The W4 stock around Chiswick House and Gardens is mainly Victorian. ONS records 57% flats, 43% houses and 15,273 households in Chiswick.
Private renting sits at 34% and owner-occupation at 51%; the first group books spring cleaning at short notice, the second plans it.
Chiswick substrates run to dot-and-dab plasterboard over blockwork in Chiswick, with metal stud partitions between rooms — measured on the walk in from Turnham Green (District, Piccadilly) rather than assumed from a map. Nothing is drilled until the wall has been sounded, because in W4, short screws that grip only the board and slowly lever it off the dabs — the reality on the streets around Chiswick House and Gardens is the mistake that costs a W4 customer twice.
Two streets can behave very differently in Chiswick: chiswick House, the riverside and Bedford Park's Arts and Crafts streets. The quote reflects the street the job is actually on. Chiswick is outside the Congestion Charge zone but inside ULEZ; our vehicles are compliant, so nothing is added for it.
Getting to the door matters as much as the job: conservation-area rules, A4 red route and very tight CPZ around Turnham Green. Turnham Green (District, Piccadilly) is the nearest station, and two cleaners for a flat, two to three for a house, working together in one visit rather than spreading the job across days.