Petrol prices in BT21
Every forecourt in the BT21, Northern Ireland postcode district, cheapest first, with live prices from the government Fuel Finder feed — covering Ards and North Down, Northern Ireland.
BT21 has only 2 forecourts, so there is no comparison to make within the district itself. The BT area page covers the surrounding districts, which is where a cheaper option would be.
Petrol stations in BT21 (2)
Cheapest first. Prices update through the day.
Texaco, DonaghadeeCheapestDonaghadee£1.66E10£1.86B7Maxol, DONAGHADEEDONAGHADEE£1.66E10£1.86B7Is anywhere nearby cheaper?
Neighbouring districts, with the fuel the drive itself burns already subtracted — a 45 mpg car, there and back.
BT19Northern Ireland9.3 km away · 11.6 mile round trip · 6 forecourts£1.55saves 7.7p a litreBT20Northern Ireland7.9 km away · 9.8 mile round trip · 7 forecourts£1.56saves 7.4p a litreBT23Northern Ireland14.2 km away · 17.6 mile round trip · 17 forecourts£1.55saves 6.0p a litreThe saving shown is what is left after the detour: the pump price plus the extra fuel burned getting there and back, spread across a 55-litre fill. A forecourt that is 4p cheaper eight miles away is not 4p cheaper. The arithmetic is here.
Nearby postcode districts
Closest first, with today’s typical price.
About fuel prices in BT21
BT21 is part of the BT postcode area, which covers Northern Ireland, and its forecourts sit mainly in Ards and North Down in Northern Ireland. We track 2 forecourts here across 2 brands, of which 2 are supermarkets.
Supermarket forecourts usually anchor local pricing: where one exists, the independents nearby tend to price close to it, and where none does, prices drift upward. BT21 has 2, which is why the local spread is 0.0p. Across Northern Ireland as a whole the median is £1.65 — see the whole region.
Every price here comes from the government Fuel Finder scheme, which since February 2026 has required each forecourt to report a change within thirty minutes. For the forecourts nearest a specific address rather than a whole district, search your full postcode.
Common questions about BT21
How much is petrol in BT21 today?
The typical BT21 forecourt is charging £1.66 a litre for E10 petrol — £91.25 for a 55-litre tank. The cheapest of the 2 forecourts reporting a price in BT21 is at £1.66, and the dearest £1.66.
Where is the cheapest petrol in BT21?
Texaco, Donaghadee in Donaghadee at £1.66 a litre. Prices change through the day, so check before you set off.
Is BT21 cheaper or dearer than the rest of the UK?
BT21 runs 4.0p below the UK median of £1.70, and sits in Northern Ireland, where the regional median is £1.65. Local competition drives most of that: districts with two or more supermarket forecourts close together price lower than districts where the nearest alternative is a drive away.
Is it worth driving to a cheaper postcode from BT21?
Right now, yes — BT19 has fuel at £1.55, and even after the 18.6 km round trip burns its own fuel, you are about 7.7p a litre better off. That is roughly £4.24 on a tank. Anything closer than that is not worth a special journey, though it may be worth routing past.
How many petrol stations are there in BT21?
2 forecourts, from 2 different brands, including 2 supermarket forecourts. Every one reports its prices to the government Fuel Finder scheme within thirty minutes of a change.