Fuel prices

Petrol and diesel prices in Wales

Average pump prices across 502 filling stations in Wales, from the prices every UK forecourt must now publish under the government’s Fuel Finder scheme. Checked 31 Oct, 19:32.

Last updated
Records analysed
8,148 filling stations
Methodology
View methodology
  • Average unleaded petrol 171.1p 0.4p below the UK average
  • Average diesel 198.1p 0.6p below the UK average
  • Cheapest petrol 159.9p Shell Crossroads Garage Begelly Kilgetty Ltd
  • Filling stations 502 166 at supermarkets

Unleaded petrol averages 171.1p a litre across 312 forecourts in Wales, 0.4p below the UK average. Diesel averages 198.1p, 0.6p below the UK average. The cheapest petrol is at Shell Crossroads Garage Begelly Kilgetty Ltd in Cilgeti, 159.9p; the dearest is 194.9p. The cheapest diesel is at Gulf Victoria, 192.7p.

Cheapest petrol and diesel in Wales

Unleaded petrol (E10)
Filling station Price
Shell Crossroads Garage Begelly Kilgetty Ltd Cilgeti 159.9p
Rhydymwyn Service Station Mold 163.6p
Texaco H.g.thomas Motors Limited Corwen 163.9p
Asda Tonypandy Superstore Tonypandy 164.7p
Gulf Victoria Aberdaugleddau 164.7p
Lewis Retail Drefach Ltd Llanelli 164.9p
Esso Mile End Service Station Castell-Nedd 164.9p
Tesco Aberdare Superstore Aberdare 165.9p
Texaco Baglan Service Station SA12 165.9p
Tesco Cardigan Superstore Cardigan 165.9p
Diesel (B7)
Filling station Price
Gulf Victoria Aberdaugleddau 192.7p
Tesco Abertillery Superstore Abertillery 192.9p
Central Garage Abertyleri 192.9p
Valero Ascona Crossways Service Station Neyland 193.7p
Valero Ascona Green Garage Service Station Pembroke 193.7p
Asda Llangefni Supermarket Llangefni 193.7p
Asda Tonypandy Superstore Tonypandy 193.7p
Texaco Bryn Llwyd Services Bangor 193.9p
Jet Dyffryn Service Station Caergybi 193.9p
Essar Gwalia Service Station Valley 193.9p

Get the cheapest fuel in Wales every Saturday

A free weekly email with the cheapest petrol and diesel within 10 miles of your postcode.

Supermarkets against other forecourts

Supermarket petrol is 1.4p a litre cheaper on average than at other forecourts in Wales.

Average prices by type of forecourt in Wales
Forecourts Petrol Diesel Stations
Supermarkets 170.1p 197.1p 107
Motorway services 180.9p 207.9p 4
Other forecourts 171.5p 198.3p 201

Council areas, cheapest first

Council areas: average fuel prices
Area Petrol Diesel Stations
Carmarthenshire 168.3p 196.4p 43
Bridgend 168.4p 198.2p 18
Pembrokeshire 168.5p 196.1p 32
Isle of Anglesey 168.8p 195.8p 16
Rhondda Cynon Taf 168.9p 198.1p 26
Caerphilly 168.9p 197.4p 23
Neath Port Talbot 170.0p 197.3p 18
Blaenau Gwent 170.3p 197.3p 9
Ceredigion 170.9p 198.9p 26
Gwynedd 171.4p 198.3p 37
Monmouthshire 171.5p 201.4p 20
Swansea 171.6p 198.6p 29
Cardiff 171.6p 199.2p 31
Merthyr Tydfil 171.7p 198.6p 5
Vale of Glamorgan 172.1p 198.4p 11
Wrexham 172.1p 198.5p 18
Newport 172.9p 199.5p 17
Powys 174.0p 200.6p 49
Flintshire 174.5p 200.0p 31
Conwy 174.6p 201.2p 17
Denbighshire 178.7p 200.1p 17

Average prices in Wales, day by day

Average petrol and diesel prices, 15 Sept 2026 to 31 Oct 2026

Average fuel prices in Wales by day
Day DieselPetrol
15 Sept 2026 193.0p170.4p
16 Sept 2026 193.9p171.0p
17 Sept 2026 194.6p171.3p
18 Sept 2026 195.5p171.7p
19 Sept 2026 195.9p171.9p
20 Sept 2026 196.1p172.1p
21 Sept 2026 196.6p172.3p
22 Sept 2026 197.4p172.7p
23 Sept 2026 197.9p172.9p
24 Sept 2026 198.5p173.2p
25 Sept 2026 199.0p173.5p
26 Sept 2026 199.3p173.7p
27 Sept 2026 199.3p173.7p
28 Sept 2026 199.6p173.9p
29 Sept 2026 199.8p174.1p
30 Sept 2026 199.9p174.2p
1 Oct 2026 200.0p174.3p
2 Oct 2026 200.0p174.3p
3 Oct 2026 200.0p174.3p
4 Oct 2026 200.0p174.3p
5 Oct 2026 200.0p174.3p
6 Oct 2026 199.9p174.4p
7 Oct 2026 199.7p174.3p
8 Oct 2026 199.5p174.3p
9 Oct 2026 199.3p174.2p
10 Oct 2026 199.3p174.1p
11 Oct 2026 199.3p174.1p
12 Oct 2026 199.0p173.9p
13 Oct 2026 198.7p173.9p
14 Oct 2026 198.6p173.8p
15 Oct 2026 198.4p173.6p
16 Oct 2026 198.4p173.5p
17 Oct 2026 198.3p173.4p
18 Oct 2026 198.3p173.3p
19 Oct 2026 198.3p173.1p
20 Oct 2026 198.3p173.1p
21 Oct 2026 198.3p173.1p
22 Oct 2026 198.2p172.9p
23 Oct 2026 198.2p172.9p
24 Oct 2026 198.1p172.6p
25 Oct 2026 198.1p172.7p
26 Oct 2026 198.1p172.3p
27 Oct 2026 198.2p172.2p
28 Oct 2026 198.3p171.8p
29 Oct 2026 198.2p171.4p
30 Oct 2026 198.1p171.2p
31 Oct 2026 198.1p171.1p

Source:Fuel Finder,ONS Prices at 19:32 on 31 October 2026 Updated

Data stories to read next

All insights

Data sources and methodology

Datasets used on this page
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.