Walk Hampstead from Hampstead Heath and Kenwood House outwards and the Georgian and early Victorian pattern is obvious: 84% of the 11,433 households in NW3 live in flats, 17% in houses.
Private renting sits at 45% and owner-occupation at 39%; the first group books blinds and curtain fitting at short notice, the second plans it.
Walls are with solid brick on the party and external walls, over lath and plaster over timber studs — and with 45% of homes here privately rented, it sets the booking date as often as the job does, so the fixing that matters in Hampstead is chosen on site — the usual failure here is which crumbles the key and drops the panel — and a plasterboard plug spun into lime plaster — and with 37% one-person households in Hampstead, one adult is usually the only pair of hands on site.
Two streets can behave very differently in Hampstead: georgian hill village of narrow lanes, artists' houses and the Heath on its doorstep. The quote reflects the street the job is actually on. Hampstead 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: steep, narrow lanes where a 3.5t Luton is the practical maximum; several streets need a shuttle from Whitestone Pond. Hampstead (Northern) is the nearest station, and one fitter for standard windows; two for bent bay tracks or full-height stairwell blinds.