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MOT equipment / Guide

GarageReady MOT guide

MOT bay requirements: equipment and premises

Understand the main DVSA requirements behind a UK MOT bay, including inspection facilities, brake testing, headlamp aim, emissions, connected equipment and calibration.

Last reviewed: 25 September 2026

EquipmentUse the current DVSA acceptable-equipment information where approval is required.
Connected systemsConnected roller brake testers, decelerometers, gas analysers and smoke meters apply in specified Classes 4, 5 and 7 circumstances.
CalibrationMandatory measuring equipment must remain within its required calibration period.
PremisesThe equipment does not make an unsuitable building into an acceptable test station.

Start with vehicle classes

The classes you intend to test determine the facility and equipment specification. Avoid buying a generic package before that scope is fixed.

Plan the major equipment as a system

The current DVSA guide identifies underside inspection, headlamp aim, brake testing and emissions testing as core facilities or equipment, with detailed variations by class and lane type.

Connected equipment matters

For specified new, replacement or additional equipment, the MOT testing service connection requirement affects roller brake testers, decelerometers, exhaust gas analysers and diesel smoke meters for Classes 4, 5 and 7.

Calibration is operational

If mandatory test equipment becomes overdue for recalibration, testing that relies on it must stop until it is recalibrated. Build service and calibration support into the buying decision.

Primary source

GarageReady uses the current DVSA MOT testing guide and acceptable-equipment information as the authority for regulatory requirements. Supplier pages can help specify products, but they do not replace DVSA requirements.