Asda

Asda Observatory Express Petrol fuel prices in London

Current petrol and diesel prices, opening times, directions and nearby alternatives for Asda Observatory Express Petrol in London.

520-522 Watford Way, London, NW7 2PT · 8.9 miles from London town centre

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

Prices checked 20 Oct 2026, 08:40

PetrolDiesel

Current station prices

Petrol

Diesel

Super unleaded

Premium diesel

Prices checked 20 Oct 2026, 08:40

Station verdict

Good for petrol.

E10 is 1.5p below the London average and ranks 62nd of 244. That makes this a good place to fill up with petrol.

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Nearby comparison

Nearby fuel prices in London

This station and nearby alternatives, ordered by petrol price, lowest first. Prices checked 20 Oct 2026, 08:40. Select a heading to sort without changing the table layout.

Nearby fuel prices in London. This station and nearby alternatives, ordered by petrol price, lowest first.
Forecourt	Petrol	Diesel	Super unleaded	Premium diesel	Distance
Deansbrook GarageDEANSBROOK GARAGE, 130, HALE LANE, EDGWARE, HA8 9RZ, Edgware, HA8 9RZReported 9 Oct 2026, 11:17	169.7p/lSave 3.2p/l	196.7p/lSave 3.2p/l	179.7p/lSave 12.2p/l	Unavailable	0.8 milesSave 12.2p/l best
Borehamwood Extra - Petrol Filling StationTESCO STORES LTD, Borehamwood, WD6 1JGReported 15 Oct 2026, 15:10	169.9p/lSave 3p/l	194.9p/lSave 5p/l	179.9p/lSave 12p/l	Unavailable	3.0 milesSave 12p/l best
Barnet Esso Express186 EAST BARNET, Barnet, EN4 8QXReported 16 Oct 2026, 15:06	169.9p/lSave 3p/l	197.9p/lSave 2p/l	184.9p/lSave 7p/l	Unavailable	3.8 milesSave 7p/l best
Colney Hatch Extra - Petrol Filling StationTESCO STORES LTD, COPPETTS CENTRE, London, N12 0SHReported 15 Oct 2026, 15:13	171.9p/lSave 1p/l	197.9p/lSave 2p/l	182.9p/lSave 9p/l	Unavailable	3.8 milesSave 9p/l best
Asda Observatory Express Petrol520-522 Watford Way, London, NW7 2PTThis stationReported 8 Oct 2026, 23:06	172.9p/l	199.9p/l	191.9p/l	Unavailable	0 mi
Brent Cross Hendon Way Superstore - Petrol Filling StationTILLING RD, London, NW2 1LZReported 14 Oct 2026, 19:16	174.9p/l	199.9p/l	184.9p/lSave 7p/l	Unavailable	3.1 milesSave 7p/l best

Plan your stop

Station information

Opening times, address, listed amenities and map for Asda Observatory Express Petrol.

Directions View larger map All London prices

24 hours daily

Monday - Sunday: 24 hours
Bank holidays: 24 hours

Address

520-522 Watford Way, London, NW7 2PT

8.9 miles from London town centre

Get directions

Amenities

Packaged AdBlue
Twenty Four Hour Fuel

Station identity

Brand family: Asda
Fuel brand: Esso
Retail banner: Asda Express
Station type: Convenience store
Location: London, London

Compare Asda fuel prices

Price context

Detailed current price comparison

At Asda Observatory Express Petrol, the latest reported prices are compared with the London, regional and UK averages below.

All fuel prices in London 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	London rank	Current	30-day avg	London avg	Regional avg	UK avg	30-day trend
Petrol (E10)	62nd of 244 in London	172.9p/l	173.6p/l	174.4p/l	174.6p/l	174.1p/l	Petrol (E10) 30-day trend: No change
Diesel (B7)	78th of 240 in London	199.9p/l	201p/l	200.2p/l	200.4p/l	199.1p/l	Diesel (B7) 30-day trend: 1p/l down
Super unleaded (E5)	75th of 227 in London	191.9p/l	192.6p/l	194p/l	194.1p/l	191.9p/l	Super unleaded (E5) 30-day trend: No change
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 Asda Observatory Express Petrol, current comparable prices place Petrol (E10), Diesel (B7) and Super unleaded (E5) below the London average.

Petrol is currently the 62nd cheapest of 244 ranked forecourts in London, at 172.9p/l. It is 1.5p/l cheaper than the London average, 1.7p/l cheaper than the regional average and 1.2p/l cheaper than the UK average.
Diesel is currently the 78th cheapest of 240 ranked forecourts in London, at 199.9p/l. It is 0.3p/l cheaper than the London average, 0.5p/l cheaper than the regional average and 0.8p/l more expensive than the UK average.
Super unleaded is currently the 75th cheapest of 227 ranked forecourts in London, at 191.9p/l. It is 2.1p/l cheaper than the London average, 2.2p/l cheaper than the regional average and in line with the UK average.

Price movement

30-day price history at this station

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

E10

Petrol price history

177p174p171p

Sunday, 20 September 2026: station 172.9p/l; local 173.1p/l; regional 173.3p/l; UK 172.5p/l.
Monday, 21 September 2026: station 172.9p/l; local 173.4p/l; regional 173.5p/l; UK 172.8p/l.
Tuesday, 22 September 2026: station 172.9p/l; local 173.5p/l; regional 173.7p/l; UK 173p/l.
Wednesday, 23 September 2026: station 172.9p/l; local 173.7p/l; regional 173.8p/l; UK 173.3p/l.
Thursday, 24 September 2026: station 172.9p/l; local 174p/l; regional 174.1p/l; UK 173.6p/l.
Friday, 25 September 2026: station 172.9p/l; local 174.2p/l; regional 174.3p/l; UK 173.9p/l.
Saturday, 26 September 2026: station 173.9p/l; local 174.3p/l; regional 174.4p/l; UK 174p/l.
Sunday, 27 September 2026: station 173.9p/l; local 174.4p/l; regional 174.5p/l; UK 174.1p/l.
Monday, 28 September 2026: station 174.9p/l; local 174.6p/l; regional 174.7p/l; UK 174.4p/l.
Tuesday, 29 September 2026: station 174.9p/l; local 174.9p/l; regional 174.9p/l; UK 174.5p/l.
Wednesday, 30 September 2026: station 174.9p/l; local 174.9p/l; regional 174.9p/l; UK 174.6p/l.
Thursday, 1 October 2026: station 174.9p/l; local 174.8p/l; regional 174.9p/l; UK 174.6p/l.
Friday, 2 October 2026: station 174.9p/l; local 175p/l; regional 175.1p/l; UK 174.7p/l.
Saturday, 3 October 2026: station 174.9p/l; local 175p/l; regional 175.1p/l; UK 174.8p/l.
Sunday, 4 October 2026: station 174.9p/l; local 175p/l; regional 175.1p/l; UK 174.8p/l.
Monday, 5 October 2026: station 174.9p/l; local 175p/l; regional 175.1p/l; UK 174.8p/l.
Tuesday, 6 October 2026: station 174.9p/l; local 175p/l; regional 175.1p/l; UK 174.7p/l.
Wednesday, 7 October 2026: station 174.9p/l; local 175p/l; regional 175.1p/l; UK 174.7p/l.
Thursday, 8 October 2026: station 172.9p/l; local 175p/l; regional 175.1p/l; UK 174.6p/l.
Friday, 9 October 2026: station 172.9p/l; local 174.9p/l; regional 175.1p/l; UK 174.6p/l.
Saturday, 10 October 2026: station 172.9p/l; local 174.9p/l; regional 175.1p/l; UK 174.6p/l.
Sunday, 11 October 2026: station 172.9p/l; local 174.9p/l; regional 175.1p/l; UK 174.6p/l.
Monday, 12 October 2026: station 172.9p/l; local 174.9p/l; regional 175p/l; UK 174.5p/l.
Tuesday, 13 October 2026: station 172.9p/l; local 174.7p/l; regional 174.9p/l; UK 174.4p/l.
Wednesday, 14 October 2026: station 172.9p/l; local 174.6p/l; regional 174.7p/l; UK 174.3p/l.
Thursday, 15 October 2026: station 172.9p/l; local 174.6p/l; regional 174.7p/l; UK 174.2p/l.
Friday, 16 October 2026: station 172.9p/l; local 174.5p/l; regional 174.7p/l; UK 174.2p/l.
Saturday, 17 October 2026: station 172.9p/l; local 174.5p/l; regional 174.7p/l; UK 174.1p/l.
Sunday, 18 October 2026: station 172.9p/l; local 174.5p/l; regional 174.7p/l; UK 174.1p/l.
Monday, 19 October 2026: station 172.9p/l; local 174.4p/l; regional 174.6p/l; UK 174.1p/l.

Current station price

172.9p/l

Petrol at this station ended the period broadly where it started, moving from 172.9p/l on 20 September to 172.9p/l on 19 October. The latest 7 days were steadier, with the average little changed since 12 October. The current 172.9p/l price is 1.5p/l below the London average, 1.7p/l below the London average and 1.2p/l below the UK average. Its 30-day station average was 173.6p/l.

30-day station avg: 173.6p/l
London avg: 174.4p/l
London avg: 174.6p/l
UK avg: 174.1p/l

20 Sept to 19 Oct

Diesel price history

203p199p195p

Sunday, 20 September 2026: station 200.9p/l; local 197.3p/l; regional 197.4p/l; UK 196.3p/l.
Monday, 21 September 2026: station 200.9p/l; local 197.9p/l; regional 198p/l; UK 196.9p/l.
Tuesday, 22 September 2026: station 200.9p/l; local 198.2p/l; regional 198.2p/l; UK 197.3p/l.
Wednesday, 23 September 2026: station 201.9p/l; local 198.5p/l; regional 198.5p/l; UK 197.7p/l.
Thursday, 24 September 2026: station 201.9p/l; local 199p/l; regional 199.1p/l; UK 198.3p/l.
Friday, 25 September 2026: station 201.9p/l; local 199.5p/l; regional 199.5p/l; UK 198.8p/l.
Saturday, 26 September 2026: station 201.9p/l; local 199.7p/l; regional 199.8p/l; UK 199.1p/l.
Sunday, 27 September 2026: station 201.9p/l; local 199.9p/l; regional 199.9p/l; UK 199.2p/l.
Monday, 28 September 2026: station 201.9p/l; local 200.1p/l; regional 200.2p/l; UK 199.6p/l.
Tuesday, 29 September 2026: station 201.9p/l; local 200.5p/l; regional 200.5p/l; UK 199.8p/l.
Wednesday, 30 September 2026: station 201.9p/l; local 200.6p/l; regional 200.6p/l; UK 199.8p/l.
Thursday, 1 October 2026: station 201.9p/l; local 200.7p/l; regional 200.7p/l; UK 199.8p/l.
Friday, 2 October 2026: station 201.9p/l; local 200.8p/l; regional 200.9p/l; UK 199.9p/l.
Saturday, 3 October 2026: station 201.9p/l; local 200.9p/l; regional 201p/l; UK 200p/l.
Sunday, 4 October 2026: station 201.9p/l; local 200.9p/l; regional 201p/l; UK 200p/l.
Monday, 5 October 2026: station 201.9p/l; local 200.9p/l; regional 201p/l; UK 200p/l.
Tuesday, 6 October 2026: station 201.9p/l; local 200.8p/l; regional 200.9p/l; UK 199.9p/l.
Wednesday, 7 October 2026: station 201.9p/l; local 200.9p/l; regional 200.9p/l; UK 199.8p/l.
Thursday, 8 October 2026: station 199.9p/l; local 200.7p/l; regional 200.8p/l; UK 199.7p/l.
Friday, 9 October 2026: station 199.9p/l; local 200.9p/l; regional 201p/l; UK 199.7p/l.
Saturday, 10 October 2026: station 199.9p/l; local 200.9p/l; regional 201p/l; UK 199.7p/l.
Sunday, 11 October 2026: station 199.9p/l; local 200.9p/l; regional 201p/l; UK 199.7p/l.
Monday, 12 October 2026: station 199.9p/l; local 200.9p/l; regional 201p/l; UK 199.6p/l.
Tuesday, 13 October 2026: station 199.9p/l; local 200.5p/l; regional 200.7p/l; UK 199.4p/l.
Wednesday, 14 October 2026: station 199.9p/l; local 200.4p/l; regional 200.5p/l; UK 199.3p/l.
Thursday, 15 October 2026: station 199.9p/l; local 200.3p/l; regional 200.4p/l; UK 199.2p/l.
Friday, 16 October 2026: station 199.9p/l; local 200.2p/l; regional 200.4p/l; UK 199.1p/l.
Saturday, 17 October 2026: station 199.9p/l; local 200.2p/l; regional 200.4p/l; UK 199.1p/l.
Sunday, 18 October 2026: station 199.9p/l; local 200.2p/l; regional 200.4p/l; UK 199.1p/l.
Monday, 19 October 2026: station 199.9p/l; local 200.2p/l; regional 200.4p/l; UK 199.1p/l.

Current station price

199.9p/l

Diesel at this station fell 1p/l, from 200.9p/l on 20 September to 199.9p/l on 19 October. The fall was not continuous: prices briefly rose 1p/l from 22 September to 23 September before moving lower again. The current 199.9p/l price is 0.3p/l below the London average, 0.5p/l below the London average and 0.8p/l above the UK average. Its 30-day station average was 201p/l.

30-day station avg: 201p/l
London avg: 200.2p/l
London avg: 200.4p/l
UK avg: 199.1p/l

20 Sept to 19 Oct

Super unleaded price history

196p192p188p

Sunday, 20 September 2026: station 191.9p/l; local 191.6p/l; regional 191.8p/l; UK 189.5p/l.
Monday, 21 September 2026: station 191.9p/l; local 191.9p/l; regional 192p/l; UK 189.7p/l.
Tuesday, 22 September 2026: station 191.9p/l; local 192.1p/l; regional 192.2p/l; UK 189.9p/l.
Wednesday, 23 September 2026: station 191.9p/l; local 192.1p/l; regional 192.2p/l; UK 190.1p/l.
Thursday, 24 September 2026: station 191.9p/l; local 192.2p/l; regional 192.3p/l; UK 190.3p/l.
Friday, 25 September 2026: station 191.9p/l; local 192.4p/l; regional 192.5p/l; UK 190.5p/l.
Saturday, 26 September 2026: station 192.9p/l; local 192.5p/l; regional 192.6p/l; UK 190.6p/l.
Sunday, 27 September 2026: station 192.9p/l; local 192.5p/l; regional 192.6p/l; UK 190.7p/l.
Monday, 28 September 2026: station 193.9p/l; local 193.6p/l; regional 193.8p/l; UK 191.6p/l.
Tuesday, 29 September 2026: station 193.9p/l; local 194p/l; regional 194.2p/l; UK 192p/l.
Wednesday, 30 September 2026: station 193.9p/l; local 194.1p/l; regional 194.2p/l; UK 192.1p/l.
Thursday, 1 October 2026: station 193.9p/l; local 194.1p/l; regional 194.2p/l; UK 192.2p/l.
Friday, 2 October 2026: station 193.9p/l; local 194.1p/l; regional 194.3p/l; UK 192.2p/l.
Saturday, 3 October 2026: station 193.9p/l; local 194.2p/l; regional 194.3p/l; UK 192.3p/l.
Sunday, 4 October 2026: station 193.9p/l; local 194.2p/l; regional 194.4p/l; UK 192.3p/l.
Monday, 5 October 2026: station 193.9p/l; local 194.1p/l; regional 194.4p/l; UK 192.3p/l.
Tuesday, 6 October 2026: station 193.9p/l; local 194.1p/l; regional 194.3p/l; UK 192.2p/l.
Wednesday, 7 October 2026: station 193.9p/l; local 194.1p/l; regional 194.3p/l; UK 192.2p/l.
Thursday, 8 October 2026: station 191.9p/l; local 194p/l; regional 194.2p/l; UK 192.1p/l.
Friday, 9 October 2026: station 191.9p/l; local 194p/l; regional 194.2p/l; UK 192.1p/l.
Saturday, 10 October 2026: station 191.9p/l; local 194p/l; regional 194.2p/l; UK 192.1p/l.
Sunday, 11 October 2026: station 191.9p/l; local 194.1p/l; regional 194.2p/l; UK 192.1p/l.
Monday, 12 October 2026: station 191.9p/l; local 194.2p/l; regional 194.4p/l; UK 192.2p/l.
Tuesday, 13 October 2026: station 191.9p/l; local 194.1p/l; regional 194.3p/l; UK 192.1p/l.
Wednesday, 14 October 2026: station 191.9p/l; local 194.1p/l; regional 194.2p/l; UK 192p/l.
Thursday, 15 October 2026: station 191.9p/l; local 194.1p/l; regional 194.2p/l; UK 192p/l.
Friday, 16 October 2026: station 191.9p/l; local 194p/l; regional 194.2p/l; UK 192p/l.
Saturday, 17 October 2026: station 191.9p/l; local 194p/l; regional 194.2p/l; UK 192p/l.
Sunday, 18 October 2026: station 191.9p/l; local 194p/l; regional 194.2p/l; UK 192p/l.
Monday, 19 October 2026: station 191.9p/l; local 194p/l; regional 194.1p/l; UK 191.9p/l.

Current station price

191.9p/l

Super unleaded at this station ended the period broadly where it started, moving from 191.9p/l on 20 September to 191.9p/l on 19 October. The latest 7 days were steadier, with the average little changed since 12 October. The current 191.9p/l price is 2.1p/l below the London average, 2.2p/l below the London average and in line with the UK average. Its 30-day station average was 192.6p/l.

30-day station avg: 192.6p/l
London avg: 194p/l
London avg: 194.1p/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 London 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 Asda Observatory Express Petrol

Use this page to compare prices at Asda Observatory Express Petrol with current London 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.

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Good to know

FAQs for Asda Observatory Express Petrol

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

What are the current fuel prices at Asda Observatory Express Petrol?

Asda Observatory Express Petrol currently reports Petrol (E10) at 172.9p/l, Diesel (B7) at 199.9p/l and Super unleaded (E5) at 191.9p/l. The latest price observation on this page was 8 Oct 2026, 23:06.

Is Asda Observatory Express Petrol cheap for petrol and diesel in London?

Yes. Current petrol and diesel prices are both below the London averages. Petrol ranks 62nd of 244 current prices in London, and the price is 1.5p/l below the London average. Diesel ranks 78th of 240 current prices in London, and the price is 0.3p/l below the London average. Compare all current forecourt prices in London.

What are the opening times for Asda Observatory Express Petrol?

Asda Observatory Express Petrol reports opening hours of 24 hours daily. Bank holiday and temporary opening hours may differ.

Where is Asda Observatory Express Petrol?

Asda Observatory Express Petrol is at 520-522 Watford Way, London, NW7 2PT. It is listed as a convenience store in London. Get directions to Asda Observatory Express Petrol.

Which fuel types are available at Asda Observatory Express Petrol?

Asda Observatory Express Petrol is listed as offering Petrol (E10), Diesel (B7) and Super unleaded (E5).

How up to date are fuel prices at Asda Observatory Express Petrol?

The latest price observation shown for Asda Observatory Express Petrol was 8 Oct 2026, 23:06. 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 Asda Observatory Express Petrol?

Listed facilities at Asda Observatory Express Petrol include Packaged AdBlue and Twenty Four Hour Fuel. Facility availability and access hours may differ from the forecourt's opening times.

Does Asda Observatory Express Petrol have toilets?

Toilets are not listed in the available facilities data for Asda Observatory Express Petrol, 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, 08:40.

3 current prices · 3 fuel grades stocked · Convenience store

How we source fuel prices