Census 2021 puts South Bank and Waterloo at 4,696 households with a median age of 29.9. The post-war stock is renter-heavy, which is why 6% houses and 94% flats need different handling in SE1.
44% of households rent privately and 24% own, which is why driveway cleaning demand here peaks around tenancy changeovers and completion dates.
South Bank and Waterloo substrates run to precast concrete panels and dense blockwork in South Bank and Waterloo, often with surface conduit — the reality on the streets around The National Theatre and Tate Modern. Nothing is drilled until the wall has been sounded, because in SE1, drilling blind into a panel with reinforcement or a buried cable behind it — which is why London Borough of Southwark kerb rules get settled before the van is loaded is the mistake that costs a SE1 customer twice.
Two streets can behave very differently in South Bank and Waterloo: cultural riverfront from the National Theatre to Tate Modern, with Waterloo's flats behind. The quote reflects the street the job is actually on. South Bank and Waterloo 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: riverside pedestrian zones, red routes on Stamford Street and event-day closures. Waterloo (Jubilee, Northern, Bakerloo, National Rail) is the nearest station, and one technician and a van-mounted hot-water pressure washer for most driveways; two on larger block-paving jobs where re-sanding is included, since brushing sand in is a second task run alongside the wash.