Belsize Park NW3 is mainly Victorian and renter-heavy: 93% of homes here are flats and 7% are houses, across 3,000 households (ONS Census 2021).
Because 51% of Belsize Park is privately rented and 10% socially rented, a lot of NW3 work is agreed with a landlord or managing agent rather than the person opening the door.
Belsize Park substrates run to with solid brick on the party and external walls, over lath and plaster over timber studs, which is why London Borough of Camden kerb rules get settled before the van is loaded. Nothing is drilled until the wall has been sounded, because a plasterboard plug spun into lime plaster in Belsize Park, which crumbles the key and drops the panel, and with 51% of homes here privately rented, it sets the booking date as often as the job does is the mistake that costs a NW3 customer twice.
Belsize Park sits inside the Congestion Charge zone as well as ULEZ, so both are itemised on the quote rather than absorbed into an hourly rate. What shapes the job more is the neighbourhood itself — stucco villas and mansion blocks on the slope between Hampstead and Chalk Farm — which is why a NW3 quote is not a Camden average.
Resident-permit streets, hill gradients and conversion flats up three or four flights. Nearest station is Belsize Park (Northern), and one technician for a standard garden patio or deck; two for a roof terrace or balcony where water has to be carried up by bowser and furniture moved through a lift or stairwell.