Motorway service station pumps charge ~189.9p/L. Exit at Junction 21 (Bricket Wood Interchange / Luton M1) and drive just 3.1 miles off the slip road to refuel from 164.9p (saving 25.0p per litre).
| Forecourt | Unleaded | Diesel | Off Slip Road |
|---|---|---|---|
| COSTCO WHOLESALE - COSTCO WHOLESALE WATFORD HARTSPRING LANE |
164.9p | 184.9p | 3.1 mi |
| ASDA - ASDA WATFORD SUPERCENTRE ODHAMS INDUSTRIAL ESTATE, ST ALBANS ROAD |
167.7p | 187.7p | 1.7 mi |
| SAINSBURY'S - SAINSBURYS DOME ROUNDABOUT COW LANE |
167.9p | 187.9p | 1.7 mi |
| ESSO - RONTEC WATFORD ST ALBANS ROAD |
168.9p | 188.9p | 2.6 mi |
| SHELL - SHELL LITTLE WAITROSE SCEPTRE ST ALBANS ROAD |
171.9p | 191.9p | 1.7 mi |
| ASDA - ASDA SHEEPCOT EXPRESS PETROL NORTH ORBITAL ROAD |
172.9p | 197.9p | 1.1 mi |
| ESSO - MFG PRIMROSE PRIMROSE HILL |
172.9p | 199.9p | 2.5 mi |
| VALERO - PGG KINGS LANGLEY 124 HEMPSTEAD ROAD |
173.9p | 201.9p | 3.2 mi |
| SAINSBURY'S - SAINSBURYS ST ALBANS EVERARD CLOSE |
174.9p | 198.9p | 3.2 mi |
| HARVEST - EG CLASSIC PFS 1 OLD WATFORD ROAD |
175.9p | 199.9p | 0.7 mi |