R Williams Motor Services
MOT testing station in Holyhead. R Williams Motor Services, The Mill Warehouse, Tan Y Felin, Caergeiliog, Holyhead, LL65 3YD. Phone and vehicle classes from DVSA's published list of active MOT testing stations.
Garage list from DVSA's published list of active MOT testing stations. Not a government service.
List updated 30 September 2026.
The Mill Warehouse
Tan Y Felin
Caergeiliog
Holyhead
LL65 3YD
Phone: 01407 740414
Site number: 1ALM70
Vehicle classes
- Class 1: motorcycles up to 200cc
- Class 2: motorcycles over 200cc
- Class 4: cars (up to 8 passenger seats) and other class 4 vehicles
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MOTCheck does not list test prices. The legal maximum fee for a car MOT (class 4, up to 8 passenger seats) is £54.85. A station can charge less.