In Bloomsbury (WC1) the split is 95% flats to 5% houses over 6,576 households, and the stock is Georgian and early Victorian.
The renter-heavy mix here (20% owned, 38% privately rented) means a WC1 diary swings between short-notice tenancy deadlines and appointments set a fortnight out.
Expect often with surface conduit — and precast concrete panels and dense blockwork, with 42% social-rented stock locally, block access is agreed with the estate office first behind the plaster in WC1. That is why fixings are picked in the room rather than off a van shelf, and why drilling blind into a panel with reinforcement or a buried cable behind it, as the Bloomsbury stock goes, and with 38% of homes here privately rented, it sets the booking date as often as the job does is the fault we are called back to undo.
Bloomsbury sits inside the Congestion Charge zone as well as ULEZ, so both are itemised on the quote rather than absorbed into an hourly rate. What shapes the job more is the neighbourhood itself — garden squares, university faculties and the British Museum's streets of Georgian terraces — which is why a WC1 quote is not a Camden average.
Camden CPZ all week, listed staircases and squares where loading needs a bay suspension. Nearest station is Russell Square (Piccadilly), and one cleaner for a flat; two for a house, so the property is finished in one visit rather than split across a day.