have you looked at the link below the photos Strongpoint on roof of off-licence. Categorised 'B', 1946-1948. (Source: Document 1947) Type of site DEFENDED BUILDING Location The Belmont Hotel, Belmont Circle, Kenton Lane, Kenton. Area Harrow, London, Greater, England Grid reference TQ 1659 9055 Period WW2 Condition Unknown Materials Unknown Recorder (Defence of Britain Project) Defence grouping London Stop Line: Central - Line B (middle) of London defence rings. DOB site reference: S0014054 Reference 1949 Lists of Temporary Defence Works Cases Event Construction, In the period 1940 1941