Petrol prices in N12
Every forecourt in the N12, North London postcode district, cheapest first, with live prices from the government Fuel Finder feed — covering Barnet, London.
N12 has only 2 forecourts, so there is no comparison to make within the district itself. The N area page covers the surrounding districts, which is where a cheaper option would be.
Petrol stations in N12 (2)
Cheapest first. Prices update through the day.
TESCO, LONDONCheapestLONDON£1.70E10£1.93B7BP, NORTH FINCHLEYNORTH FINCHLEY£1.73E10£1.96B73.0p separates the cheapest and dearest forecourt inside N12 alone — £1.65 on a tank, without leaving the district. That is usually a bigger saving than any amount of waiting for prices to move.
Is anywhere nearby cheaper?
Neighbouring districts, with the fuel the drive itself burns already subtracted — a 45 mpg car, there and back.
Not today. Of the 8 nearest districts, none is cheap enough to cover the fuel the drive itself would burn — the £1.70already available inside N12 wins. That is the common case, and it is why chasing a cheaper sign a few miles away usually costs more than it saves — the break-even calculation shows where the line falls.
Nearby postcode districts
Closest first, with today’s typical price.
About fuel prices in N12
N12 is part of the N postcode area, which covers North London, and its forecourts sit mainly in Barnet in London. We track 2 forecourts here across 2 brands, of which 1 is a supermarket.
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. N12 has 1, which is why the local spread is 3.0p. Across London as a whole the median is £1.72 — 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 N12
How much is petrol in N12 today?
The typical N12 forecourt is charging £1.71 a litre for E10 petrol — £94.27 for a 55-litre tank. The cheapest of the 2 forecourts reporting a price in N12 is at £1.70, and the dearest £1.73.
Where is the cheapest petrol in N12?
TESCO, LONDON in LONDON at £1.70 a litre. That is 3.0p below the dearest forecourt in N12. Prices change through the day, so check before you set off.
Is N12 cheaper or dearer than the rest of the UK?
N12 runs 0.5p above the UK median of £1.71, and sits in London, where the regional median is £1.72. 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 N12?
Not on today's prices. No neighbouring district is cheap enough to cover the fuel the detour itself would burn, so the best price available to you is inside N12.
How many petrol stations are there in N12?
2 forecourts, from 2 different brands, including 1 supermarket forecourt. Every one reports its prices to the government Fuel Finder scheme within thirty minutes of a change.