Here are details on the services on the A36, starting at Bath and ending at Southampton. Also on Motorway Services Online: Services on the M27, A27, A46 and the A303.
Beckington
No HGVs.
Between Bath and Warminster, Avon, BA11 6SF. [Google Maps link]
Also accessible to traffic on the A361.
Operator: Star Service Stations
Facilities: Little Chef (with: WiFi), Texaco, Smile Local (with Costa Express), Travelodge[book rooms]
Services type: Single site located at a junction.
Notes: none.
Warminster
Full details: Warminster
A former Granada service area on the Warminster Bypass.
West Wellow
Between Salisbury and Southampton, Hampshire, SO51 6AS. [Google Maps link]
Also accessible to traffic on the M27 and the A3090.
Operator: Co-Operative
Facilities: McDonald's (with: Drive Thru & WiFi), The Co-Operative Food, Texaco (with: Costa Express, pumps include FloGas LPG)
Services type: Single site located at a junction.
Notes: Close to J2 of the M27. There are a couple of houses right behind the services which are only accessible by driving through them.
This site is open 24hrs (including McDonalds)