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Did McVitie's Hobnobs milk chocolate twin pack (UK) shrink?

Size FactsDid it shrink? Yes
Before636 g
After524 g
−17.6%smaller
Price per 100 g · observed+6.2%Shelf price £4.00 → £3.50, as recorded by the source.

Before you paid £0.63 per 100 g; after, £0.67 per 100 g: 6.2% more for the same amount.

How big a cut? The 21st-largest of 56 documented cookies & crackers cuts; a bigger cut than 70% of all 1,366 cases in the library. See the biggest cuts →

When
2026 · reported 19 Aug 2026
Country
United Kingdom
Brand
McVitie's
Category
Cookies & Crackers
Source
allsupers.co.uk

Source and evidence

McVitie's Hobnobs 2 x 262g Milk Chocolate Twin Pack Biscuits: 636 g → 524 g — Shrinkflation | Allsupers | Allsupers allsupers.co.uk

Source fetched 2026-10-24. All 59 Allsupers cases.

Found by Allsupers' automated check of Sainsbury's listings (record 17617): the old listing disappeared and a smaller pack of the same product appeared (first detected 2026-08-19); regular price £4.00 before, £3.50 after. 2 × 318 g became 2 × 262 g; about 6% more per gram.

Evidence
Typeautomated supermarket price tracker (Allsupers register; retailer listings, regular prices recorded)
Confidencemedium
Size cut alone, at the old price+21.4%

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

Against official inflation: ONS CPI (UK) “other bakery products” changed +0.2% (12 months to Aug 2026). This pack’s price per gram changed +6.2%, 6.0 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

“…(loyalty card) -15.0% (Nectar Price, until 3 November 2026) +6.2% price per unit with Nectar price (loyalty card) -15.0% Nectar Price, until 3 November 2026 Before McVitie's Hobnobs Milk Chocolate Biscuits Twin Pack 2x318g Sainsbury's Size 636 g Regular price £4.00 Price per unit £6.29 /kg View at the shop › Now McVitie's Hobnobs 2 x 262g Milk Chocolate Twin Pack Biscuits Sainsbury'”

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

Topic guide: cookie, biscuit and cracker shrinkflation, every documented case in one place, brand by brand.

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All 10 McVitie's cases →

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Cite this case

ShrinkRadar, “Did McVitie's Hobnobs milk chocolate twin pack (UK) shrink? 636 g → 524 g”, https://shrinkradar.com/cases/mcvitie-s-hobnobs-milk-chocolate-twin-pack-uk-uk-2026.html, accessed 2026-11-05. Original source: McVitie's Hobnobs 2 x 262g Milk Chocolate Twin Pack Biscuits: 636 g → 524 g — Shrinkflation | Allsupers | Allsupers (https://allsupers.co.uk/research/shrinkflation/ean_swap/17617).

You may quote and cite this case with credit. No bulk reuse or republishing of the dataset without permission: licence and how to cite.