Sainsbury's Roast Potatoes — 900g
As of 8 Oct 2026, Sainsbury's Roast Potatoes 900g is cheapest at Sainsbury's at £1.55 (£1.72/1 kg) in United Kingdom.
Prices updated 8 Oct 2026
Lowest recorded price: £1.50 at Sainsbury's (15 Jul); highest: £2.30 — currently £1.55 at Sainsbury's. Tracked since Jul 2026.
Showing prices and history for this variant plus 1 sibling variation — the same product and flavour across pack sizes, with unit prices keeping different sizes comparable. Lowest and highest values match the extension's price-history panel.
Price History
Price over timeLoading price history…
Price
| Retailer | Brand | Size | Price | Unit Price | In Stock | Updated |
|---|---|---|---|---|---|---|
 Sainsbury's | Sainsbury's | 900g | £1.55 | £0.17/100gBest | In stock | 8 Oct |
| Sainsbury's | Sainsbury's | 400g | £2.30 | £0.58/100g | In stock | 8 Oct |
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Sainsbury'sUpdating prices — showing the previous selection until the new prices arrive.
Prices shown are indicative and may vary by store location. Confirm pricing at checkout.
Frequently asked questions
- Where is Sainsbury's Roast Potatoes 900g cheapest?
- Sainsbury's has the lowest price at £1.55 (£1.72/1 kg).
- What is the unit price of Sainsbury's Roast Potatoes 900g?
- Priced per 100g. Sainsbury's offers the best value at £0.17/100g.
- What is the lowest price ever for Sainsbury's Roast Potatoes 900g?
- The lowest price CartSorted has recorded for Sainsbury's Roast Potatoes 900g is £1.50 at Sainsbury's (15 Jul), since we began tracking in Jul 2026. The current cheapest price is £1.55 at Sainsbury's.