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Did Cadbury Oreo Bites chocolate bag shrink?

Size FactsDid it shrink? Yes
Before110 g
After100 g
−9.1%smaller
Price per 100 g · observed+10.0%Shelf price £1.75 → £1.75, as recorded by the source.

Before you paid £1.59 per 100 g; after, £1.75 per 100 g: 10.0% more for the same amount.

How big a cut? The joint 141st-largest of 189 documented chocolate & candy cuts (tied with 9 others); a bigger cut than 26% of all 1,366 cases in the library. See the biggest cuts →

When
2025 · reported 25 Feb 2025
Country
United Kingdom
Brand
Cadbury
Category
Chocolate & Candy
Source
thegrocer.co.uk

Source and evidence

The Grocer — Cadbury and Mars Wrigley shrink chocolate packs amid cocoa inflation (25 Feb 2025) thegrocer.co.uk

Source fetched 2026-10-20. All 33 The Grocer cases.

Same £1.75 shelf price at Tesco, a 10.1% rise per gram.

Evidence
Typetrade press (Assosia data, 12 w/e 24 Feb 2025; Mondelez and Mars Wrigley confirmed the cuts)
Confidencehigh
Size cut alone, at the old price+10.0%

Check the math in the calculator or compare old and new unit prices.

Against official inflation: ONS CPI (UK) “sugar, jam, honey, syrups, chocolate and confectionery” changed +9.5% (12 months to Feb 2025). This pack’s price per gram changed +10.0%, 0.5 percentage points above the official rate, using the shelf prices the source recorded. Every case is compared the same way in the ShrinkRadar Index.

What the source says

“…Despite this, shelf prices have remained the same or risen in some cases, according to The Grocer’s analysis of Assosia data [12 w/e 24 February 2025]. Cadbury Oreo Bites Chocolate Bag 110g, for instance, has been replaced by a 100g version in Tesco , with the shelf price sticking at £1.75.”

More from the UK: the UK Shrinkflation Tracker has all 175 documented cases, sortable and filterable.

Topic guide: chocolate shrinkflation, every documented case in one place, brand by brand.

More from Cadbury

All 32 Cadbury cases →

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All 55 in the case library →

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Chocolate shrinkflation →

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Cite this case

ShrinkRadar, “Did Cadbury Oreo Bites chocolate bag shrink? 110 g → 100 g”, https://shrinkradar.com/cases/cadbury-oreo-bites-chocolate-bag-uk-2025.html, accessed 2026-11-05. Original source: The Grocer — Cadbury and Mars Wrigley shrink chocolate packs amid cocoa inflation (25 Feb 2025) (https://www.thegrocer.co.uk/news/cadbury-and-mars-wrigley-shrink-chocolate-packs-amid-cocoa-inflation/701463.article).

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