Walk Marylebone from The Wallace Collection outwards and the Georgian and early Victorian pattern is obvious: 88% of the 3,555 households in W1 live in flats, 12% in houses.
57% of households rent privately and 32% own, which is why mattress cleaning demand here peaks around tenancy changeovers and completion dates.
Walls are dot-and-dab plasterboard over blockwork; locally that also means with metal stud partitions between rooms — where 32% owner-occupation means the same home is booked again rather than a new tenant each year, so the fixing that matters in Marylebone is chosen on site — the usual failure here is short screws that grip only the board and slowly lever it off the dabs on these streets — measured on the walk in from Marylebone (Bakerloo, Chiltern Railways) rather than assumed from a map.
Anyone who knows Marylebone knows the pattern near The Wallace Collection: village high street, Georgian estate streets and the medical quarter along Harley Street. We plan the W1 visit around it. Marylebone 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, estate-managed streets, single-yellow evening restrictions and mansion blocks with porters and small lifts — one reason 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. Fitters travelling in use Marylebone (Bakerloo, Chiltern Railways).