The N1 stock around Canonbury Tower and Canonbury Square is Georgian and early Victorian. ONS records 84% flats, 16% houses and 9,497 households in Canonbury.
Private renting sits at 28% and owner-occupation at 29%; the first group books upholstery cleaning at short notice, the second plans it.
Walls are precast concrete panels and dense blockwork in Canonbury, often with surface conduit — where 29% owner-occupation means the same home is booked again rather than a new tenant each year, so the fixing that matters in Canonbury is chosen on site — the usual failure here is in N1, drilling blind into a panel with reinforcement or a buried cable behind it — which is why London Borough of Islington kerb rules get settled before the van is loaded.
Anyone who knows Canonbury knows the pattern near Canonbury Tower and Canonbury Square: quiet conservation streets of Georgian squares between Essex Road and Highbury. We plan the N1 visit around it. Canonbury sits inside the Congestion Charge zone as well as ULEZ, so both are itemised on the quote rather than absorbed into an hourly rate.
Getting to the door matters as much as the job: conservation-area streets, narrow entrances and no vehicle access through the square gardens. Canonbury (Overground) is the nearest station, and one technician with a portable extraction machine — the standard kit for London flats, where a truck-mount hose cannot reach a fourth floor.