What was the average petrol price in the UK in March 2026?

The average UK unleaded petrol price in March 2026 was 152.7p per litre.

How can I find the cheapest fuel near me?

Use PumpCheck to search by postcode or share your location. We compare prices at nearby stations and rank them by value, factoring in price, distance, and how recently the price was reported.

Which brand had the cheapest petrol in March 2026?

COSTCO WHOLESALE had the cheapest average unleaded price in March 2026 at 143.9p per litre.

UK Fuel Prices March 2026: Monthly Analysis

Summary

In March 2026, the average UK price for unleaded petrol (E10) was 152.7p per litre. Diesel (B7) averaged 183.3p.

A typical 50-litre fill-up of unleaded cost £76.35 this month.

COSTCO WHOLESALE was the cheapest major brand at 143.9p, while WELCOME BREAK was the most expensive at 173.2p — a gap of 29.3p per litre.

National Averages by Fuel Type

Diesel (B10)

176.8p

Premium Diesel

199.3p

Diesel (B7)

183.3p

Unleaded (E10)

152.7p

Super Unleaded (E5)

169.4p

HVO Diesel

195.3p

Prices in pence per litre. Change vs previous month.

Cheapest Brands — Unleaded

1 COSTCO WHOLESALE

143.9p

2 Nicholl

144.9p

3 SAINSBURY'S

145.6p

4 TESCO

145.7p

5 Harvest Energy

147.0p

6 CIRCLE K

148.2p

7 CENTRAL CO-OP

148.8p

8 MORRISONS

149.7p

9 Emo

150.0p

10 Maxol

150.0p

Cheapest Cities

Coleraine 146.7p

Dumfries 147.8p

Rochdale 147.9p

Craigavon 148.6p

Kilmarnock 148.6p

Most Expensive

Crewe 157.6p

Stirling 157.0p

Winchester 156.8p

Maidenhead 156.7p

Telford 156.6p

Use This Data

This data is free to use with attribution. Please cite PumpCheck and link back to this page.

Source: PumpCheck (https://pumpcheck.co.uk/insights/monthly/2026-03)

UK Fuel Prices: March 2026