Weekly bulletin, 7 to 13 September 2026. Published Monday 14 September 2026.
Petrol prices in Southsea: up 2.3p this week to 170.6p
Between Monday 7 September 2026 and Sunday 13 September 2026, the average price of unleaded across 3 filling stations in Southsea rose 2.3p to 170.6p a litre, while diesel rose 3.0p to 193.6p.
Cheapest and most expensive
On Sunday 13 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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2 of the 3 stations seen during the week changed at least one price.
The cheapest unleaded in Southsea on Sunday 13 September 2026 was 169.9p at Rontec Milton Road, Southsea (PO4 8PN); the most expensive was 171.9p at Shell Fratton, Southsea (PO4 8BH), a gap of 2.0p, or £1.00 on a 50-litre tank.
The cheapest diesel was 191.9p at Green Road Service Station, Southsea (PO5 4DY).
Across the UK, unleaded was up 3.5p over the same week, at 169.3p, which puts Southsea 1.3p above the national average.
"Drivers in Southsea paid 2.3p more for a litre of unleaded this week. On a 50-litre tank, that is £1.15 more than a week earlier. The gap between the cheapest and the dearest forecourt in Southsea is 2.0p, so where you fill up still matters more than when." said Jacky A., editor of fuelpricetoday.co.uk.
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Petrol prices in Southsea: up 2.3p this week to 170.6p Between Monday 7 September 2026 and Sunday 13 September 2026, the average price of unleaded across 3 filling stations in Southsea rose 2.3p to 170.6p a litre, while diesel rose 3.0p to 193.6p. 2 of the 3 stations seen during the week changed at least one price. The cheapest unleaded in Southsea on Sunday 13 September 2026 was 169.9p at Rontec Milton Road, Southsea (PO4 8PN); the most expensive was 171.9p at Shell Fratton, Southsea (PO4 8BH), a gap of 2.0p, or £1.00 on a 50-litre tank. The cheapest diesel was 191.9p at Green Road Service Station, Southsea (PO5 4DY). Across the UK, unleaded was up 3.5p over the same week, at 169.3p, which puts Southsea 1.3p above the national average. "Drivers in Southsea paid 2.3p more for a litre of unleaded this week. On a 50-litre tank, that is £1.15 more than a week earlier. The gap between the cheapest and the dearest forecourt in Southsea is 2.0p, so where you fill up still matters more than when." said Jacky A., editor of fuelpricetoday.co.uk. Source: fuelpricetoday.co.uk, weekly bulletin for Southsea, 7 to 13 September 2026. https://fuelpricetoday.co.uk/press/2026-W37/town-southsea 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 7 Sep and 13 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-W37/town-southsea 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 Southsea, 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.