Silver Cross Simplifix Isofix Group 0+ Car Seat Base

Product information

Compatible with the Silver Cross Simplicity baby car seat, the Simplifix Isofix base allows you to easily and correctly fit the car seat. The simple one-click attachment allows you to connect the base to your car's Isofix system and clear indicators indicate correct fit.

With 4 individual sensors that show green when all 4 have been activated ensures that you correctly install the seat every time.The adjustable front leg feature with additional indicator allows you to see when the base has correct contact with the floor for added stabillity.


  • Under no circumstances should a car seat be used on a passenger seat where there is an airbag.
  • Correct fitting of all car seats and boosters is of paramount importance to make them most effective in the event of an accident. Not all car seats fit all cars and it is important to check for fitting suitability on all cars you intend fitting the seat to, as well as re-checking if you change your car.
  • Always read the instruction booklet which comes with your car seat to achieve a safe and correct fitting, retaining the guide for future reference. We recommend fitting your car seat in advance of first using it.
  • We recommend that babies shouldn`t be left in Group 0/0+ car seats for prolonged periods.



  • Please make sure that you check the car seat you choose is suitable for your car before ordering.
  • Some of our shops offer a car seat fit test, where a Nursery advisor will test the display model in your car to check that it will fit properly. Please contact your local shop to see if this service is available. Alternatively, please contact the car seat manufacturer who will be able to advise whether their model will be suitable for your car.
Baby & Toddler Safety Type
Travel Safety
Silver Cross
Care instructions
Wipe clean
H71 x W34 x D26.5cm
Facing position
Group band
Group 0+ car seat

Editor's Notes

Founded in 1877, Silver Cross is one of the oldest nursery brands in the world, famous for its collection of contemporary, stylish prams and pushchairs offering modern parents the best start in life for their babies. In addition to the latest travel systems including Surf and Wayfarer, Silver Cross is also famous for its handmade, classic prams. The iconic Balmoral is still made to the highest standards here in the UK. 
Offering infant car seats and lightweight strollers, Silver Cross provides families with the perfect system to suit their lifestyles. As well as baby travel, Silver Cross is also well known for its collections of high quality nursery furniture, nursery bedding, toys and gifts.


  • Click & collect

    Click & collect from John Lewis and Waitrose shops tomorrow from 2pm
    Find out more
  • UK delivery

    Standard delivery within 5 working days
    Named or Saturday UK delivery
    Named day UK delivery pre-10.30am
    Find out more
  • International delivery not available


We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.

Q & As

Rated 5 out of 5 by 4 reviewers.
Rated 5 out of 5 by Easy to fit item Came with good, clear instructions. Was easy to fit and essential piece of kit! 10 May 2016
Rated 5 out of 5 by Great product Ordered online, delivered to Waitrose store, picked up and fitted all within 24 hours! Makes securing the Silver Cross simplicity car seat so much easier-no fighting with car seat belt. Once all securely locked into place, coloured tabs change from red to green. Very happy! Cannot fault John Lewis service. Have used before several times and will use again. Order with confidence! 17 January 2016
Rated 5 out of 5 by So simple to use Great product from silver cross which once fitted makes getting the car seat in and out of the car with minimum stress so easy. Fast effective from John Lewis when using the click and collect service. 08 December 2015
Rated 5 out of 5 by A real time saver! Love this car base. The car seat simply clicks in within seconds, the green buttons then indicate a secure fit. Makes transferring the baby from car to pram, easy peasy. 17 November 2015
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