The SE24 stock around Brockwell Park and Lido is mainly Victorian. ONS records 27% flats, 73% houses and 3,150 households in Herne Hill.
Owner-occupation runs at 69% in Herne Hill, so alongside the 19% rental churn there is steady planned work — refurbishments, downsizes and probate clearances booked weeks ahead.
Herne Hill substrates run to some of it dry-lined during a later refurbishment — and solid London stock brick — which is why London Borough of Southwark kerb rules get settled before the van is loaded. Nothing is drilled until the wall has been sounded, because in SE24, fixings landing in soft lime mortar joints instead of the brick body — measured on the walk in from Herne Hill (Thameslink, Southeastern) rather than assumed from a map is the mistake that costs a SE24 customer twice.
Two streets can behave very differently in Herne Hill: brockwell Park, the velodrome and a compact village of independents. The quote reflects the street the job is actually on. Herne Hill 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, railway-bridge height limits on Half Moon Lane and permit-only side streets — 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 Herne Hill (Thameslink, Southeastern).