Live prices
Cheapest petrol and diesel near HP21
11 forecourts within 5 miles of the centre of the HP21 postcode district, 2 of them inside HP21 itself.
The cheapest reported unleaded petrol (E10) within 5 miles of the centre of HP21 is £7.54 a gallon (165.9p per litre) at BP Aylesbury Service Station, Kartik B P Service Station, 76, Bicester Road, Aylesbury (HP19 8AL). The average across 11 forecourts currently reporting this grade is £7.69 a gallon (169.2p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £1.65 on a 50-litre fill. That local average is 3.3p per litre below the UK average of 172.5p.
The average has fallen 0.7p per litre since yesterday. The average has risen 0.8p per litre since last week.
Prices last refreshed at 12:31am on 21 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.00/gal175.9p/L
- Average
- £7.69/gal169.2p/L
- Lowest
- £7.54/gal165.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.13/gal200.9p/L
- Average
- £8.87/gal195.1p/L
- Lowest
- £8.63/gal189.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £9.09/gal199.9p/L
- Average
- £8.53/gal187.6p/L
- Lowest
- £8.00/gal175.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.22/gal224.9p/L
- Average
- £9.85/gal216.7p/L
- Lowest
- £9.36/gal205.9p/L
Every station near HP21, cheapest unleaded first
| Station | Distance | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|---|
 BP Aylesbury Service Station (HP19 8AL)24hKartik B P Service Station, 76, Bicester Road, Aylesbury | 1.3 miles | £7.54165.9p | £8.91195.9p | £8.00175.9p | £9.36205.9p | 15h ago |
 Sainsburys Aylesbury Gatehouse (HP19 8EH)23 Gatehouse Road, Aylesbury | 1.4 miles | £7.54165.9p | £8.63189.9p | ---- | ---- | 15h ago |
 Aylesbury Tring Rd Superstore - Petrol Filling Station (HP20 1PQ)24hTesco Stores Ltd, Tring Road, Aylesbury | 0.8 miles | £7.54165.9p | £8.77192.9p | £8.04176.9p | ---- | 15h ago |
 Eg Aylesbury Pfs (HP19 9BB)24hBicester Road, Aylesbury, Buckinghamshire | 1.5 miles | £7.54165.9p | £8.77192.9p | £8.45185.9p | ---- | 15h ago |
| Gibbs Garages (HP22 5XL)24hHighfield Service Station, Risborough Road, Stoke Mandeville, Aylesbury, Buckinghamshire | 2.5 miles | £7.54165.9p | £8.63189.9p | £8.04176.9p | ---- | 15h ago |
 Asda Borough Express Petrol (HP21 9LB)24hWendover Road, Aylesbury | 0.3 miles | £7.63167.9p | £8.77192.9p | £8.50186.9p | ---- | 15h ago |
 Stone Service Station (HP17 8PD)24hStone Service Station, Oxford Road, Stone, Aylesbury, HP17 8PD, Aylesbury | 2.2 miles | £7.71169.7p | £8.85194.7p | ---- | ---- | 15h ago |
| Ascona Adam's Corner Service Station (HP20 1JJ)24hOakfield Road, Aylesbury, Aylesbury, Buckinghamshire | 1 mile | £7.81171.9p | £9.00197.9p | £9.09199.9p | £10.00219.9p | 15h ago |
| Mfg Aylesbury (HP21 7UD)24hCamborne Avenue, Aylesbury, Buckinghamshire | 0.9 miles | £7.81171.9p | £9.00197.9p | £8.63189.9p | £9.82215.9p | 15h ago |
| Eg Wendover Pfs (HP22 6LB)Aylesbury Road, Wendover, Buckinghamshire | 3.7 miles | £7.91173.9p | £9.13200.9p | £8.91195.9p | ---- | 15h ago |
 Shell Co-op Aston Clinton (HP22 5AH)62-64 Aylesbury Road, Aylesbury, Buckinghamshire | 3.1 miles | £8.00175.9p | £9.09199.9p | £9.09199.9p | £10.22224.9p | 15h ago |
The market shown is a fixed 5-mile radius from the centre of the HP21 postcode district. Not every station reports every fuel grade, so grade averages state how many stations they cover. Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes.
Search a full postcode
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
By fuel grade near HP21
Worth the drive?
Filling 50 litres at the cheapest reported station rather than an average-priced one saves about £1.65 today.
Questions about fuel prices near HP21
- Where is the cheapest petrol near HP21?
- The cheapest reported unleaded petrol (E10) within 5 miles of the centre of HP21 is 165.9p per litre at BP Aylesbury Service Station, Kartik B P Service Station, 76, Bicester Road, Aylesbury (HP19 8AL). The local average is 169.2p across 11 forecourts reporting this grade. Prices were last refreshed at 12:31am on 21 September 2026 from official UK Government fuel price data.
- Where is the cheapest diesel near HP21?
- The cheapest reported diesel (B7) within 5 miles of the centre of HP21 is 189.9p per litre at Sainsbury's, 23 Gatehouse Road, Aylesbury (HP19 8EH). The local average is 195.1p per litre.
- How often are fuel prices in HP21 updated?
- Prices are supplied by fuel retailers through the official UK Government fuel price open data scheme and checked every 30 minutes. Each station row shows when its price was last recorded.