Walk Streatham from Streatham Common and the Rookery outwards and the mainly Edwardian pattern is obvious: 66% of the 26,325 households in SW16 live in flats, 34% in houses.
Private renting sits at 35% and owner-occupation at 44%; the first group books spring cleaning at short notice, the second plans it.
Streatham substrates run to with solid brick on the party and external walls — and lath and plaster over timber studs — the reality on the streets around Streatham Common and the Rookery. Nothing is drilled until the wall has been sounded, because which crumbles the key and drops the panel, over a plasterboard plug spun into lime plaster — the pattern behind 26,325 households inside the SW16 neighbourhood is the mistake that costs a SW16 customer twice.
Two streets can behave very differently in Streatham: a two-mile high road, the common and the ice rink, with Edwardian streets either side. The quote reflects the street the job is actually on. Streatham sits inside the Congestion Charge zone as well as ULEZ, so both are itemised on the quote rather than absorbed into an hourly rate.
On access, a23 red route, side streets with permit bays and mansion blocks with small lifts — 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 Streatham (Thameslink, Southern).