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St Mellons Service Station

St. Mellons Service Station, Cardiff CF3 5UG

Checked 12 September 2026 · last price change 11 September 2026 · retailers report changes within 30 minutes
7-day trend: Unleaded ▼ 15.0p · 7d · Diesel ▲ 5.0p · 7d
UNLEADED
166.9p
vs 5 stations within 3 miles
▼ 15.0p · 7d
Last changed 09 Sep
DIESEL
189.9p
vs 5 stations within 3 miles
▲ 5.0p · 7d
Last changed 11 Sep
Super Unleaded186.9p
Cheaper Than the Local AverageFilling a 55-litre tank here saves about £1.76 versus the average of 5 stations within 3 miles.
Unleaded (E10) at St Mellons Service Station is 166.9p per litre, 2.0p below the Cardiff average of 168.9p, the 5th cheapest of 23 stations in Cardiff. Diesel is 189.9p, 1.3p below the UK average of 191.2p. Prices last reported by the retailer on 11 September 2026.
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How This Station Compares

Local rank (Cardiff)5th cheapest of 23
vs Cardiff average (unleaded)−2.0p lower
vs UK average (unleaded)−2.5p lower
vs UK average (diesel)−1.3p lower

Nearby Stations

0.4 MISet 11 Sep · Checked today
Tesco Tesco Stores Ltd, Crickhowell Road, CF3 0EF
UNLEADED
165.9p
DIESEL
187.9p
Unleaded 1.0p/L cheaper than this station · save £0.55 a tank
1.2 MISet 11 Sep · Checked today
Asda 8 Dering Road, Pontprennau, CF23 8NL
UNLEADED
167.9p
DIESEL
189.9p
Unleaded 1.0p/L more than this station · £0.55 extra a tank
1.3 MISet 12 Sep · Checked today
Esso Newport Road, CF3 2UR
UNLEADED
169.9p
DIESEL
191.9p
Unleaded 3.0p/L more than this station · £1.65 extra a tank
1.4 MISet 11 Sep · Checked today
Welcome Break Motorway Services, CF23 8RA
UNLEADED
174.9p
DIESEL
196.9p
Unleaded 8.0p/L more than this station · £4.40 extra a tank
1.6 MISet 12 Sep · Checked today
Texaco Pentwyn Service Station, CF23 7XH
UNLEADED
171.9p
DIESEL
194.9p
Unleaded 5.0p/L more than this station · £2.75 extra a tank

Facilities

AdBlue (packaged)Air & screenwashCar wash24-hour fuel

Opening Hours

mondayOpen 24 hours
tuesdayOpen 24 hours
wednesdayOpen 24 hours
thursdayOpen 24 hours
fridayOpen 24 hours
saturdayOpen 24 hours
sundayOpen 24 hours

Price History

Over the past 29 days, unleaded at this station has risen 4.0p (162.9p to 166.9p), while the UK average has risen 7.9p.

This stationUK average
12 Sep 2026166.9p
11 Sep 2026166.9p
10 Sep 2026166.9p▲ 2.0
09 Sep 2026164.9p
08 Sep 2026164.9p
07 Sep 2026164.9p
06 Sep 2026164.9p▼ 17.0
05 Sep 2026181.9p
04 Sep 2026181.9p▲ 19.0
03 Sep 2026162.9p
02 Sep 2026162.9p
01 Sep 2026162.9p
31 Aug 2026162.9p
30 Aug 2026162.9p
29 Aug 2026162.9p
28 Aug 2026162.9p
27 Aug 2026162.9p
26 Aug 2026162.9p
25 Aug 2026162.9p
24 Aug 2026162.9p
23 Aug 2026162.9p
22 Aug 2026162.9p
21 Aug 2026162.9p
20 Aug 2026162.9p
19 Aug 2026162.9p
18 Aug 2026162.9p
17 Aug 2026162.9p
16 Aug 2026162.9p
15 Aug 2026162.9p
14 Aug 2026162.9p
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