Mallwyd Service Station
Mallwyd petrol station
Mallwyd Service Station, Mallwyd, Machynlleth, Sy20 9hn, Gwynedd SY20 9HN
Prices at this forecourt
Live- Diesel
Prices and how they compare
Against the 31 forecourts in Gwynedd and the UK average.
| Fuel | Price | Reported | In Gwynedd | UK | Last 30 days |
|---|---|---|---|---|---|
| Unleaded (E10) | 172.9ptoo old to count | 22 Sept 2026, 09:21 | — | — | No change |
| Diesel (B7) | 197.9p | 12 Oct 2026, 06:56 | 0.1p below average14th cheapest of 25 | 0.2p above UK | 1 changelast +2.0p on 12 Oct 2026, 06:56 |
Price history over 90 days
Each step is a price change the forecourt reported. Flat stretches are a price holding steady.
Unleaded (E10)
Diesel (B7)
Opening hours and facilities
Opening hours
| monday | 06:00 – 18:00 |
|---|---|
| tuesday | 06:00 – 18:00 |
| wednesday | 06:00 – 18:00 |
| thursday | 06:00 – 18:00 |
| friday | 06:00 – 18:00 |
| saturday | 06:00 – 17:30 |
| sunday | 06:00 – 17:00 |
| Bank holidays | 06:00 – 17:00 |
Facilities
- AdBlue (Packaged)
- Brand
- Mallwyd Service Station
- Phone
- +441650531210
- Postcode
- SY20 9HN
- Council area
- Gwynedd
Questions about Mallwyd
How much is fuel at Mallwyd?
- diesel is 197.9p, reported 12 Oct 2026, 06:56. Prices are as the forecourt last reported them to the Fuel Finder scheme and can change before you arrive.
Is Mallwyd open 24 hours?
- No. Today's hours and the rest of the week are listed above; they come from the retailer and bank holidays can differ.
Which fuels does Mallwyd sell?
- It currently reports prices for Diesel (B7). No super unleaded (E5) price is listed.
Get told when fuel in Gwynedd gets cheaper
Price-drop alerts, your saved stations and CarPlay are coming in the FuelWise iPhone app, which is in final testing. Prices here stay free on the web.
Prices are reported by the forecourts themselves to the UK Government's Fuel Finder scheme, which requires every change to be published within 30 minutes. FuelWise reads the feed every 15 minutes and last updated these figures on 9 Nov 2026, 00:50. Each price shows when it was reported; prices older than 30 days and stations that have stopped reporting are left out.
How we calculate averages · Contains public sector information licensed under the Open Government Licence v3.0.