The EC1 stock around The Charterhouse and Exmouth Market is Georgian and early Victorian. ONS records 94% flats, 6% houses and 5,170 households in Clerkenwell.
Owner-occupation runs at 25% in Clerkenwell, so alongside the 36% rental churn there is steady planned work — refurbishments, downsizes and probate clearances booked weeks ahead.
Clerkenwell substrates run to often with surface conduit, over precast concrete panels and dense blockwork — which is why City of London Corporation kerb rules get settled before the van is loaded. Nothing is drilled until the wall has been sounded, because in EC1, drilling blind into a panel with reinforcement or a buried cable behind it — and with 41% one-person households in Clerkenwell, one adult is usually the only pair of hands on site is the mistake that costs a EC1 customer twice.
Two streets can behave very differently in Clerkenwell: design studios, Italian delis and Georgian squares on the City's north-west edge. The quote reflects the street the job is actually on. Clerkenwell sits inside the Congestion Charge zone as well as ULEZ, so both are itemised on the quote rather than absorbed into an hourly rate.
Narrow one-way streets, seven-day controlled bays and warehouse lofts up several flights of stairs. Nearest station is Farringdon (Elizabeth line, Circle, Thameslink), and two crew and a Luton or tipper; three where everything has to be carried through a hallway.