A pre-war Riley of this vintage presents an unusual mechanical story on the MOT record, where the defining takeaway is not a pattern of chronic advisories or structural failure, but the scarcity of evidence itself. Only three DVSA test entries exist, the most recent being a pass recorded on 7 July 2017 alongside an immediate failure on the same date for a nearside rear mechanical brake component with restricted free movement. The single prior test in May 2016 returned a pass but with three advisories, all noting slightly distorted bead rims on the wheels. The overall trend is therefore neither stable nor worsening in a conventional sense, because there is simply too little data to establish one. What can be said is that the only recorded mechanical defect in four years of testing was a binding rear brake, and the only structural concerns flagged were cosmetic wheel rim distortions rather than chassis or suspension items. Any prospective buyer should, however, recognise that MOT testing for a vehicle of this era and category is unlikely to be compulsory in the same way as for modern cars, meaning the absence of further tests is not necessarily evidence of road-going inactivity.
The recorded mileage of 21,038 miles against an age of approximately 94 years equates to an average accumulation of roughly 224 miles per year, which is exceptionally low and points either to long periods of standing, very occasional show or rally use, or both. The four-year gap between the 2016 test and the only available prior data is consistent with a vehicle that has spent considerable time off the public road, and the absence of any recorded tests after July 2017 suggests the car may well have been laid up since then, making it closer to nine years stationary at the point of inspection in late 2026. Mechanically, such prolonged standing is highly significant for a pre-war design, because hand brake cables seize, brake drums and shoes corrode together, exposed chassis and suspension linkages oxidise, and cork or rubber gaitors perish. The very defect that caused the 2017 failure, restricted free movement in a rear mechanical brake, is precisely the kind of problem that develops when a brake mechanism has been left unused, and a similar issue on another corner would not be surprising after further years of storage.
For a test drive and physical inspection, the priority areas follow directly from the recorded history. The 2017 brake failure means the rear drum brake mechanism on both sides should be examined carefully for free movement of the operating linkages, with particular attention to seized adjusters, rusted-back shoe webs, and any hydraulic or mechanical cylinder that no longer returns fully. On the road, the buyer should listen for scraping or dragging from the rear hubs, feel for any pulling to one side under light braking, and check that the handbrake holds on a steep slope without requiring excessive lever travel, as a handbrake that has been left applied for years is a common source of binding. The 2016 advisories regarding distorted bead rims on three wheels should prompt a close look at tyre seating, as a distorted bead prevents proper inflation against the rim and can cause slow leaks or sudden deflation, so each wheel should be checked with the tyre deflated and re-inflated if possible to confirm a uniform seal.
Beyond the items specifically flagged in the MOT record, the buyer should approach this Riley with the expectation that consumable items which rely on regular use will have deteriorated. Brake fluid, if still present from the period of lay-up, will have absorbed moisture and should be fully replaced regardless of its apparent condition, and the flexible brake hoses and any visible pipework should be inspected for perishing or corrosion, particularly at the unions where rust often blooms. The tyres, even if the wheels themselves are original, should be examined for flat-spotting, sidewall cracking, and age-related hardness, as rubber of pre-war or early post-war pattern that has been statically loaded for years may no longer be safe. Finally, because so little of this vehicle's life is documented in official testing, a pre-purchase inspection by a specialist familiar with pre-war Riley mechanical brakes and chassis lubrication points is strongly advisable, paying particular attention to the king pins, shackles, spring leaves, and the rear axle breather, all of which are vulnerable to the seizing and corrosion that prolonged storage invites.