In Belsize Park (NW3) the split is 93% flats to 7% houses over 3,000 households, and the stock is mainly Victorian.
The renter-heavy mix here (39% owned, 51% privately rented) means a NW3 diary swings between short-notice tenancy deadlines and appointments set a fortnight out.
Expect lath and plaster over timber studs in Belsize Park, with solid brick on the party and external walls, and with 45% one-person households in Belsize Park, one adult is usually the only pair of hands on site behind the plaster in NW3. That is why fixings are picked in the room rather than off a van shelf, and why a plasterboard plug spun into lime plaster; locally that also means which crumbles the key and drops the panel, a median age of 38 in this neighbourhood shapes what gets ordered here is the fault we are called back to undo.
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.
On access, resident-permit streets, hill gradients and conversion flats up three or four flights — one reason two cleaners for a flat, two to three for a house, working together in one visit rather than spreading the job across days. Fitters travelling in use Belsize Park (Northern).