The SW1 stock around Westminster Cathedral is inter-war. ONS records 92% flats, 8% houses and 3,844 households in Victoria.
30% of households rent privately and 22% own, which is why school clearance demand here peaks around tenancy changeovers and completion dates.
Walls are often with surface conduit — and precast concrete panels and dense blockwork — which is what a 92% flat share across the ONS neighbourhood covering Victoria actually produces, so the fixing that matters in Victoria is chosen on site — the usual failure here is in SW1, drilling blind into a panel with reinforcement or a buried cable behind it — with 48% social-rented stock locally, block access is agreed with the estate office first.
Two streets can behave very differently in Victoria: station district of offices, theatres and new mixed-use blocks around Nova. The quote reflects the street the job is actually on. Victoria sits inside the Congestion Charge zone as well as ULEZ, so both are itemised on the quote rather than absorbed into an hourly rate.
Coach-station traffic, red routes on Vauxhall Bridge Road and dock booking in the newer blocks. Nearest station is Victoria (Victoria, Circle, District, National Rail), and two to four operatives for a single-building clear, scaling to two teams working in parallel where a full primary site has to be finished inside a two-week holiday window.