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Live Station Prices

Asda Observatory Express Petrol

520-522 Watford Way, Greater London NW7 2PT

Checked 10 September 2026 · last price change 07 September 2026 · retailers report changes within 30 minutes
7-day trend: Unleaded ▲ 3.0p · 7d · Diesel ▲ 4.0p · 7d
UNLEADED
169.9p
vs 5 stations within 3 miles
▲ 3.0p · 7d
Last changed 05 Sep
DIESEL
191.9p
vs 5 stations within 3 miles
▲ 4.0p · 7d
Last changed 07 Sep
Super Unleaded188.9p
Cheaper Than the Local AverageFilling a 55-litre tank here saves about £1.63 versus the average of 5 stations within 3 miles.
Unleaded (E10) at Asda Observatory Express Petrol is 169.9p per litre, 0.2p above the Greater London average of 169.7p, the 4th cheapest of 10 stations in Greater London. Diesel is 191.9p, 2.7p above the UK average of 189.2p. Prices last reported by the retailer on 07 September 2026.
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How This Station Compares

Local rank (Greater London)4th cheapest of 10
vs Greater London average (unleaded)+0.2p higher
vs UK average (unleaded)+2.2p higher
vs UK average (diesel)+2.7p higher

Nearby Stations

0.7 MISet 08 Sep · Checked today
Shell Apex Corner, NW7 3ET
UNLEADED
167.9p
DIESEL
190.9p
Unleaded 2.0p/L cheaper than this station · save £1.10 a tank
0.7 MISet 08 Sep · Checked today
BP Watford Way (a1), NW7 2ET
UNLEADED
171.9p
DIESEL
193.9p
Unleaded 2.0p/L more than this station · £1.10 extra a tank
0.8 MISet 09 Sep · Checked today
Jet Deansbrook Garage, 130, Hale Lane, Edgware, Ha8 9rz, HA8 9RZ
UNLEADED
163.7p
DIESEL
185.7p
Unleaded 6.2p/L cheaper than this station · save £3.41 a tank
1.5 MISet 07 Sep · Checked today
Welcome Break Motorway Services, NW7 3HU
UNLEADED
189.9p
DIESEL
209.9p
Unleaded 20.0p/L more than this station · £11.00 extra a tank
1.6 MISet 07 Sep · Checked today
Shell 421 Edgware Road, NW9 0HS
UNLEADED
170.9p
DIESEL
193.9p
Unleaded 1.0p/L more than this station · £0.55 extra a tank

Facilities

AdBlue (packaged)24-hour fuel

Opening Hours

monday00:00 – 23:59
tuesday00:00 – 23:59
wednesday00:00 – 23:59
thursday00:00 – 23:59
friday00:00 – 23:59
saturday00:00 – 23:59
sunday00:00 – 23:59

Price History

Over the past 29 days, unleaded at this station has risen 4.0p (165.9p to 169.9p), while the UK average has risen 6.2p.

This stationUK average
10 Sep 2026169.9p
09 Sep 2026169.9p
08 Sep 2026169.9p
07 Sep 2026169.9p
06 Sep 2026169.9p▲ 1.0
05 Sep 2026168.9p
04 Sep 2026168.9p▲ 2.0
03 Sep 2026166.9p
02 Sep 2026166.9p
01 Sep 2026166.9p
31 Aug 2026166.9p
30 Aug 2026166.9p
29 Aug 2026166.9p
28 Aug 2026166.9p
27 Aug 2026166.9p
26 Aug 2026166.9p
25 Aug 2026166.9p
24 Aug 2026166.9p
23 Aug 2026166.9p
22 Aug 2026166.9p▲ 1.0
21 Aug 2026165.9p
20 Aug 2026165.9p
19 Aug 2026165.9p
18 Aug 2026165.9p
17 Aug 2026165.9p
16 Aug 2026165.9p
15 Aug 2026165.9p
14 Aug 2026165.9p
13 Aug 2026165.9p
12 Aug 2026165.9p
Compare All Greater London Stations