Fuel prices
Petrol and diesel prices in Isle of Anglesey
Average pump prices across 16 filling stations in Isle of Anglesey, from the prices every UK forecourt must now publish under the government’s Fuel Finder scheme. Checked 16 Sept, 16:47.
- Average unleaded petrol 170.2p 1.5p below the UK average
- Average diesel 194.7p 0.1p above the UK average
- Cheapest petrol 166.9p Essar Parc Bach Ltd
- Filling stations 16 7 at supermarkets
Unleaded petrol averages 170.2p a litre across 15 forecourts in Isle of Anglesey, 1.5p below the UK average. Diesel averages 194.7p, 0.1p above the UK average. The cheapest petrol is at Essar Parc Bach Ltd, 166.9p; the dearest is 176.9p. The cheapest diesel is at Asda Llangefni Supermarket, 191.7p.
Cheapest petrol and diesel in Isle of Anglesey
| Filling station | Price |
|---|---|
 Essar Parc Bach Ltd Benllech | 166.9p |
 Asda Llangefni Supermarket Llangefni | 167.7p |
 Gulf Central Garage Amlwch | 167.9p |
 Texaco Herron Services Llangefni | 167.9p |
| Dragon Fuel Mill Garage Dulas | 167.9p |
| Texaco Pentraeth Services Pentraeth | 167.9p |
| Gulf Stermat Hardware Ltd Gaerwen | 167.9p |
 Jet Dyffryn Service Station Caergybi | 169.9p |
| Essar Gwalia Service Station Valley | 169.9p |
 Tesco Holyhead Extra Holyhead | 169.9p |
| Filling station | Price |
|---|---|
| Asda Llangefni Supermarket Llangefni | 191.7p |
| Jet Dyffryn Service Station Caergybi | 191.9p |
| Essar Gwalia Service Station Valley | 191.9p |
| Tesco Holyhead Extra Holyhead | 191.9p |
 MFG Morrisons Holyhead Penrhos | 191.9p |
| Texaco Herron Services Llangefni | 192.9p |
| Texaco Pentraeth Services Pentraeth | 192.9p |
| Gulf Stermat Hardware Ltd Gaerwen | 192.9p |
| Essar Parc Bach Ltd Benllech | 194.9p |
| Dragon Fuel Mill Garage Dulas | 195.9p |
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Supermarkets against other forecourts
Supermarket petrol is 0.4p a litre cheaper on average than at other forecourts in Isle of Anglesey.
| Forecourts | Petrol | Diesel | Stations |
|---|---|---|---|
| Supermarkets | 170.0p | 193.7p | 7 |
| Other forecourts | 170.4p | 195.5p | 8 |
Council areas in Wales, cheapest first
Isle of Anglesey is number 10 of 22 for petrol.
| Area | Petrol | Diesel |
|---|---|---|
| Pembrokeshire | 168.0p | 191.5p |
| Torfaen | 168.7p | 191.0p |
| Caerphilly | 168.8p | 191.7p |
| Ceredigion | 169.3p | 193.7p |
| Neath Port Talbot | 169.3p | 192.7p |
| Vale of Glamorgan | 169.4p | 193.9p |
| Carmarthenshire | 169.5p | 192.3p |
| Bridgend | 169.8p | 193.1p |
| Rhondda Cynon Taf | 170.1p | 193.2p |
| Isle of Anglesey | 170.2p | 194.7p |
| Blaenau Gwent | 170.2p | 191.4p |
| Powys | 170.9p | 194.9p |
| Wrexham | 171.3p | 193.0p |
| Cardiff | 171.3p | 194.3p |
| Gwynedd | 171.4p | 195.3p |
| Newport | 171.4p | 194.4p |
| Swansea | 172.6p | 195.1p |
| Merthyr Tydfil | 173.7p | 198.5p |
| Monmouthshire | 173.8p | 196.3p |
| Flintshire | 174.3p | 195.1p |
| Denbighshire | 174.6p | 195.4p |
| Conwy | 175.4p | 196.7p |
Every filling station in Isle of Anglesey
| Filling station | Petrol | Diesel |
|---|---|---|
| Essar Parc Bach Ltd Benllech | 166.9p | 194.9p |
| Asda Llangefni Supermarket Llangefni · supermarket | 167.7p | 191.7p |
| Gulf Central Garage Amlwch | 167.9p | 196.9p |
| Texaco Herron Services Llangefni | 167.9p | 192.9p |
| Dragon Fuel Mill Garage Dulas · supermarket | 167.9p | 195.9p |
| Texaco Pentraeth Services Pentraeth | 167.9p | 192.9p |
| Gulf Stermat Hardware Ltd Gaerwen · supermarket | 167.9p | 192.9p |
| Jet Dyffryn Service Station Caergybi · supermarket | 169.9p | 191.9p |
| Essar Gwalia Service Station Valley | 169.9p | 191.9p |
| Tesco Holyhead Extra Holyhead · supermarket | 169.9p | 191.9p |
| MFG Morrisons Holyhead Penrhos · supermarket | 169.9p | 191.9p |
| Texaco Abc Service Station Anglesey | 172.9p | 198.9p |
 Esso Tyn Lon Garage Limited Llanfairpwllgwyngyll | 172.9p | 195.9p |
| Dragon Fuel Ddraig Goch Garage Llanfair Pg · supermarket | 176.9p | 199.9p |
| Shell Britannia Isle of Anglesey | 176.9p | 199.9p |
| Dragon Tregele Service Station Cemaes Bay | – | – |
A dash means no current price: none reported, not changed for over two weeks, or not believable.
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 |
- Averages use unleaded (E10) and standard diesel (B7) prices at open forecourts, leaving out prices unchanged for over two weeks or far from every other forecourt. They count each forecourt once, not by how much fuel it sells.
- Forecourts are placed in council areas from their 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.