Fuel prices
Petrol and diesel prices in Monmouthshire
Average pump prices across 20 filling stations in Monmouthshire, from the prices every UK forecourt must now publish under the government’s Fuel Finder scheme. Checked 31 Oct, 19:32.
- Average unleaded petrol 171.5p the same as the UK average
- Average diesel 201.4p 2.7p above the UK average
- Cheapest petrol 167.7p Gulf Caldecot Fuel Express Automat
- Filling stations 20 6 at supermarkets
Unleaded petrol averages 171.5p a litre across 14 forecourts in Monmouthshire, the same as the UK average. Diesel averages 201.4p, 2.7p above the UK average. The cheapest petrol is at Gulf Caldecot Fuel Express Automat, 167.7p; the dearest is 177.9p. The cheapest diesel is at EG Chepstow, 196.7p.
Cheapest petrol and diesel in Monmouthshire
| Filling station | Price |
|---|---|
| | 167.7p |
| EG Chepstow Chepstow | 167.7p |
| | 167.9p |
| | 167.9p |
| Nts Manor Garage Service Station Caldicot | 167.9p |
| | 167.9p |
| BP Ascona Brecon Road Service Station Abergavenny | 169.9p |
| | 169.9p |
| | 173.9p |
| Shell Waitrose Abergavenny Abergavenny | 173.9p |
| Filling station | Price |
|---|---|
| EG Chepstow Chepstow | 196.7p |
| | 196.9p |
| | 196.9p |
| | 198.7p |
| Nts Manor Garage Service Station Caldicot | 198.9p |
| | 198.9p |
| | 205.9p |
| | 209.9p |
| | 209.9p |
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Supermarkets against other forecourts
Supermarket petrol is not cheaper on average than at other forecourts in Monmouthshire.
| Forecourts | Petrol | Diesel | Stations |
|---|---|---|---|
| Supermarkets | 172.4p | 203.9p | 4 |
| Other forecourts | 170.4p | 197.8p | 9 |
Council areas in Wales, cheapest first
Monmouthshire is number 11 of 21 for petrol.
| Area | Petrol | Diesel |
|---|---|---|
| Carmarthenshire | 168.3p | 196.4p |
| Bridgend | 168.4p | 198.2p |
| Pembrokeshire | 168.5p | 196.1p |
| Isle of Anglesey | 168.8p | 195.8p |
| Rhondda Cynon Taf | 168.9p | 198.1p |
| Caerphilly | 168.9p | 197.4p |
| Neath Port Talbot | 170.0p | 197.3p |
| Blaenau Gwent | 170.3p | 197.3p |
| Ceredigion | 170.9p | 198.9p |
| Gwynedd | 171.4p | 198.3p |
| Monmouthshire | 171.5p | 201.4p |
| Swansea | 171.6p | 198.6p |
| Cardiff | 171.6p | 199.2p |
| Merthyr Tydfil | 171.7p | 198.6p |
| Vale of Glamorgan | 172.1p | 198.4p |
| Wrexham | 172.1p | 198.5p |
| Newport | 172.9p | 199.5p |
| Powys | 174.0p | 200.6p |
| Flintshire | 174.5p | 200.0p |
| Conwy | 174.6p | 201.2p |
| Denbighshire | 178.7p | 200.1p |
Every filling station in Monmouthshire
| Filling station | Petrol | Diesel |
|---|---|---|
| | 167.7p | 198.7p |
| EG Chepstow Chepstow | 167.7p | 196.7p |
| | 167.9p | 196.9p |
| | 167.9p | – |
| Nts Manor Garage Service Station Caldicot · supermarket | 167.9p | 198.9p |
| | 167.9p | 196.9p |
| BP Ascona Brecon Road Service Station Abergavenny | 169.9p | – |
| | 169.9p | 198.9p |
| | 173.9p | – |
| Shell Waitrose Abergavenny Abergavenny | 173.9p | – |
| BP Woodside Usk | 174.9p | – |
| | 176.9p | 209.9p |
| | 176.9p | 209.9p |
| | 177.9p | 205.9p |
| | – | – |
| | – | – |
| | – | – |
| Meredith Motors Chepstow | – | – |
| Shell Overmonnow Monmouth | – | – |
| Skirrid Mountain Garage Abergavenny · supermarket | – | – |
A dash means no current price: none reported, not changed for over two weeks, or not believable.
Average prices in Monmouthshire, day by day
Average petrol and diesel prices, 15 Sept 2026 to 31 Oct 2026
| Day | Diesel | Petrol |
|---|---|---|
| 15 Sept 2026 | 195.3p | 172.8p |
| 16 Sept 2026 | 196.3p | 173.8p |
| 17 Sept 2026 | 196.9p | 173.9p |
| 18 Sept 2026 | 198.2p | 174.6p |
| 19 Sept 2026 | 198.7p | 175.2p |
| 20 Sept 2026 | 198.9p | 175.2p |
| 21 Sept 2026 | 199.0p | 175.3p |
| 22 Sept 2026 | 199.6p | 175.4p |
| 23 Sept 2026 | 199.8p | 175.6p |
| 24 Sept 2026 | 200.0p | 176.1p |
| 25 Sept 2026 | 200.1p | 176.1p |
| 26 Sept 2026 | 200.3p | 176.1p |
| 27 Sept 2026 | 200.4p | 176.1p |
| 28 Sept 2026 | 200.4p | 176.4p |
| 29 Sept 2026 | 200.6p | 176.7p |
| 30 Sept 2026 | 200.6p | 176.8p |
| 1 Oct 2026 | 200.7p | 176.9p |
| 2 Oct 2026 | 200.7p | 176.9p |
| 3 Oct 2026 | 200.7p | 176.0p |
| 4 Oct 2026 | 200.7p | 176.0p |
| 5 Oct 2026 | 200.7p | 176.0p |
| 6 Oct 2026 | 200.6p | 176.0p |
| 7 Oct 2026 | 200.6p | 176.0p |
| 8 Oct 2026 | 200.6p | 176.6p |
| 9 Oct 2026 | 201.2p | 176.5p |
| 10 Oct 2026 | 201.2p | 176.5p |
| 11 Oct 2026 | 201.3p | 176.5p |
| 12 Oct 2026 | 201.6p | 176.9p |
| 13 Oct 2026 | 201.0p | 177.0p |
| 14 Oct 2026 | 200.5p | 176.8p |
| 15 Oct 2026 | 199.9p | 176.5p |
| 16 Oct 2026 | 199.7p | 176.5p |
| 17 Oct 2026 | 199.7p | 176.5p |
| 18 Oct 2026 | 199.7p | 176.4p |
| 19 Oct 2026 | 200.6p | 176.3p |
| 20 Oct 2026 | 200.6p | 176.1p |
| 21 Oct 2026 | 200.6p | 174.7p |
| 22 Oct 2026 | 200.5p | 174.2p |
| 23 Oct 2026 | 201.2p | 174.1p |
| 24 Oct 2026 | 201.1p | 174.1p |
| 25 Oct 2026 | 201.1p | 173.8p |
| 26 Oct 2026 | 201.1p | 173.5p |
| 27 Oct 2026 | 201.1p | 171.9p |
| 28 Oct 2026 | 201.2p | 171.7p |
| 29 Oct 2026 | 201.6p | 171.6p |
| 30 Oct 2026 | 201.4p | 171.5p |
| 31 Oct 2026 | 201.4p | 171.5p |
Source:Fuel Finder,ONS Prices at 19:32 on 31 October 2026 Updated
Data stories to read next
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 19:32 on 31 October 2026 | 8,148 filling stations | 31 October 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.