Texaco

St Mellons Service Station fuel prices in Cardiff

Current petrol and diesel prices, opening times, directions and nearby alternatives for St Mellons Service Station, a Texaco forecourt in Cardiff.

St. Mellons Service Station, Newport Road Old St. Mellons, Cardiff, CF3 5UG · 3.9 miles from Cardiff town centre

Get directions Compare Cardiff prices

Opening times: Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours
Station type: Petrol station
Price source: Official UK Fuel Finder data

Prices checked 20 Oct 2026, 06:50

PetrolDiesel

Current station prices

Petrol

Diesel

Super unleaded

Premium diesel

Prices checked 20 Oct 2026, 06:50

Station verdict

Pricier than average for super unleaded.

E5 is 5.5p above the Cardiff average and ranks 23rd of 24. It is worth checking nearby super unleaded prices before filling up.

Compare nearby

Nearby comparison

Nearby fuel prices in Cardiff

This station and nearby alternatives, ordered by petrol price, lowest first. Prices checked 20 Oct 2026, 06:50. Select a heading to sort without changing the table layout.

Nearby fuel prices in Cardiff. This station and nearby alternatives, ordered by petrol price, lowest first.
Forecourt	Petrol	Diesel	Super unleaded	Premium diesel	Distance
Risca Extra - Petrol Filling StationPONTYMISTER INDUSTRIAL ESTATE, Newport, NP11 6NPReported 15 Oct 2026, 15:37	171.9p/lSave 4p/l	197.9p/lSave 2p/l	181.9p/lSave 14p/l	Unavailable	5.0 milesSave 14p/l best
Cardiff Tyn-Y-Parc ExpressTESCO EXPRESS, Cardiff, CF14 6BNReported 14 Oct 2026, 15:44	172.9p/lSave 3p/l	197.9p/lSave 2p/l	182.9p/lSave 13p/l	Unavailable	5.0 milesSave 13p/l best
St Mellons Superstore - Petrol Filling StationTESCO STORES LTD, CRICKHOWELL ROAD, Cardiff, CF3 0EFReported 15 Oct 2026, 15:16	173.9p/lSave 2p/l	198.9p/lSave 1p/l	183.9p/lSave 12p/l	Unavailable	0.4 milesSave 12p/l best
Cardiff Pengam Extra - Petrol Filling StationTESCO EXTRA, Cardiff, CF24 2HPReported 15 Oct 2026, 15:10	173.9p/lSave 2p/l	197.9p/lSave 2p/l	183.9p/lSave 12p/l	Unavailable	3.1 milesSave 12p/l best
Newport Extra - Petrol Filling StationUNIT 6 HARLECH RETAIL PARK, Newport, NP20 3BAReported 14 Oct 2026, 15:32	173.9p/lSave 2p/l	196.9p/lSave 3p/l	183.9p/lSave 12p/l	Unavailable	4.9 milesSave 12p/l best
St Mellons Service StationSt. Mellons Service Station, Newport Road Old St. Mellons, Cardiff, CF3 5UGThis stationReported 1 Oct 2026, 08:34	175.9p/l	199.9p/l	195.9p/l	Unavailable	0 mi

Plan your stop

Station information

Opening times, address, listed amenities and map for St Mellons Service Station.

Directions View larger map All Cardiff prices

24 hours daily

Monday - Sunday: 24 hours
Bank holidays: 24 hours

Address

St. Mellons Service Station, Newport Road Old St. Mellons, Cardiff, CF3 5UG

3.9 miles from Cardiff town centre

Get directions

Amenities

Packaged AdBlue
Air Pump Or Screenwash
Car wash
Twenty Four Hour Fuel

Station identity

Brand family: Texaco
Station type: Petrol station
Location: Cardiff, Wales

Price context

Detailed current price comparison

At St Mellons Service Station, the latest reported prices are compared with the Cardiff, regional and UK averages below.

All fuel prices in Cardiff Report a price issue

Detailed current price comparison. All prices are in pence per litre. Stale or unusual prices are excluded from rankings and averages.
Fuel	Cardiff rank	Current	30-day avg	Cardiff avg	Regional avg	UK avg	30-day trend
Petrol (E10)	27th of 33 in Cardiff	175.9p/l	174.9p/l	174p/l	173.6p/l	174.1p/l	Petrol (E10) 30-day trend: 6p/l up
Diesel (B7)	25th of 33 in Cardiff	199.9p/l	199.1p/l	199.4p/l	198.8p/l	199.1p/l	Diesel (B7) 30-day trend: 5p/l up
Super unleaded (E5)	23rd of 24 in Cardiff	195.9p/l	194.9p/l	190.4p/l	190.3p/l	191.9p/l	Super unleaded (E5) 30-day trend: 6p/l up
Premium diesel (SDV)	Not stocked	Not stocked	Not stocked	Not stocked	Not stocked	Not stocked	Not stocked

All prices are in pence per litre. Stale or unusual prices are excluded from rankings and averages.

What the numbers mean

What the current comparison says

Across the 3 fuel types stocked at St Mellons Service Station, current comparable prices place Petrol (E10), Diesel (B7) and Super unleaded (E5) above the Cardiff average.

Petrol is currently the 27th cheapest of 33 ranked forecourts in Cardiff, at 175.9p/l. It is 1.9p/l more expensive than the Cardiff average, 2.3p/l more expensive than the regional average and 1.8p/l more expensive than the UK average.
Diesel is currently the 25th cheapest of 33 ranked forecourts in Cardiff, at 199.9p/l. It is 0.5p/l more expensive than the Cardiff average, 1.1p/l more expensive than the regional average and 0.8p/l more expensive than the UK average.
Super unleaded is currently the 23rd cheapest of 24 ranked forecourts in Cardiff, at 195.9p/l. It is 5.5p/l more expensive than the Cardiff average, 5.6p/l more expensive than the regional average and 4p/l more expensive than the UK average.

Price movement

30-day price history at this station

Separate station trends for each fuel, compared with Cardiff, Wales and UK daily averages.

E10

Petrol price history

177p173p168p

Sunday, 20 September 2026: station 169.9p/l; local 171.7p/l; regional 172p/l; UK 172.5p/l.
Monday, 21 September 2026: station 172.9p/l; local 172.2p/l; regional 172.3p/l; UK 172.8p/l.
Tuesday, 22 September 2026: station 172.9p/l; local 172.5p/l; regional 172.6p/l; UK 173p/l.
Wednesday, 23 September 2026: station 172.9p/l; local 172.8p/l; regional 172.8p/l; UK 173.3p/l.
Thursday, 24 September 2026: station 172.9p/l; local 173.2p/l; regional 173.1p/l; UK 173.6p/l.
Friday, 25 September 2026: station 172.9p/l; local 173.5p/l; regional 173.4p/l; UK 173.9p/l.
Saturday, 26 September 2026: station 172.9p/l; local 173.7p/l; regional 173.6p/l; UK 174p/l.
Sunday, 27 September 2026: station 172.9p/l; local 173.7p/l; regional 173.6p/l; UK 174.1p/l.
Monday, 28 September 2026: station 173.9p/l; local 174.1p/l; regional 173.9p/l; UK 174.4p/l.
Tuesday, 29 September 2026: station 174.9p/l; local 174.3p/l; regional 174p/l; UK 174.5p/l.
Wednesday, 30 September 2026: station 174.9p/l; local 174.6p/l; regional 174.1p/l; UK 174.6p/l.
Thursday, 1 October 2026: station 175.9p/l; local 174.7p/l; regional 174.1p/l; UK 174.6p/l.
Friday, 2 October 2026: station 175.9p/l; local 174.9p/l; regional 174.3p/l; UK 174.7p/l.
Saturday, 3 October 2026: station 175.9p/l; local 174.9p/l; regional 174.3p/l; UK 174.8p/l.
Sunday, 4 October 2026: station 175.9p/l; local 174.9p/l; regional 174.3p/l; UK 174.8p/l.
Monday, 5 October 2026: station 175.9p/l; local 174.9p/l; regional 174.3p/l; UK 174.8p/l.
Tuesday, 6 October 2026: station 175.9p/l; local 174.9p/l; regional 174.3p/l; UK 174.7p/l.
Wednesday, 7 October 2026: station 175.9p/l; local 174.9p/l; regional 174.2p/l; UK 174.7p/l.
Thursday, 8 October 2026: station 175.9p/l; local 174.6p/l; regional 174.1p/l; UK 174.6p/l.
Friday, 9 October 2026: station 175.9p/l; local 174.6p/l; regional 174.1p/l; UK 174.6p/l.
Saturday, 10 October 2026: station 175.9p/l; local 174.6p/l; regional 174.1p/l; UK 174.6p/l.
Sunday, 11 October 2026: station 175.9p/l; local 174.6p/l; regional 174.1p/l; UK 174.6p/l.
Monday, 12 October 2026: station 175.9p/l; local 174.6p/l; regional 174p/l; UK 174.5p/l.
Tuesday, 13 October 2026: station 175.9p/l; local 174.4p/l; regional 174p/l; UK 174.4p/l.
Wednesday, 14 October 2026: station 175.9p/l; local 174.3p/l; regional 173.9p/l; UK 174.3p/l.
Thursday, 15 October 2026: station 175.9p/l; local 174.1p/l; regional 173.8p/l; UK 174.2p/l.
Friday, 16 October 2026: station 175.9p/l; local 174.1p/l; regional 173.7p/l; UK 174.2p/l.
Saturday, 17 October 2026: station 175.9p/l; local 174.2p/l; regional 173.7p/l; UK 174.1p/l.
Sunday, 18 October 2026: station 175.9p/l; local 174.2p/l; regional 173.7p/l; UK 174.1p/l.
Monday, 19 October 2026: station 175.9p/l; local 174p/l; regional 173.6p/l; UK 174.1p/l.

Current station price

175.9p/l

Petrol at this station rose 6p/l, from 169.9p/l on 20 September to 175.9p/l on 19 October. The latest 7 days were steadier, with the average little changed since 12 October. The current 175.9p/l price is 1.9p/l above the Cardiff average, 2.3p/l above the Wales average and 1.8p/l above the UK average. Its 30-day station average was 174.9p/l.

30-day station avg: 174.9p/l
Cardiff avg: 174p/l
Wales avg: 173.6p/l
UK avg: 174.1p/l

20 Sept to 19 Oct

Diesel price history

202p198p193p

Sunday, 20 September 2026: station 194.9p/l; local 195.4p/l; regional 196.1p/l; UK 196.3p/l.
Monday, 21 September 2026: station 195.9p/l; local 196.7p/l; regional 196.7p/l; UK 196.9p/l.
Tuesday, 22 September 2026: station 195.9p/l; local 197.1p/l; regional 197.4p/l; UK 197.3p/l.
Wednesday, 23 September 2026: station 197.9p/l; local 197.6p/l; regional 197.9p/l; UK 197.7p/l.
Thursday, 24 September 2026: station 197.9p/l; local 198.5p/l; regional 198.4p/l; UK 198.3p/l.
Friday, 25 September 2026: station 197.9p/l; local 199.2p/l; regional 198.9p/l; UK 198.8p/l.
Saturday, 26 September 2026: station 197.9p/l; local 199.5p/l; regional 199.1p/l; UK 199.1p/l.
Sunday, 27 September 2026: station 197.9p/l; local 199.6p/l; regional 199.2p/l; UK 199.2p/l.
Monday, 28 September 2026: station 198.9p/l; local 200.2p/l; regional 199.6p/l; UK 199.6p/l.
Tuesday, 29 September 2026: station 199.9p/l; local 200.3p/l; regional 199.7p/l; UK 199.8p/l.
Wednesday, 30 September 2026: station 199.9p/l; local 200.4p/l; regional 199.8p/l; UK 199.8p/l.
Thursday, 1 October 2026: station 199.9p/l; local 200.3p/l; regional 199.8p/l; UK 199.8p/l.
Friday, 2 October 2026: station 199.9p/l; local 200.5p/l; regional 199.8p/l; UK 199.9p/l.
Saturday, 3 October 2026: station 199.9p/l; local 200.5p/l; regional 199.9p/l; UK 200p/l.
Sunday, 4 October 2026: station 199.9p/l; local 200.5p/l; regional 199.9p/l; UK 200p/l.
Monday, 5 October 2026: station 199.9p/l; local 200.5p/l; regional 199.9p/l; UK 200p/l.
Tuesday, 6 October 2026: station 199.9p/l; local 200.4p/l; regional 199.7p/l; UK 199.9p/l.
Wednesday, 7 October 2026: station 199.9p/l; local 200.4p/l; regional 199.6p/l; UK 199.8p/l.
Thursday, 8 October 2026: station 199.9p/l; local 200.1p/l; regional 199.5p/l; UK 199.7p/l.
Friday, 9 October 2026: station 199.9p/l; local 200p/l; regional 199.4p/l; UK 199.7p/l.
Saturday, 10 October 2026: station 199.9p/l; local 200p/l; regional 199.4p/l; UK 199.7p/l.
Sunday, 11 October 2026: station 199.9p/l; local 200.1p/l; regional 199.4p/l; UK 199.7p/l.
Monday, 12 October 2026: station 199.9p/l; local 200p/l; regional 199.4p/l; UK 199.6p/l.
Tuesday, 13 October 2026: station 199.9p/l; local 199.9p/l; regional 199.3p/l; UK 199.4p/l.
Wednesday, 14 October 2026: station 199.9p/l; local 199.5p/l; regional 199.1p/l; UK 199.3p/l.
Thursday, 15 October 2026: station 199.9p/l; local 199.3p/l; regional 199p/l; UK 199.2p/l.
Friday, 16 October 2026: station 199.9p/l; local 199.3p/l; regional 198.9p/l; UK 199.1p/l.
Saturday, 17 October 2026: station 199.9p/l; local 199.3p/l; regional 198.8p/l; UK 199.1p/l.
Sunday, 18 October 2026: station 199.9p/l; local 199.4p/l; regional 198.8p/l; UK 199.1p/l.
Monday, 19 October 2026: station 199.9p/l; local 199.4p/l; regional 198.8p/l; UK 199.1p/l.

Current station price

199.9p/l

Diesel at this station rose 5p/l, from 194.9p/l on 20 September to 199.9p/l on 19 October. The latest 7 days were steadier, with the average little changed since 12 October. The current 199.9p/l price is 0.5p/l above the Cardiff average, 1.1p/l above the Wales average and 0.8p/l above the UK average. Its 30-day station average was 199.1p/l.

30-day station avg: 199.1p/l
Cardiff avg: 199.4p/l
Wales avg: 198.8p/l
UK avg: 199.1p/l

20 Sept to 19 Oct

Super unleaded price history

197p192p186p

Sunday, 20 September 2026: station 189.9p/l; local 187.1p/l; regional 188p/l; UK 189.5p/l.
Monday, 21 September 2026: station 192.9p/l; local 187.6p/l; regional 188.3p/l; UK 189.7p/l.
Tuesday, 22 September 2026: station 192.9p/l; local 187.7p/l; regional 188.5p/l; UK 189.9p/l.
Wednesday, 23 September 2026: station 192.9p/l; local 187.8p/l; regional 188.9p/l; UK 190.1p/l.
Thursday, 24 September 2026: station 192.9p/l; local 188.1p/l; regional 189p/l; UK 190.3p/l.
Friday, 25 September 2026: station 192.9p/l; local 188.3p/l; regional 189.2p/l; UK 190.5p/l.
Saturday, 26 September 2026: station 192.9p/l; local 188.4p/l; regional 189.4p/l; UK 190.6p/l.
Sunday, 27 September 2026: station 192.9p/l; local 188.4p/l; regional 189.4p/l; UK 190.7p/l.
Monday, 28 September 2026: station 193.9p/l; local 190p/l; regional 190.1p/l; UK 191.6p/l.
Tuesday, 29 September 2026: station 194.9p/l; local 190.6p/l; regional 190.5p/l; UK 192p/l.
Wednesday, 30 September 2026: station 194.9p/l; local 190.7p/l; regional 190.6p/l; UK 192.1p/l.
Thursday, 1 October 2026: station 195.9p/l; local 190.9p/l; regional 190.7p/l; UK 192.2p/l.
Friday, 2 October 2026: station 195.9p/l; local 191p/l; regional 190.8p/l; UK 192.2p/l.
Saturday, 3 October 2026: station 195.9p/l; local 191p/l; regional 190.8p/l; UK 192.3p/l.
Sunday, 4 October 2026: station 195.9p/l; local 191p/l; regional 190.8p/l; UK 192.3p/l.
Monday, 5 October 2026: station 195.9p/l; local 190.9p/l; regional 190.7p/l; UK 192.3p/l.
Tuesday, 6 October 2026: station 195.9p/l; local 190.8p/l; regional 190.7p/l; UK 192.2p/l.
Wednesday, 7 October 2026: station 195.9p/l; local 190.8p/l; regional 190.7p/l; UK 192.2p/l.
Thursday, 8 October 2026: station 195.9p/l; local 190.7p/l; regional 190.7p/l; UK 192.1p/l.
Friday, 9 October 2026: station 195.9p/l; local 190.7p/l; regional 190.7p/l; UK 192.1p/l.
Saturday, 10 October 2026: station 195.9p/l; local 190.7p/l; regional 190.7p/l; UK 192.1p/l.
Sunday, 11 October 2026: station 195.9p/l; local 190.7p/l; regional 190.7p/l; UK 192.1p/l.
Monday, 12 October 2026: station 195.9p/l; local 190.7p/l; regional 190.7p/l; UK 192.2p/l.
Tuesday, 13 October 2026: station 195.9p/l; local 190.7p/l; regional 190.6p/l; UK 192.1p/l.
Wednesday, 14 October 2026: station 195.9p/l; local 190.6p/l; regional 190.6p/l; UK 192p/l.
Thursday, 15 October 2026: station 195.9p/l; local 190.5p/l; regional 190.5p/l; UK 192p/l.
Friday, 16 October 2026: station 195.9p/l; local 190.5p/l; regional 190.5p/l; UK 192p/l.
Saturday, 17 October 2026: station 195.9p/l; local 190.5p/l; regional 190.5p/l; UK 192p/l.
Sunday, 18 October 2026: station 195.9p/l; local 190.5p/l; regional 190.4p/l; UK 192p/l.
Monday, 19 October 2026: station 195.9p/l; local 190.4p/l; regional 190.3p/l; UK 191.9p/l.

Current station price

195.9p/l

Super unleaded at this station rose 6p/l, from 189.9p/l on 20 September to 195.9p/l on 19 October. The latest 7 days were steadier, with the average little changed since 12 October. The current 195.9p/l price is 5.5p/l above the Cardiff average, 5.6p/l above the Wales average and 4p/l above the UK average. Its 30-day station average was 194.9p/l.

30-day station avg: 194.9p/l
Cardiff avg: 190.4p/l
Wales avg: 190.3p/l
UK avg: 191.9p/l

20 Sept to 19 Oct

Premium diesel · SDV

Premium diesel is not stocked here

This forecourt does not stock premium diesel (SDV).

Local price leadership

Days this station was cheapest in the last 30 days

Completed-day prices are compared when at least two Cardiff forecourts reported the same fuel. Ties and unchanged carried-forward prices count.

Daily record of whether each stocked fuel was cheapest locally during the last 30 days.
Fuel	Sept20	21	22	23	24	25	26	27	28	29	30	Oct1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	Cheapest
Petrol (E10)																															0 of 30 days
Diesel (B7)																															0 of 30 days
Super unleaded (E5)																															0 of 30 days
Premium diesel (SDV)																															Does not stock

Cheapest-day read

How often this station was cheapest locally

This station did not match the lowest eligible local price during the available 30-day period. Check the nearby comparison before filling up.

How to use this page

About St Mellons Service Station

Use this page to compare prices at St Mellons Service Station with current Cardiff averages, regional averages and UK averages. You can also review recent price history and check for cheaper stations nearby.

Local rankings and averages use current, rankable prices. Stale or unusual prices remain visible for transparency but are excluded from comparison calculations.

Keep comparing

Compare fuel prices in Cardiff

Explore current local averages, the cheapest reported prices and participating forecourts across Cardiff.

Good to know

FAQs for St Mellons Service Station

Current station details, price-data caveats and useful routes for comparing your next fill-up.

What are the current fuel prices at St Mellons Service Station?

St Mellons Service Station currently reports Petrol (E10) at 175.9p/l, Diesel (B7) at 199.9p/l and Super unleaded (E5) at 195.9p/l. The latest price observation on this page was 1 Oct 2026, 08:34.

Is St Mellons Service Station cheap for petrol and diesel in Cardiff?

No. Current petrol and diesel prices are both above the Cardiff averages. Petrol ranks 27th of 33 current prices in Cardiff, and the price is 1.9p/l above the Cardiff average. Diesel ranks 25th of 33 current prices in Cardiff, and the price is 0.5p/l above the Cardiff average. Compare all current forecourt prices in Cardiff.

What are the opening times for St Mellons Service Station?

St Mellons Service Station reports opening hours of 24 hours daily. Bank holiday and temporary opening hours may differ.

Where is St Mellons Service Station?

St Mellons Service Station is at St. Mellons Service Station, Newport Road Old St. Mellons, Cardiff, CF3 5UG. It is listed as a petrol station in Cardiff. Get directions to St Mellons Service Station.

Which fuel types are available at St Mellons Service Station?

St Mellons Service Station is listed as offering Petrol (E10), Diesel (B7) and Super unleaded (E5).

How up to date are fuel prices at St Mellons Service Station?

The latest price observation shown for St Mellons Service Station was 1 Oct 2026, 08:34. Prices come from the official GOV.UK Fuel Finder feed, where participating retailers report price changes. Read our data accuracy rules.

What facilities are available at St Mellons Service Station?

Listed facilities at St Mellons Service Station include Packaged AdBlue, Air Pump Or Screenwash, Car wash and Twenty Four Hour Fuel. Facility availability and access hours may differ from the forecourt's opening times.

Does St Mellons Service Station have toilets?

Toilets are not listed in the available facilities data for St Mellons Service Station, so we cannot confirm whether they are available. Check with the station before relying on a toilet stop.

Fuel price data

Prices are sourced from the UK Government Fuel Finder scheme. Prices checked 20 Oct 2026, 06:50.

3 current prices · 3 fuel grades stocked · Petrol station

How we source fuel prices