Live prices
Cheapest premium unleaded (E5) near SA4
17 stations reporting premium unleaded (E5), ranked cheapest first.
The cheapest reported premium unleaded (E5) within 5 miles of the centre of SA4 is £8.18 a gallon (179.9p per litre) at Tesco, Tesco Stores Ltd, Trostre Retail Park, Llanelli (SA14 9UY). The average across 17 forecourts currently reporting this grade is £8.67 a gallon (190.8p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £5.45 on a 50-litre fill.
The average has fallen 4.9p per litre since yesterday. The average has fallen 0.1p per litre since last week.
Prices last refreshed at 3:02pm on 20 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Distance | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|---|
 Llanelli Extra - Petrol Filling Station (SA14 9UY)24hTesco Stores Ltd, Trostre Retail Park, Llanelli | 3.8 miles | £7.72169.9p | £8.68190.9p | £8.18179.9p | ---- | 47 mins ago |
| Swansea Cadle Extra - Petrol Filling Station (SA5 4BA)24hPontardulais Road, Cadle, Swansea | 2.9 miles | £7.77170.9p | £8.77192.9p | £8.27181.9p | ---- | 47 mins ago |
 Nts Llanelli Service Station (SA15 1QD)24h1, Capel Isaf Road, Llanelli, SA15 1QD, Llanelli | 4.1 miles | £7.72169.9p | £8.72191.9p | £8.41184.9p | £9.41206.9p | 47 mins ago |
| Pontarddulais Superstore - Petrol Filling Station (SA4 8TA)24hTidal Reach, Pontarddulais, Abertawe | 2.8 miles | £7.95174.9p | £8.95196.9p | £8.45185.9p | ---- | 47 mins ago |
 Mfg Morrisons Llanelli (SA14 9UZ)24hPemberton Retail Park, Llanelli, Carmarthenshire | 3.7 miles | £7.72169.9p | £8.77192.9p | £8.45185.9p | ---- | 47 mins ago |
 Mfg Conway (Swansea) (SA5 8AQ)Pentregethin Road, Penlan, Swansea | 4.1 miles | £7.91173.9p | £9.00197.9p | £8.45185.9p | £9.54209.9p | 47 mins ago |
| Mfg Panteg (SA15 3TF)Panteg Road, Panteg, Llanelli | 4.6 miles | £7.81171.9p | £8.91195.9p | £8.45185.9p | £9.54209.9p | 47 mins ago |
| Gowerton Esso Express (SA4 3EZ)62 Bryn-y-mor RD, Swansea | 1.6 miles | £7.91173.9p | £9.00197.9p | £8.59188.9p | £9.63211.9p | 47 mins ago |
 Southview Service Station (SA4 4DQ)South View Garage, Gorseinon Road, Gorseinon, Abertawe | 0.8 miles | £7.72169.9p | £8.72191.9p | £8.63189.9p | ---- | 47 mins ago |
 Vst Bryn Gelli Services (SA14 9AD)24hVst Bryn Gelli Services, Gelli Road, Llanelli | 3.1 miles | £7.72169.9p | £8.77192.9p | £8.63189.9p | ---- | 47 mins ago |
| Mfg Dunvant (SA2 7QT)Goetre Fawr Road, Dunvant / Swansea, West Glamorgan | 3.7 miles | £7.91173.9p | £9.09199.9p | £8.63189.9p | £9.82215.9p | 47 mins ago |
 Eg Swansea Carmarthen Pfs (SA5 4AN)24h1093 Carmarthen Road, Fforestfach, Swansea, Swansea | 3.3 miles | £7.81171.9p | £8.91195.9p | £8.77192.9p | ---- | 47 mins ago |
| Tgc - Eagle (SA5 9AX)24hLlangyfelach Road, Treboath, Swansea | 4.4 miles | £7.91173.9p | £9.00197.9p | £8.86194.9p | ---- | 47 mins ago |
 Shell Sketty (SA2 9BZ)76-78 Gower Road, Sketty, West Glamorgan | 4.7 miles | £8.00175.9p | £9.00197.9p | £8.86194.9p | £10.00219.9p | 47 mins ago |
| Pontarddulais Service Station (SA4 8TH)12A, ST. Teilo Street, Pontarddulais, Abertawe | 2.9 miles | £8.00175.9p | £9.09199.9p | £9.04198.9p | £9.59210.9p | 47 mins ago |
| Dafen Service Station (SA14 8NS)24hDafen Service Station Ltd, Dafen Service Station, Industrial Estate, Dafen, Llanelli | 3.7 miles | £8.00175.9p | £9.09199.9p | £9.04198.9p | £9.59210.9p | 47 mins ago |
 Swansea Service Area (SA4 9GT)24hMotorwaySwansea Service Area, M4 J47, Swansea, West Glamorgan | 2.3 miles | £8.95196.9p | £9.91217.9p | £9.77214.9p | £10.72235.9p | 47 mins ago |
Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes. Only stations reporting premium unleaded (E5) appear here.
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Questions about premium unleaded (E5) near SA4
- Where is the cheapest premium unleaded (E5) near SA4?
- The cheapest reported premium unleaded (E5) near SA4 is 179.9p per litre at Tesco, Tesco Stores Ltd, Trostre Retail Park, Llanelli (SA14 9UY). The average across 17 forecourts reporting this grade is 190.8p per litre. Prices were last refreshed at 3:02pm on 20 September 2026 from official UK Government fuel price data.
- How many stations near SA4 sell premium unleaded (E5)?
- 17 forecourts near SA4 currently report a price for premium unleaded (E5) through the official UK fuel price open data scheme. Stations that do not sell or report this grade are not counted.