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Petrol Prices in Welwyn Garden City
Average today: unleaded 165.2p · diesel 185.9p ·
UK average 161.4p / 182.6p
Checked 23 August 2026 · retailer-reported prices, changes filed within 30 minutes
Welwyn Garden City trend: Unleaded ▼ 1.0p · 7d · Diesel ▲ 0.3p · 7d
The cheapest unleaded in Welwyn Garden City today is 161.9p
at Morrisons, Black Fan Road. Filling a 55-litre tank at the cheapest station instead of the priciest saves about £4.40.
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