Weekly bulletin, 21 to 27 September 2026. Published Monday 28 September 2026.
Petrol prices in Sunbury-on-thames: up 1.0p this week to 173.4p
Between Monday 21 September 2026 and Sunday 27 September 2026, the average price of unleaded across 2 filling stations in Sunbury-on-thames rose 1.0p to 173.4p a litre, while diesel rose 2.7p to 196.9p.
Cheapest and most expensive
On Sunday 27 September 2026, prices updated within 30 days, judged against their neighbours.
The last 30 days
Daily averages, in pence per litre. Right-click the image to save it; it is free to publish with a link.
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3 of the 3 stations seen during the week changed at least one price.
The cheapest unleaded in Sunbury-on-thames on Sunday 27 September 2026 was 167.9p at Costco Wholesale Sunbury, Sunbury-on-thames (TW16 5LN), members only; the most expensive was 178.9p at Kempton Park Sf Connect, Sunbury on Thames (TW16 5AW), a gap of 11.0p, or £5.50 on a 50-litre tank.
The cheapest diesel was 191.9p at Costco Wholesale Sunbury, Sunbury-on-thames (TW16 5LN), members only.
Across the UK, unleaded was up 1.7p over the same week, at 173.7p, which puts Sunbury-on-thames 0.3p below the national average.
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Petrol prices in Sunbury-on-thames: up 1.0p this week to 173.4p Between Monday 21 September 2026 and Sunday 27 September 2026, the average price of unleaded across 2 filling stations in Sunbury-on-thames rose 1.0p to 173.4p a litre, while diesel rose 2.7p to 196.9p. 3 of the 3 stations seen during the week changed at least one price. The cheapest unleaded in Sunbury-on-thames on Sunday 27 September 2026 was 167.9p at Costco Wholesale Sunbury, Sunbury-on-thames (TW16 5LN), members only; the most expensive was 178.9p at Kempton Park Sf Connect, Sunbury on Thames (TW16 5AW), a gap of 11.0p, or £5.50 on a 50-litre tank. The cheapest diesel was 191.9p at Costco Wholesale Sunbury, Sunbury-on-thames (TW16 5LN), members only. Across the UK, unleaded was up 1.7p over the same week, at 173.7p, which puts Sunbury-on-thames 0.3p below the national average. Source: fuelpricetoday.co.uk, weekly bulletin for Sunbury-on-thames, 21 to 27 September 2026. https://fuelpricetoday.co.uk/press/2026-W39/town-sunbury-on-thames Prices are pence per litre, computed from the government's Fuel Finder open data. Free to use with a link to the source.
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Name, brand, postcode, coordinates, unleaded and diesel on 21 Sep and 27 Sep.
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Free to use, quote and publish, including the chart and the data, with a link to https://fuelpricetoday.co.uk/press/2026-W39/town-sunbury-on-thames or a credit to fuelpricetoday.co.uk. Prices are computed from the Fuel Finder open data published by the Department for Energy Security and Net Zero under the Open Government Licence v3.0. Questions, a figure for another area, or a quote: contact@fuelpricetoday.co.uk.
How the figures are computed
Each average is the mean of the prices changed in the last 7 days at the filling stations of Sunbury-on-thames, motorway services left out and prices more than 25p from the day's median discarded. The cheapest and most expensive stations are judged against the stations within 10 km, so that a typing error cannot top the list. The week runs from Monday to Sunday. Details on how this site works.