Colham & Cowley
Colham & Cowley is one of 21 wards in Hillingdon, home to 18,912 people in 6,482 households (Census 2021). Homes sold for a median of £476,250 over the past two years, 6% below the Hillingdon median. On average 21% of the land within 500 metres of a home postcode is green space — 24% above the Hillingdon average.
People and homes.
18,912 residents in 6,482 households, next to the Hillingdon average.
Source: Census 2021, Office for National Statistics
Prices.
Quarterly median of standard sales in Colham & Cowley and Hillingdon.
Source: HM Land Registry Price Paid Data, sales to 28 Aug 2026
Safety.
Police recorded 2,096 crimes and incidents in Colham & Cowley in the 12 months to Aug 2026: 111 per 1,000 residents, against 128 across Hillingdon.
Police.uk records crimes by approximate location, not by where victims or offenders live. Busy streets, shops, stations and nightlife record more. Figures are counts, not a measure of personal risk. Rates per resident are higher wherever many people visit but few live, such as city centres.
Source: data.police.uk street-level crime, Metropolitan Police Service (Open Government Licence v3.0)
Food hygiene.
Food businesses in Colham & Cowley with a published hygiene rating.
Council food safety officers rate businesses from 0 (urgent improvement necessary) to 5 (very good) for hygiene, the state of the premises and how food safety is managed. A rating reflects the standards found on the day of inspection, not the quality of the food.
Source: Food Standards Agency, food hygiene rating data as of 26 October 2026 (Open Government Licence)