St James's SW1 is mixed-era and renter-heavy: 95% of homes here are flats and 5% are houses, across 3,927 households (ONS Census 2021).
Because 44% of St James's is privately rented and 29% socially rented, a lot of SW1 work is agreed with a landlord or managing agent rather than the person opening the door.
St James's substrates run to with metal stud partitions between rooms — and dot-and-dab plasterboard over blockwork, measured on the walk in from Green Park (Piccadilly, Victoria, Jubilee) rather than assumed from a map. Nothing is drilled until the wall has been sounded, because short screws that grip only the board and slowly lever it off the dabs, as the St James's stock goes, where 28% owner-occupation means the same home is booked again rather than a new tenant each year is the mistake that costs a SW1 customer twice.
St James's 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 — gentlemen's clubs, galleries and Jermyn Street shirtmakers between the palace and Piccadilly — which is why a SW1 quote is not a Westminster average.
Getting to the door matters as much as the job: royal Parks restrictions, listed building rules and narrow service entrances off Duke Street. Green Park (Piccadilly, Victoria, Jubilee) is the nearest station, and one driver as standard on all three van sizes, with a second loader added by the hour where stairs, a lift booking or heavy furniture make a solo load impractical.