Holloway (N7) is a 13-minute run south-west of my Tottenham base, typically 22 to 32 minutes door-to-door via Camden Road. Most of my N7 call-outs are driven by the area’s heavy rental market, new tenant means new cylinder, and I often pair a lockout with a 3★ cylinder upgrade on the same visit.
The housing along and off Holloway Road is dominated by Victorian terracing, much of it converted into shared flats above shops, plus the post-war council estates such as the Andover Estate, and the newer flat blocks that have gone up around Nags Head and Caledonian Road. That spread means I’ll go from picking a 1930s mortice on a single-tenant terrace to swapping a tired multipoint cylinder on a regenerated block, often in the same shift. The streets running off Camden Road and Hornsey Road still rely heavily on original wooden front doors with a Yale night latch sat above a 5-lever mortice, and those doors generally pay to be serviced rather than replaced.
The most frequent jobs I see in N7 fall into three buckets. First, planned rekeys at the start of new tenancies, often three or four cylinders changed in a single visit when a landlord turns over a HMO. Second, council-stock cylinders that have hit end-of-life, the wafers worn down by decades of use, picking opens them but the customer wants a fresh keyway and a sensible spare set. Third, snapped keys in night latches on the original front doors, where the spring has weakened over the years and finally given up with the key still inside. Extraction with a spiral pick is usually non-destructive, so the lock body is saved and only the key needs replacing.