Live · Unleaded · inc VAT
Sainsbury's Sainsburys Dome Roundabout, COW LANE
COW LANE, WATFORD, WD25 9JS · price last changed 5d ago
Today's prices at the pump
Unleaded150.9p-7.9p vs UK average
Diesel168.9p-8.3p vs UK average
Super Unleaded162.9p-13.8p vs UK average
Premium Diesel-
Forecourt details
Opening hours: Open 24 hours
Amenities:
AdBlue (packaged)Air & screenwash24-hour fuel
Location:
Price history at this forecourt
Last 90 days · 7 Jul – 29 Jul
low 145.9pHover the chart for any day's pricehigh 150.9p
Today's price is the highest of the last 23 recorded days.
What you actually pay here
Where this forecourt's Unleaded price goes, litre by litre.
150.9p / litre at this forecourt · 52% is tax
Hover a band for what it costs per litre.
Crude oilliveBrent crude · as of 2026-07-2941.24p
Refining & deliveryestimateshare of the residual14.20p
Retailer marginestimateshare of the residual17.36p
Fuel dutyexactstatutory rate52.95p
VAT (20%)exactstatutory rate25.15p
Fuel duty (52.95p flat, gov.uk hydrocarbon-oils rate) and VAT (20%) are exact statutory amounts. Crude oil is the live Brent price converted to pence per litre (brent crude · as of 2026-07-29, ECB exchange rate). Refining & delivery and retailer margin are the residual, split on the pattern in public breakdowns (DESNZ weekly road fuel prices; RAC Foundation) - estimates, not measured figures.
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About fuel prices at Sainsbury's Sainsburys Dome Roundabout, COW LANE
Prices on this page come from the UK Government's statutory Fuel Finder open-data scheme, which requires forecourts to publish their pump prices. We refresh them daily and compare each grade against the national average, so you can see at a glance whether Sainsbury's Sainsburys Dome Roundabout, COW LANE is a cheap place to fill up near WD25 9JS.
Always check the price on the totem before you fill up - retailers can reprice at any time. For live prices at every forecourt around you, route planning and price-drop alerts, open the Fuel Checker map.