The NW3 stock around The Roundhouse is mainly Victorian. ONS records 88% flats, 12% houses and 3,654 households in Chalk Farm.
Owner-occupation runs at 25% in Chalk Farm, so alongside the 28% rental churn there is steady planned work — refurbishments, downsizes and probate clearances booked weeks ahead.
Expect often with surface conduit, over precast concrete panels and dense blockwork — with 47% social-rented stock locally, block access is agreed with the estate office first behind the plaster in NW3. That is why fixings are picked in the room rather than off a van shelf, and why drilling blind into a panel with reinforcement or a buried cable behind it on these streets — and with 36% one-person households in Chalk Farm, one adult is usually the only pair of hands on site is the fault we are called back to undo.
Two streets can behave very differently in Chalk Farm: roundhouse gigs, market overspill and terraces climbing towards Belsize. The quote reflects the street the job is actually on. Chalk Farm sits inside the Congestion Charge zone as well as ULEZ, so both are itemised on the quote rather than absorbed into an hourly rate.
Getting to the door matters as much as the job: market weekend congestion, narrow one-way streets and no off-street parking. Chalk Farm (Northern) 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.