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Cheapest Petrol & Diesel in Merton Today

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Last updated: · Prices refresh every 30 minutes from the UK government's Fuel Finder service.

Cheapest Petrol in Merton

148.9p per litre at Tesco, West Barnes Merton
Area average: 152.5p — save up to 3.6p/litre

Cheapest Diesel in Merton

161.9p per litre at Tesco, West Barnes Merton
Area average: 167.1p — save up to 5.2p/litre
Browse by brand: EssoShellBPSainsbury'sTesco

Worth the Drive?

Petrol averages 1.6p less in Colliers Wood (150.9p vs 152.5p here). The round trip is about 1 miles each way, costing roughly £0.46 in fuel at 35 mpg. A 60‑litre fill would save £0.98 — a net saving of £0.52 after the return journey.

Diesel averages 3.7p less in West Barnes (163.4p vs 167.1p here). The round trip is about 2 miles each way, costing roughly £0.75 in fuel at 50 mpg. A 60‑litre fill would save £2.21 — a net saving of £1.46 after the return journey.

There are 11 fuel stations in Merton reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 152.5p per litre across 11 stations. Diesel (B7) averages 167.1p across 11 stations. Unleaded is 0.7p below the national average of 153.2p.

Use our fuel station finder to find the most economical place to fill up near you, or calculate the fuel cost of a longer trip from Merton.

Fuel Stations in Merton

Station Postcode E10 E5 B7 SDV
BP, Cannon Hill Merton SW20 8LR 154.9p 175.9p 168.9p 189.9p
Esso, West Barnes Merton KT3 6HF 151.9p 175.9p 164.9p 189.9p
Esso, Longthornton Merton SW16 5JF 149.9p 175.9p 167.9p 189.9p
Esso, London Merton SW19 1EQ 151.9p 166.9p 165.9p 179.9p Cheapest
Esso, Colliers Wood Merton SW19 2BN 151.9p 166.9p 165.9p 179.9p
Sainsbury's, Colliers Wood Merton SW19 1DD Super-market 149.9p 161.9p 162.9p
Shell, Cannon Hill Merton SM4 4AW 155.9p 184.9p 170.9p 199.9p
Shell, Wandle Merton SW17 0BW 153.9p 174.9p 171.9p 199.9p
Shell, Lavender Fields Merton SW19 2QD 153.9p 174.9p 166.9p 189.9p
Shell, Raynes Park Merton SW20 8RE 154.9p 179.9p 169.9p 194.9p
Tesco, West Barnes Merton KT3 4PJ Super-market 148.9p Cheapest 158.9p Cheapest 161.9p Cheapest

Station Map

Average Petrol and Diesel Prices in Merton (pence per litre)

Unleaded (E10)
152.5p
11 stations
±2.2p std dev
0.7p below national
Super Unleaded (E5)
172.4p
11 stations
±7.5p std dev
+0.9p vs national
Diesel (B7)
167.1p
11 stations
±3.0p std dev
4.0p below national
Premium Diesel
190.5p
9 stations
±6.8p std dev
1.3p below national

30-Day Price Trend in the South West London Region (pence per litre)

Daily averages across all stations in the South West London postcode area over the last 30 days. Merton sits within this region.

What does fuel cost a typical driver in Merton?

At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2378/year on fuel in Merton (at 152.5p/L). That's £10 less than the UK average of £2388. Across the wider South West London (SW) postcode area petrol averages 154.3p/L, working out at £2405/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1823/year at Merton's average diesel price of 167.1p/L. That's £44 less than the UK average of £1867. Across the wider South West London (SW) postcode area diesel averages 171.8p/L — £1874/year.

Choose the right station — save £££

The cheapest petrol in Merton is 148.9p/L and the most expensive is 155.9p/L — a 7.0p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £4.20.

For diesel the spread is 10.0p/L (161.9p cheapest, 171.9p dearest) — £6.00 saved on a 60‑litre fill.

Fuel Prices by Brand in Merton

Average prices and cheapest station for each fuel brand in Merton.

Esso Fuel Prices in Merton

There are 4 Esso forecourts in Merton. Petrol averages 151.4p/L1.1p below the Merton average. Diesel averages 166.2p/L (0.9p below town avg). Cheapest petrol: Esso, Longthornton at 149.9p. Esso fuel prices across the UK →

Show 4 Esso stations
StationPostcodeE10B7
Esso, West Barnes KT3 6HF 151.9p 164.9p
Esso, Longthornton SW16 5JF 149.9p 167.9p
Esso, London SW19 1EQ 151.9p 165.9p
Esso, Colliers Wood SW19 2BN 151.9p 165.9p

Shell Fuel Prices in Merton

There are 4 Shell forecourts in Merton. Petrol averages 154.7p/L2.2p above the Merton average. Diesel averages 169.9p/L (2.8p above town avg). Cheapest petrol: Shell, Wandle at 153.9p. Shell fuel prices across the UK →

Show 4 Shell stations
StationPostcodeE10B7
Shell, Cannon Hill SM4 4AW 155.9p 170.9p
Shell, Wandle SW17 0BW 153.9p 171.9p
Shell, Lavender Fields SW19 2QD 153.9p 166.9p
Shell, Raynes Park SW20 8RE 154.9p 169.9p

BP Fuel Prices in Merton

There is 1 BP forecourt in Merton. Petrol is 154.9p/L2.4p above the Merton average. Diesel is 168.9p/L (1.8p above town avg). Live prices: BP, Cannon Hill. BP fuel prices across the UK →

Show station details
StationPostcodeE10B7
BP, Cannon Hill SW20 8LR 154.9p 168.9p

Sainsbury's Fuel Prices in Merton

There is 1 Sainsbury's forecourt in Merton. Petrol is 149.9p/L2.6p below the Merton average. Diesel is 162.9p/L (4.2p below town avg). Live prices: Sainsbury's, Colliers Wood. Sainsbury's fuel prices across the UK →

Show station details
StationPostcodeE10B7
Sainsbury's, Colliers Wood SW19 1DD 149.9p 162.9p

Tesco Fuel Prices in Merton

There is 1 Tesco forecourt in Merton. Petrol is 148.9p/L3.6p below the Merton average. Diesel is 161.9p/L (5.2p below town avg). Live prices: Tesco, West Barnes. Tesco fuel prices across the UK →

Show station details
StationPostcodeE10B7
Tesco, West Barnes KT3 4PJ 148.9p 161.9p

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Frequently Asked Questions

The cheapest unleaded petrol (E10) in Merton today is 148.9p per litre at TESCO, KT3 4PJ. The average across 11 stations is 152.5p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in Merton today is 161.9p per litre at TESCO, KT3 4PJ. The average across 11 stations is 167.1p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in Merton is 152.5p per litre from 11 stations. The national average is 153.2p, so Merton is 0.7p below the national average.

The average diesel (B7) price in Merton is 167.1p per litre from 11 stations. The national average is 171.1p, so Merton is 4.0p below the national average.

There are currently 11 fuel stations reporting prices in Merton. This includes supermarket forecourts, independent stations, and branded sites.

Fuel prices on MPG Calc are updated every 30 minutes using official data from the UK government's Fuel Finder service. All retailers with 250+ filling stations are required by law to report their prices, covering the vast majority of UK forecourts.