Westminster combines historic mansion blocks with significant high-rise residential stock.
As at 30 April 2026, 4,378 residential buildings 11m and over with unsafe cladding were being monitored in the government's remediation programmes across England - 55% had started or completed works. Westminster sits within one of the largest concentrations of these buildings in the country.
Source: MHCLG Building Safety Remediation monthly data release, April 2026.