The EC4 stock around Blackfriars Bridge and the Thames-spanning station is mixed-era. ONS records 98% flats, 2% houses and 4,914 households in Blackfriars.
48% of households rent privately and 37% own, which is why pre-move-in cleaning demand here peaks around tenancy changeovers and completion dates.
Blackfriars substrates run to dot-and-dab plasterboard over blockwork; locally that also means with metal stud partitions between rooms — which is what a 98% flat share across the ONS neighbourhood covering Blackfriars actually produces. Nothing is drilled until the wall has been sounded, because short screws that grip only the board and slowly lever it off the dabs on these streets — with 15% social-rented stock locally, block access is agreed with the estate office first is the mistake that costs a EC4 customer twice.
Two streets can behave very differently in Blackfriars: riverfront offices and legal quarter streets running up to Fleet Street. The quote reflects the street the job is actually on. Blackfriars 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: embankment red route with no stopping; access is via the side lanes with a permit. Blackfriars (Circle, District, Thameslink) is the nearest station, and one cleaner for a flat; two for a house, so the property is finished in one visit rather than split across a day.