Question 1

What fuel types are sold in SL9?

Accepted Answer

Forecourts in SL9 that publish to the national feed list Super Unleaded (E5), Unleaded (E10), Diesel (B7) and Premium Diesel. Not every station carries every grade — use the cheapest-by-fuel sections above to see which forecourt has the variant you need.

Question 2

What's the average price of super unleaded (E5) in SL9?

Accepted Answer

Super Unleaded (E5) in SL9 is averaging 189.9p per litre across the forecourts publishing to the national feed, with the cheapest at 186.9p and the priciest at 192.9p.

Question 3

What's the average price of unleaded (E10) in SL9?

Accepted Answer

Unleaded (E10) in SL9 is averaging 171.9p per litre across the forecourts publishing to the national feed, with the cheapest at 171.9p and the priciest at 171.9p.

Question 4

What's the average price of diesel (B7) in SL9?

Accepted Answer

Diesel (B7) in SL9 is averaging 199.4p per litre across the forecourts publishing to the national feed, with the cheapest at 198.9p and the priciest at 199.9p.

Question 5

What's the average price of premium diesel in SL9?

Accepted Answer

Premium Diesel in SL9 is averaging 216.9p per litre across the forecourts publishing to the national feed, with the cheapest at 212.9p and the priciest at 220.9p.

Question 6

Where can I get the cheapest super unleaded (E5) in SL9?

Accepted Answer

ESSO CHALFONT ST PETER ESSO EXPRESS (GERRARDS CROSS, SL9 0NP) is currently the cheapest super unleaded (E5) in SL9 at 186.9p per litre, with the price last updated 29 Oct. Tap the "Cheapest super unleaded (E5)" section above for the full ranking.

Question 7

Where can I get the cheapest unleaded (E10) in SL9?

Accepted Answer

ESSO CHALFONT ST PETER ESSO EXPRESS (GERRARDS CROSS, SL9 0NP) is currently the cheapest unleaded (E10) in SL9 at 171.9p per litre, with the price last updated 29 Oct. Tap the "Cheapest unleaded (E10)" section above for the full ranking.

Question 8

Where can I get the cheapest diesel (B7) in SL9?

Accepted Answer

ESSO CHALFONT ST PETER ESSO EXPRESS (GERRARDS CROSS, SL9 0NP) is currently the cheapest diesel (B7) in SL9 at 198.9p per litre, with the price last updated 29 Oct. Tap the "Cheapest diesel (B7)" section above for the full ranking.

Question 9

Where can I get the cheapest premium diesel in SL9?

Accepted Answer

ESSO CHALFONT ST PETER ESSO EXPRESS (GERRARDS CROSS, SL9 0NP) is currently the cheapest premium diesel in SL9 at 212.9p per litre, with the price last updated 29 Oct. Tap the "Cheapest premium diesel" section above for the full ranking.

Question 10

Which forecourts sell super unleaded (E5) in SL9?

Accepted Answer

Super Unleaded (E5) is only stocked by 2 forecourts in SL9: CHALFONT ST PETER ESSO EXPRESS and GERRARDS CROSS SF CONNECT.

Question 11

Which forecourts sell premium diesel in SL9?

Accepted Answer

Premium Diesel is only stocked by 2 forecourts in SL9: CHALFONT ST PETER ESSO EXPRESS and GERRARDS CROSS SF CONNECT.

Question 12

How often are fuel prices in SL9 updated?

Accepted Answer

UK retailers must publish any pump-price change to the CMA-mandated national feed within 30 minutes. FuelFox re-polls that feed every 30 minutes too, so a price you see is at most about an hour old and usually fresher. Each forecourt card shows a freshness pill — tap it for the exact update time.

Fuel prices in SL9

By fuel type

Cheapest super unleaded (E5) in SL9

Cheapest unleaded (E10) in SL9

Cheapest diesel (B7) in SL9

Cheapest premium diesel in SL9

FAQ

Fuel	Cheapest	Average	Highest
Super Unleaded (E5)	186.9p	189.9p	192.9p
Unleaded (E10)	171.9p	171.9p	171.9p
Diesel (B7)	198.9p	199.4p	199.9p
Premium Diesel	212.9p	216.9p	220.9p