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Did Tesco Finest mini San Marzano tomatoes (UK) shrink?

Size FactsDid it shrink? Yes
Before270 g
After220 g
−18.5%smaller
Price per 100 g · observed+22.7%Shelf price £2.15 → £2.15, as recorded by the source.

Before you paid £0.80 per 100 g; after, £0.98 per 100 g: 22.7% more for the same amount.

How big a cut? The 35th-largest of 99 documented pasta, rice & meals cuts; a bigger cut than 71% of all 1,366 cases in the library. See the biggest cuts →

When
2026 · reported 26 May 2026
Country
United Kingdom
Brand
Tesco
Category
Pasta, Rice & Meals
Source
allsupers.co.uk

Source and evidence

Tesco Finest Mini San Marzano Tomatoes 220G: 270 g → 220 g — Shrinkflation | Allsupers | Allsupers allsupers.co.uk

Source fetched 2026-10-22. All 59 Allsupers cases.

Found by Allsupers' automated check of Tesco listings (record 1962): the old listing disappeared and a smaller pack of the same product appeared (first detected 2026-05-26); regular price £2.15 before, £2.15 after.

Evidence
Typeautomated supermarket price tracker (Allsupers register; retailer listings, regular prices recorded)
Confidencemedium
Size cut alone, at the old price+22.7%

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

Against official inflation: ONS CPI (UK) “pasta products and couscous” changed +4.1% (12 months to May 2026, a broad match for this category). This pack’s price per gram changed +22.7%, 18.6 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

“Before: Tesco Finest Mini San Marzano Tomatoes 270G (Tesco), size 270 g, regular price £2.15, price per unit £7.96/kg. Now: Tesco Finest Mini San Marzano Tomatoes 220G (Tesco), size 220 g, regular price £2.15, price per unit £9.77/kg. First detected: 26 May 2026. New pack since 25 May 2026.”

Store brand: this is a Tesco own-label product. See all Tesco store-brand cases or store-brand shrinkflation across retailers.

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

Topic guide: ready meal, pizza and pasta shrinkflation, every documented case in one place, brand by brand.

More from Tesco

All 8 Tesco cases →

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All 17 in the case library →

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Ready meal, pizza and pasta shrinkflation →

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Cite this case

ShrinkRadar, “Did Tesco Finest mini San Marzano tomatoes (UK) shrink? 270 g → 220 g”, https://shrinkradar.com/cases/tesco-finest-mini-san-marzano-tomatoes-uk-uk-2026.html, accessed 2026-11-05. Original source: Tesco Finest Mini San Marzano Tomatoes 220G: 270 g → 220 g — Shrinkflation | Allsupers | Allsupers (https://allsupers.co.uk/research/shrinkflation/ean_swap/1962).

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