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.
44% of households rent privately and 28% own, which is why mattress cleaning demand here peaks around tenancy changeovers and completion dates.
Expect with metal stud partitions between rooms, over dot-and-dab plasterboard over blockwork — where 28% owner-occupation means the same home is booked again rather than a new tenant each year behind the plaster in SW1. That is why fixings are picked in the room rather than off a van shelf, and why short screws that grip only the board and slowly lever it off the dabs on these streets — the pattern behind 3,927 households inside the SW1 neighbourhood is the fault we are called back to undo.
Anyone who knows Westminster and Whitehall knows the pattern near The Palace of Westminster: government quarter around Parliament Square, Whitehall and Smith Square. We plan the SW1 visit around it. 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.
Getting to the door matters as much as the job: security cordons, camera-controlled streets and pre-notified vehicle access on many roads. Westminster (Circle, District, Jubilee) is the nearest station, and one technician with a portable extraction machine and air mover on a single household booking; two technicians on HMO, student accommodation and serviced-apartment rounds where six or more mattresses are cleaned in a day.