The E1 stock around The Royal London Hospital and the Whitechapel Gallery is mainly Victorian. ONS records 89% flats, 11% houses and 2,281 households in Whitechapel.
Owner-occupation runs at 22% in Whitechapel, so alongside the 41% rental churn there is steady planned work — refurbishments, downsizes and probate clearances booked weeks ahead.
Walls are precast concrete panels and dense blockwork in Whitechapel, often with surface conduit — which is what a 89% flat share across the ONS neighbourhood covering Whitechapel actually produces, so the fixing that matters in Whitechapel is chosen on site — the usual failure here is in E1, drilling blind into a panel with reinforcement or a buried cable behind it — and with 30% one-person households in Whitechapel, one adult is usually the only pair of hands on site.
Two streets can behave very differently in Whitechapel: market street, the Royal London Hospital and a Bangladeshi community centred on the high street. The quote reflects the street the job is actually on. Whitechapel 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: whitechapel Road market and bus lanes, estate service roads and lift-dependent blocks. Whitechapel (Elizabeth line, District, Overground) is the nearest station, and one technician with a van-mounted dip tank; two where a barbecue has to be carried through a flat to reach a terrace.