Filling station
Tesco Porthmadog Superstore
Tesco Stores Ltd, Stryd Fawr, Porthmadog, LL49 9NU. Prices this forecourt has reported to the government’s Fuel Finder scheme; we check them twice a day.
Prices at Tesco Porthmadog Superstore
- Unleaded petrol (E10) 169.9p 1.5p below the Gwynedd average
- Diesel (B7) 189.9p 5.4p below the Gwynedd average
- Petrol rank in Gwynedd 7 of 32 1 is the cheapest forecourt
- Forecourt Tesco Porthmadog, LL49 9NU
Unleaded petrol is 169.9p a litre, 1.5p below the Gwynedd average of 171.4p and 1.8p below the UK average. Diesel is 189.9p a litre, 5.4p below the Gwynedd average of 195.3p and 4.7p below the UK average. It is the 7th cheapest of 32 forecourts in Gwynedd for petrol.
| Fuel | Price a litre | Last changed |
|---|---|---|
| Unleaded (E10) | 169.9p | 14 Sept, 17:05 |
| Super unleaded (E5) | 180.9p | 14 Sept, 17:05 |
| Diesel (B7) | 189.9p | 9 Sept, 16:06 |
Times are UK time. We last checked Fuel Finder at 16 Sept, 16:47.
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Filling stations near Tesco Porthmadog Superstore
1 of the 8 nearest forecourts has cheaper petrol. The cheapest is Essar Prysor Service Station Ltd, 9.2 miles away, at 168.9p.
| Filling station | Miles | Petrol | Diesel |
|---|---|---|---|
 Essar Madog Garage / Hamdden Caravans Ltd LL49 | 0.2 | 169.9p | 194.9p |
| Shell MFG Porthmadog Porthmadog | 0.4 | 174.9p | 197.9p |
| Glanaber Garage Porthmadog | 0.8 | 172.9p | 196.9p |
 Esso Allan Green Penrhyndeudraeth | 3.0 | 175.9p | 199.9p |
 Spar Parciau Criccieth | 4.4 | 169.9p | 189.9p |
| Essar Morfa Garage Harlech | 4.6 | 178.9p | 202.9p |
| Cambrian Garage Blaenau Ffestiniog | 9.2 | – | – |
| Essar Prysor Service Station Ltd Blaenau Ffestiniog | 9.2 | 168.9p | 197.9p |
Distances are in a straight line. Highlighted prices are cheaper than here.
Opening hours and facilities
| Monday | 24 hours |
|---|---|
| Tuesday | 24 hours |
| Wednesday | 24 hours |
| Thursday | 24 hours |
| Friday | 24 hours |
| Saturday | 24 hours |
| Sunday | 24 hours |
Data sources and methodology
| Figures | Source | Period | Records | Updated |
|---|---|---|---|---|
| Forecourt prices | Fuel Finder open data Fuel Finder statutory scheme ONS Postcode Directory Office for National Statistics | Prices at 16:47 on 16 September 2026 | 8,070 filling stations | 16 September 2026 |
- Prices are those the forecourt has reported to Fuel Finder, the statutory scheme that requires UK filling stations to publish their prices within 30 minutes of a change. We check it twice a day, so a price may have changed since.
- Council areas come from the forecourt’s postcode, using the ONS Postcode Directory.
Source: Fuel Finder, the UK government’s statutory fuel price scheme.
Source: Office for National Statistics licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026.