In Mayfair (W1) the split is 88% flats to 12% houses over 3,555 households, and the stock is mixed-era.
Because 57% of Mayfair is privately rented and 11% socially rented, a lot of W1 work is agreed with a landlord or managing agent rather than the person opening the door.
Mayfair substrates run to dot-and-dab plasterboard over blockwork in W1, with metal stud partitions between rooms, and with 47% one-person households in Mayfair, one adult is usually the only pair of hands on site. 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 Mayfair stock goes, the reality on the streets around Berkeley Square is the mistake that costs a W1 customer twice.
Mayfair 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 — grosvenor and Berkeley squares, private members' clubs and the flagship stores of Bond Street — which is why a W1 quote is not a Westminster average.
Getting to the door matters as much as the job: extremely tight kerbside, mews arches under 2.1m and listed interiors needing floor and stair protection. Bond Street (Central, Jubilee, Elizabeth line) is the nearest station, and 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.