The SW1 stock around The Palace of Westminster is period conversion. ONS records 95% flats, 5% houses and 3,927 households in Westminster and Whitehall.
Owner-occupation runs at 28% in Westminster and Whitehall, so alongside the 44% rental churn there is steady planned work — refurbishments, downsizes and probate clearances booked weeks ahead.
Walls are with metal stud partitions between rooms — and dot-and-dab plasterboard over blockwork — the reality on the streets around The Palace of Westminster, so the fixing that matters in Westminster and Whitehall 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 — with 29% social-rented stock locally, block access is agreed with the estate office first.
Two streets can behave very differently in Westminster and Whitehall: government quarter around Parliament Square, Whitehall and Smith Square. The quote reflects the street the job is actually on. Westminster and Whitehall 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, security cordons, camera-controlled streets and pre-notified vehicle access on many roads — one reason two to four operatives depending on room count, scaling to a second team on a full-floor or full-closure clearance where the schedule is set by a redevelopment date. Fitters travelling in use Westminster (Circle, District, Jubilee).