)

£200.00

Free Delivery

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*Argos Pay Representative Example

Representative 34.9% APR (variable), 34.95% PA purchase rate (variable), £1,200 assumed credit limit.

Subject to status. 18+. UK only. Terms apply. NewDay Ltd is the lender, Argos Limited is the broker.

Maxi-Cosi Pebble R129 i-Size 360 Car Seat - Black

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Maxi-Cosi Pebble R129 i-Size 360 Car Seat - Black

Rating 4.1 out of 5, from 37 reviews

(37)

£210.00

Free Delivery

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Silver Cross Balance - i - Size ISOFIX R129 Car Seat

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Silver Cross Balance - i - Size ISOFIX R129 Car Seat

Rating 5.0 out of 5, from 2 reviews

(2)

£160.00

Free Delivery

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Joie Signature i-Level Pro Deep Recline Car Seat - Eclipse

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Joie Signature i-Level Pro Deep Recline Car Seat - Eclipse

Rating 5.0 out of 5, from 1 reviews

(1)

£150.00

Free Delivery

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Joie Signature I Level R129 Car Seat - Maple

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Joie Signature I Level R129 Car Seat - Maple

Rating 5.0 out of 5, from 1 reviews

(1)

£150.00

Free Delivery

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Joie Signature i-Level Pro Deep Recline Car Seat - Evergreen

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Joie Signature i-Level Pro Deep Recline Car Seat - Evergreen

Rating 5.0 out of 5, from 1 reviews

(1)

£150.00

Free Delivery

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Cybex Sirona GI R129 Car Seat & Base - Black

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Cybex Sirona GI R129 Car Seat & Base - Black

Rating 5.0 out of 5, from 1 reviews

(1)

£280.00

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*Argos Pay Representative Example

Representative 34.9% APR (variable), 34.95% PA purchase rate (variable), £1,200 assumed credit limit.

Subject to status. 18+. UK only. Terms apply. NewDay Ltd is the lender, Argos Limited is the broker.

Cybex Sirona GI R129 Car Seat - Black

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Cybex Sirona GI R129 Car Seat - Black

Rating 4.0 out of 5, from 1 reviews

(1)

£220.00

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Cosatto Get Set Grow Plus Car Seat - Foxed

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Cosatto Get Set Grow Plus Car Seat - Foxed

£199.95

Free Delivery

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Cosatto Get Set Grow Car Seat - Dino Delite

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Cosatto Get Set Grow Car Seat - Dino Delite

£179.95

Free Delivery

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Cosatto Get Set Grow Car Seat - D is for Dino

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Cosatto Get Set Grow Car Seat - D is for Dino

£130.00

Free Delivery

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Cosatto Get Set Grow Plus Car Seat - Hoglet

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Cosatto Get Set Grow Plus Car Seat - Hoglet

Save Over £49.00

£150.00

£199.95

Free Delivery

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Cosatto Get Set Grow Plus Car Seat - Bearhug

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Cosatto Get Set Grow Plus Car Seat - Bearhug

Save Over £49.00

£150.00

£199.95

Free Delivery

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CYBEX Cloud G R129 Infant Carrier Car Seat - Magic Black

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CYBEX Cloud G R129 Infant Carrier Car Seat - Magic Black

£210.00

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Maxi-Cosi Pearl R129 i-Size 360 ISOFIX Car Seat - Black

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Maxi-Cosi Pearl R129 i-Size 360 ISOFIX Car Seat - Black

£250.00

Free Delivery

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Maxi-Cosi Cabriofix R129 ISOFIX Car Seat Black With Base

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Maxi-Cosi Cabriofix R129 ISOFIX Car Seat Black With Base

£200.00

Free Delivery

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Maxi-Cosi Quartz 360 R129 ISOFIX Car Seat - Graphite

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Maxi-Cosi Quartz 360 R129 ISOFIX Car Seat - Graphite

Rating 3.7 out of 5, from 3 reviews

(3)

£250.00

Free Delivery

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Cuggl i-Size R129 Infant Carrier and Isofix Base

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Cuggl i-Size R129 Infant Carrier and Isofix Base

Rating 3.4 out of 5, from 23 reviews

(23)

£99.00

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Cosatto Get Set Grow Car Seat - Lollop

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Cosatto Get Set Grow Car Seat - Lollop

Save Over £49.00

£130.00

£179.95

Free Delivery

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Graco SnugGo i-Size R129 Car Seat - Midnight

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Graco SnugGo i-Size R129 Car Seat - Midnight

Lowest Price Ever

£120.00

Free Delivery

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Graco Turn2Me DLX i-Size R129 Car Seat - Midnight

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Graco Turn2Me DLX i-Size R129 Car Seat - Midnight

£190.00

Free Delivery

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*Argos Pay Representative Example

Representative 34.9% APR (variable), 34.95% PA purchase rate (variable), £1,200 assumed credit limit.

Subject to status. 18+. UK only. Terms apply. NewDay Ltd is the lender, Argos Limited is the broker.

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ISOFIX Base Included Car Seats ISOFIX Car Seats

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© Argos Limited 2026. All Rights Reserved.

*Argos Pay is provided by NewDay Ltd. UK residents aged 18 and over. Subject to status. Terms apply.

Argos Limited is a credit broker and not a lender, introducing Argos Pay under an exclusive arrangement with the lender NewDay Ltd.

Argos Limited is authorised and regulated by the Financial Conduct Authority (firm reference number: 713206), registered office: 33 Charterhouse Street, London, EC1M 6HA). NewDay Ltd is a company registered in England and Wales (company number: 7297722), registered office: 7 Handyside Street, London, N1C 4DA. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (firm reference number: 690292) and is also authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 (firm reference number: 555318) for the provision of payment services.

PayPal Pay in 3 is the trading name of PayPal UK LTD, 5 Fleet Place, London, United Kingdom, EC4M 7RD. Terms and conditions apply. Credit subject to status, UK residents only. Argos Limited acts as a broker and offers finance from a restricted range of finance providers. PayPal Pay in 3 is not regulated by the Financial Conduct Authority. Pay in 3 eligibility is subject to status and approval. 18+ UK residents only. Pay in 3 is an unregulated credit agreement. Check if affordable and how you will repay. May make other borrowing more difficult or expensive. See product terms for more details.

Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Cs and late fees apply.

Argos Care policies are provided by Domestic & General Insurance PLC, who are an insurer not an intermediary. They have not given you a personal recommendation as to whether this policy is suitable for your needs.

ISOFIX Bases | Argos