Compare BP petrol and diesel prices across forecourts in and around Welwyn Garden City, Hertfordshire. Cheapest unleaded from 173.9p, diesel from 198.9p. Updated today, 23 October 2026.
| Forecourt | Unleaded | Diesel | Distance |
|---|---|---|---|
| Welham Green WELHAM GREEN SERVICE STATION |
173.9p | 198.9p | 4.4 mi |
| NODEWAY SF CONNECT WELWYN BY-PASS |
176.9p | 199.9p | 2 mi |