Penn & Mill End
Penn & Mill End is one of 13 wards in Three Rivers, home to 7,200 people in 2,843 households (Census 2021). Homes sold for a median of £532,500 over the past two years, in line with the Three Rivers median. On average 23% of the land within 500 metres of a home postcode is green space — 20% below the Three Rivers average.
People and homes.
7,200 residents in 2,843 households, next to the Three Rivers average.
Source: Census 2021, Office for National Statistics
Prices.
Quarterly median of standard sales in Penn & Mill End and Three Rivers.
Source: HM Land Registry Price Paid Data, sales to 28 Aug 2026
Safety.
Police recorded 636 crimes and incidents in Penn & Mill End in the 12 months to Aug 2026: 88 per 1,000 residents, against 69 across Three Rivers.
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, Hertfordshire Constabulary (Open Government Licence v3.0)
Food hygiene.
Food businesses in Penn & Mill End 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)