Fuel station
St Mellons Superstore - Petrol Filling Station (CF3 0EF)
A Tesco forecourt
Tesco petrol prices across the UK
Tesco Stores Ltd, Crickhowell Road, ST. Mellons, Cardiff, Cardiff, CF3 0EF
E10
£7.72/gal
169.9p/L
B7
£9.00/gal
197.9p/L
E5
£8.18/gal
179.9p/L
This station's unleaded price is 1.4p per litre below the average of stations within 5 miles (171.3p).
Prices last recorded at 12:33pm on 4 November 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
When each price was set
| Grade | Price | Price set |
|---|---|---|
| Diesel (B7) | 197.9p | 4:15pm on 2 November 2026 |
| Unleaded (E10) | 169.9p | 4:15pm on 2 November 2026 |
| Premium Unleaded (E5) | 179.9p | 4:15pm on 2 November 2026 |
"Price set" is the station's own last-updated timestamp per grade from the official feed. A grade can hold the same price for weeks; the freshest grades are the ones the station actively reprices.
Cheaper unleaded within 5 miles
| Station | Distance | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|---|
 Tesco (CF14 6BN)Tesco Express, Tyn-y-parc Road, Cardiff | 4.9 miles | £7.68168.9p | ---- | ---- | ---- | |
| Tesco (CF14 3AT)Excelsior Estate, Excelsior Road, Cardiff | 4.8 miles | £7.68168.9p | ---- | ---- | ---- | |
 Morrisons (CF14 5EP)Ty- Glas Road, Llanishen, Cardiff | 4.2 miles | £7.68168.9p | ---- | ---- | ---- | |
| Morrisons (CF23 9YG)Ipswich Road, Pen-y-lan, Cardiff | 2.4 miles | £7.68168.9p | ---- | ---- | ---- |
Recent price changes
| Recorded | Unleaded | Diesel | Premium | Super diesel |
|---|---|---|---|---|
| 2 Nov 2026, 16:33 | 169.9p | 197.9p | 179.9p | -- |
| 30 Oct 2026, 16:05 | 170.9p | 198.9p | 180.9p | -- |
| 29 Oct 2026, 15:33 | 172.9p | 198.9p | 182.9p | -- |
| 15 Oct 2026, 14:32 | 173.9p | 198.9p | 183.9p | -- |
| 14 Oct 2026, 15:03 | 174.9p | 198.9p | 184.9p | -- |
Rows show snapshots where at least one price changed, over the last 30 days of recorded data.
Opening hours
| monday | 06:00 to 22:00 |
| tuesday | 06:00 to 22:00 |
| wednesday | 06:00 to 22:00 |
| thursday | 06:00 to 22:00 |
| friday | 06:00 to 22:00 |
| saturday | 06:00 to 22:00 |
| sunday | 06:00 to 22:00 |
Hours as published by the station to the official scheme.
Facilities
Check another area
Prices, hours and facilities are sourced from official UK government fuel-price data (Open Government Licence v3.0). fuel.co.uk is independent of this station and does not operate it.