# Britax Kidfix Isize R129 Booster Car Seat - Black

> Price comparison in United Kingdom (GBP). Lowest price right now: **£149.00** at Natural Baby Shower Ltd, in stock. 2 offers from 2 shops, prices from £149.00 to £199.00. Checked 2026-10-14T02:40:57Z.

## Product
- Brand: Britax
- Category: [Baby & kids](https://pricuro.com/uk/baby-kids.md) > [Car seats](https://pricuro.com/uk/baby-kids/car-seats.md)
- EAN/GTIN: 4000984312089
- Page: https://pricuro.com/uk/p/britax-kidfix-isize-r129-booster-car-seat-black-3685523
- Image: https://pricuro.com/img/3685523/800/britax-kidfix-isize-r129-booster-car-seat-black.webp

## Offers (2, sorted by total price incl. delivery; used/refurbished last)

| # | Shop | Price | Delivery | Total | Availability | Condition | Buy |
|---|---|---|---|---|---|---|---|
| 1 | Natural Baby Shower Ltd | £149.00 | see shop | – | in stock | new | https://pricuro.com/go/49259070 |
| 2 | argos.co.uk | £199.00 | free | £199.00 | in stock | new | https://pricuro.com/go/4352105 |

## Price history (lowest price per day in United Kingdom, tracked since 2026-10-03, 12 days)

- Lowest price today: £149.00
- Last 30 days: lowest £149.00, highest £199.00, average £165.67
- All-time low on Pricuro: £149.00 (2026-10-07)
- Note: the history is still short, so it does not yet show whether today's price is a good one.

| Date | Lowest price |
|---|---|
| 2026-10-03 | £199.00 |
| 2026-10-04 | £199.00 |
| 2026-10-05 | £199.00 |
| 2026-10-06 | £199.00 |
| 2026-10-07 | £149.00 |
| 2026-10-08 | £149.00 |
| 2026-10-09 | £149.00 |
| 2026-10-10 | £149.00 |
| 2026-10-11 | £149.00 |
| 2026-10-12 | £149.00 |
| 2026-10-13 | £149.00 |
| 2026-10-14 | £149.00 |

## Specifications


Description (from a shop): Getting them safely to nursery, playdates and family trips becomes simpler. This Britax Kidfix booster seat helps keep children secure from around 4 to 12 years. ISOFIX installation means secure, click-in fitting every time. The integrated SecureGuard adds a 4th point to the 3-point seatbelt. It helps protect little tummies during travel whilst allowing comfortable movement. Air ventilation helps keep them cool on longer journeys. The adjustable headrest grows with your child, giving years of use. Built-in side impact protection helps shield them during travel. It works with ISOFIX, top tether and the 3-point seatbelt in compatible cars. Suitable for children 100cm to 150cm tall, approximate…

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