Colombo’s Urban Growth vs. Housing Affordability Paradox 📈

• Overall Figures & Housing Stock: • Total housing units in Colombo District grew 21.1% (2012–2024), reaching 768,000 units. • Occupied housing units rose 17.7% to 654,000 in 2024 (up from 272,000 in 1981). • Vacant or closed units surged by 45.8% (78,052 to 113,837 units), accounting for 14.8% of total stock—highlighting a supply and effective demand mismatch. • Quality & Density Breakdown: • High basic service access: 98.6% permanent housing, 98.0% national-grid power, 97.2% indoor drinking water, and 85.5% LP gas usage. • Housing density mix: single-storey (54.4%), multi-storey (32.1%), and apartments (13.4%). • Cost & Sector Pressures: • CBSL Residential Land Valuation Index reached 284.9 in 2026 H1, up 184.9% from its 2017 H1 base (2021: 176.3 | 2024 H2: 242.9 | 2025 H2: 273.1). • Housing costs took up 26.67% of non-food spending for Colombo households (2019 data), driving outward migration that increases transport costs and commuting time. • Environment & Access Gap: • Colombo Wetland Complex dropped from ~47.5 km² (1980s) to ~19 km², with 13.64% of the area at extremely high flood hazard (85.6% built-up land). • Green cover in 47 wards dropped from 35.67% (1956) to 22.23% (2010). • Out of 557 Grama Niladhari divisions, 373 lack public playgrounds, and 420 lack children's parks within their borders.