The TW1 stock around Marble Hill House is mainly Victorian. ONS records 43% flats, 56% houses and 2,701 households in St Margarets.
Owner-occupation runs at 66% in St Margarets, so alongside the 29% rental churn there is steady planned work — refurbishments, downsizes and probate clearances booked weeks ahead.
St Margarets substrates run to solid London stock brick in TW1, some of it dry-lined during a later refurbishment — where 66% owner-occupation means the same home is booked again rather than a new tenant each year. Nothing is drilled until the wall has been sounded, because fixings landing in soft lime mortar joints instead of the brick body on these streets — and narrow village streets with permit bays and flood-zone riverside access is the mistake that costs a TW1 customer twice.
Two streets can behave very differently in St Margarets: a village centre between Twickenham and Richmond, with riverside meadows. The quote reflects the street the job is actually on. St Margarets is outside the Congestion Charge zone but inside ULEZ; our vehicles are compliant, so nothing is added for it.
On access, narrow village streets with permit bays and flood-zone riverside access — one reason two cleaners for a flat, two to three for a house, working together in one visit rather than spreading the job across days. Fitters travelling in use St Margarets (South Western).