Census 2021 puts Holborn at 3,090 households with a median age of 34.4. The post-war stock is social-housing-led, which is why 5% houses and 95% flats need different handling in WC1.
Owner-occupation runs at 18% in Holborn, so alongside the 30% rental churn there is steady planned work — refurbishments, downsizes and probate clearances booked weeks ahead.
Walls are often with surface conduit, over precast concrete panels and dense blockwork — and with 42% one-person households in Holborn, one adult is usually the only pair of hands on site, so the fixing that matters in Holborn is chosen on site — the usual failure here is in WC1, drilling blind into a panel with reinforcement or a buried cable behind it — measured on the walk in from Holborn (Central, Piccadilly) rather than assumed from a map.
Two streets can behave very differently in Holborn: legal London — the Inns of Court, Lincoln's Inn Fields and Sicilian Avenue. The quote reflects the street the job is actually on. Holborn 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: inns of Court gate access, weekday loading windows and listed staircases. Holborn (Central, Piccadilly) is the nearest station, and two operatives with a transit-sized van as standard, upsized to a Luton for a double garage or a lock-up with heavy workshop contents.