In Mill Hill (NW7) the split is 37% flats to 63% houses over 9,251 households, and the stock is mixed-era.
The owner-occupier-led mix here (59% owned, 24% privately rented) means a NW7 diary swings between short-notice tenancy deadlines and appointments set a fortnight out.
Walls are timber stud partitions inside; locally that also means cavity brickwork outside, and with 25% one-person households in Mill Hill, one adult is usually the only pair of hands on site, so the fixing that matters in Mill Hill is chosen on site — the usual failure here is Mill Hill gives us a four-hole bracket with two screws in a stud and two in fresh air, a median age of 37 in this neighbourhood shapes what gets ordered here.
Mill Hill is outside the Congestion Charge zone but inside ULEZ; our vehicles are compliant, so nothing is added for it. What shapes the job more is the neighbourhood itself — hilltop village, green belt and large detached family houses — which is why a NW7 quote is not a Barnet average.
Getting to the door matters as much as the job: gravel drives and gated entrances; the Ridgeway is steep and narrow in places. Mill Hill Broadway (Thameslink) is the nearest station, and one technician for a private path; two where a communal walkway has to stay open to residents while the work is done, so one can manage access while the other washes.