Protheros Garage Ltd | Favorite About Protheros Garage Ltd is a MOT Service Center in Steeple Morden. Call us to book in for an MOT test or for more details. MOT ClassesClass 4 MOT TestPhotos Map No Records FoundSorry, no records were found. Please adjust your search criteria and try again. Google Map Not LoadedSorry, unable to load Google Maps API. Driving Walking Bicycling Public Transport Miles Kilometers Reviews Claim Listing Address 18 Cheyney Street Steeple Morden Royston, SG8 0LP Contact Details Main Phone: 01763 852239 Automotive Garage Category: MOT Test Station