Census 2021 puts St James's at 3,927 households with a median age of 35.1. The mixed-era stock is renter-heavy, which is why 5% houses and 95% flats need different handling in SW1.
Owner-occupation runs at 28% in St James's, so alongside the 44% rental churn there is steady planned work — refurbishments, downsizes and probate clearances booked weeks ahead.
Walls are dot-and-dab plasterboard over blockwork in SW1, with metal stud partitions between rooms — the reality on the streets around St James's Palace, so the fixing that matters in St James's is chosen on site — the usual failure here is in SW1, short screws that grip only the board and slowly lever it off the dabs — the pattern behind 3,927 households inside the SW1 neighbourhood.
Two streets can behave very differently in St James's: gentlemen's clubs, galleries and Jermyn Street shirtmakers between the palace and Piccadilly. The quote reflects the street the job is actually on. 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.
On access, royal Parks restrictions, listed building rules and narrow service entrances off Duke Street — one reason two cleaners for a flat, two to three for a house, working together in one visit rather than spreading the job across days. Fitters travelling in use Green Park (Piccadilly, Victoria, Jubilee).