Walk Carshalton from Carshalton Ponds and Honeywood Museum outwards and the mainly Victorian pattern is obvious: 33% of the 9,444 households in SM5 live in flats, 67% in houses.
Owner-occupation runs at 76% in Carshalton, so alongside the 16% rental churn there is steady planned work — refurbishments, downsizes and probate clearances booked weeks ahead.
Carshalton substrates run to some of it dry-lined during a later refurbishment — and solid London stock brick — the reality on the streets around Carshalton Ponds and Honeywood Museum. Nothing is drilled until the wall has been sounded, because in SM5, fixings landing in soft lime mortar joints instead of the brick body — and narrow lanes around the ponds with a conservation area; driveways elsewhere is the mistake that costs a SM5 customer twice.
Two streets can behave very differently in Carshalton: spring-fed ponds, a village high street and the Wandle's source. The quote reflects the street the job is actually on. Carshalton is outside the Congestion Charge zone but inside ULEZ; our vehicles are compliant, so nothing is added for it.
Narrow lanes around the ponds with a conservation area; driveways elsewhere. Nearest station is Carshalton (Southern), and one technician with a van-mounted dip tank; two where a barbecue has to be carried through a flat to reach a terrace.