Sturdy and safe
ISOFIX compatible - easy set-up and handling
Comfortable and cosy
Premium price tag
Reviewer Photos & Videos
Love this car seat!!
Car seat is awesome! We upgraded to this from a Capsule when our daughter turned 1. She looks so comfortable and love the isofix feature, makes it so much easier to install. Very sturdy and a lot of padding.
Purchased in July 2020 at Baby Bunting Physical store for $465.00.
Great sturdy car seat
We got this car seat from day 1 and now baby is turning 1. Feels very sturdy and well designed. Got the grey colour and its also easy to clean. Recommend it to anyone after baby car seat.
Purchased in July 2019.
Could not fault!
This seat has everything needed including isofix and doesn’t take up to much space in the car. Reclines suitable for newborn (reward facing) and super cosy. Overall very happy with my purchase.
Purchased in April 2020 at Baby Bunting Physical store for $499.00.
- 11 reviews
great comfy seat
So far very happy with the seat. We bought it to replace the capsule at 6 months, and our daughter seems to like it very much. Soft fabric, very easy to install and move from side to side, looks solid yet soft and comfy. The only negative is perhaps that the buckle seems to see way to low so that the belts are pushing into the thighs but our bub doesn't complain. Very good overall!
Purchased in November 2019.
The reviewer stated that an incentive was offered for this review
Very safe, very happy with model and brand
After being in a head on collision, my 2year old safley seated in britax millienia came out the accident unharmed ( apart from minor whiplash ) i am so thankful we chose this model and brand, britex also replaced the car seat with no charge in their crash exchange program. I would highly recommend this comapany, make and model.
Purchased in January 2018.
Review collected in partnership with Britax Safe-n-Sound
Best car seat!
We purchased this car seat for our first baby and so far so great! It meets all the australian standards in safety, we use it since he was born so little, the pads on it make it fit perfectly, we removed them as he was growing and there are red lines on the back that tells you when to stretch the back to fit the seat belt perfectly, so comfy and has pockets for a drink bottle and snacks, we love Britax!
Purchased in June 2017 at Country Kids for $435.00.
Great secure car seat, easy to use, comfortable and extended rear facing. I love this car seat. Have used it for both my girls and it is still going strong. Excellent investment for long term.
Purchased in December 2015 at Baby Bunting Physical store for $489.00.
We have just upgraded to this seat for our 8-month-old. It is so comfortable and lush compared to the previous two we have had. Everything is easy to use and I feel confident in having a highly safety rated seat for my child. We haven't had it long but it is already living up to the Britax reputation.
Purchased in March 2020 at Baby Bunting Physical store for $499.00.
Great car seat but it is big.
Great car seat, soft and comfy for bubs. It is a big seat and didn’t fit in out RAV4 and just fits in our Elantra, until bubs gets taller. Love how easy it is to change strap positions. Easy to install, easy to wash fabrics and they are quick to dry. Extended rear facing is awesome. All up great seat if it fits in your car.
Purchased in July 2019.
Comfortable and safe!
Secure, spacious, safe, comfortable. Both my kids loved this car seat. Worth spending a bit more on this well designed car seat. The purchase was was easy as there was helpful and knowledgeable staff.
Purchased in August 2016 at Baby Bunting Physical store for $380.00.
I love my Millenia, my girl looks so happy and comfy in it. The only negative is the size, it is behind the passenger so the front doesn't have much room at all, but too annoying for everyday use in the middle.
Purchased in January 2019 at Baby Bunting.
I love this car seat
Not only does the Millenia look nice but its also looks very comfortable for my baby to sit in. It feels sturdy and well made. I had it professionally installed originally but when we turned the seat to forward facing my husband did it. It was easy for him to do. I love this car seat and would highly recommend.
Purchased in December 2018 at Baby Bunting Online store for $449.00.
Really happy with this car seat
We're really happy with the Britax safe-n-sound Millenia. We looked at a few and chose to go with this as it has great padding and head support. I feel my baby is very safe in this car seat. It's easy to adjust and fits perfectly in my Mazda 3.
Purchased in October 2018 at Baby Bunting for $479.00.
The reviewer stated that an incentive was offered for this review
I chose this carseat after researching into the extended rear facing convertible carseats available in Australia. I instantly fell in love with it when it arrived. I set it up white following a tutorial video on YouTube and there are a few distinct features that I love about it:
- the seatbelt tightness locks on either side of the seatbelt path to maintain a tight install
- the stabilisation bar
- the teeth that hold the restraint out of the way while you place your baby/child into the carseat
- the headrest adjuster
- the harness adjuster
- ...the ease of both installing and uninstalling the carseat And I just honestly love my choice of carseat. It looks and feels of high quality and durability. I'm definitely going to stay with Britax as my choice of child carseat restraints.
Purchased in April 2019 at Baby Bunting Online store for $489.00.
Great baby seat
Love this baby seat, very easy to use but it's probably a little too big for the mazda 3, it makes the front seat a little squished but still usable
Questions & Answers
I’ve heard that isofix installation shouldn’t be used once the combined weight of the child + seat reaches a certain point. Is that accurate for Millenia (and/or the Graphene, we have one of each)? If so, what’s the weight limit? Thanks.
Hi Charlene, thanks for your question. The Australian Standard (AS/NZS 1754:2013std) limits the use of ISOFIX anchorages rearward and forward facing seats (Type A and Type B) from Birth up to approximately 4 years. This is because the car's anchorages may not be suitable for heavier children in larger restraints beyond Type B, e.g. Type E (boosters) or Type G (up to 8 years). Although Type B (forward facing 6month – 4 years) seats are designed to accommodate children up to approximately 4 years of age, the height marker on the seat will dictate when the child has outgrown it. The AS/NZS 1754:2013std does not reference child weight as a guide to transitioning children to the next seat.
If your child is over 4 years of age and their shoulders are still within the height marker guidelines, your child can safely continue to be seated in the 0-4 (Type AB) child car seat. Kind regards, the Britax team.
Thanks for your response. My question wasn’t about transitioning to the next seat though, it was about use of isofix vs seatbelt installation as I heard that isofix installation shouldn’t be used when combined weight of the seat and child is greater than 18kg (for some car seats) and I want to know if this applies to the Millenia. It sounds like it doesn’t but can you confirm? I’m concerned as my child is currently 17kg and her seat is installed using isofix (note, she is is under 4 years of age and within the height marker guidelines). Thanks.
Thanks for your reply Charlene, both the Britax Safe-n-Sound Millenia and Britax Safe-n-Sound Graphene can continue to use the ISOFIX connections as long as your child reaches under the top shoulder height marker, there are no weight limits, We hope this helps. Kind regards, the Britax team,
Why is Millenia being discontinued?
Hi Pia, the Millenia has been retired as we have introduced our newest member to the Britax family the b-First iFix which provides all our newest technology - https://www.britax.com.au/car-seats/britax-safe-n-sound-b-first-ifix/ kind regards, the Britax team.
That does not answer the question at all. Please answer the question about why it is being discontinued.
Is this seat suitable for small car, mine is Toyata yaris 2010 ( sedan model). Thanks
Hi Amber D. Thanks for your question. Unfortaunrly we cannot give guarantees that certain configurations will work in particular cars. We do recommend a resource called www.babydrive.com.au where they trial (most, not all) cars with different configurations using our products to help consumers with fitment. We also suggest visiting a store and asking if you can try the seats in the back before you purchase. Kind regards, the Britax Childcare team.
Get an answer from our members and Britax Safe-n-Sound representatives
This convertible baby car seat can be used for newborns right up until they are 4 years old. The convertible feature allows them to stay rear-facing for longer until they are 2-3, which is safer than forward-facing for young children.
Contains advanced safety features and Side Impact Cushion Technology™ (SICT™) to ensure maximum safety for your child along with an active head restraint (AHR™) to protect the most vulnerable parts in the event of a crash.
ISOFIX compatible - ISOFLEX™ connectors make for an easy and effortless installation and uninstallation process.
Easy handling and adjustments - Britax have taken the hassle out of baby car seats by offering easy to remove and adjust harnesses and headrests which allow the seat to grow alongside your developing baby.
Comfort is a main priority - this baby seat offers 4 reclining positions when in the front-facing position and uses soft Thermo5® fabric which helps regulate temperature.
Contains additional features such as shoulder pads, extra storage and holders for toys & drinks.
Reviewers particularly liked:
With an overwhelming amount of positive 5 star and 4 star reviews, it's safe to say that the public love and trust the durable Britax brand. The Safe-n-Sound Millenia is a very popular choice among parents for newborns and very young children due to its sturdy and well-designed build.
Parents agree that the product appears very safe and some have confirmed that it provides excellent protection in the event of a crash.
Reviewers loved the hassle-free nature of this product which is ISOFIX compatible - in particular, the simple installation process shown through a physical manual and an easy-to-follow YouTube video. In addition, it's very easy to clean and maintain.
The product has been hailed for its comfortable and soft feel, which is important for the wellbeing of your toddler who may spend a lot of time in the seat.
- The car seat may take up a lot of space, in the event that you own a small vehicle, this may not be suitable for you.
- Has a premium price tag to suit its premium features.
|Category||Baby Car Seats|
|Maximum Age||4 years|
|Dimensions||Rear Facing: 600-700 x 385-500 x 600, Forward Facing: 640-810 x 385-500 x 600 mm|
|Manufacturer Warranty||5 year(s)|
|Colour / Finish||Pebble Grey, Midnight Navy, Silhouette|
- GTIN13: 9311742036204
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