Is CM21 9AB a nice place to live?
Area check for East Hertfordshire — official open data on crime, house prices, schools, flood risk, healthcare and food hygiene.
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Crime (Police.uk, 2026-07)
52 crimes recorded
Within roughly a mile of CM21 9AB. Most common: Violence & sexual offences.
House prices
£460,778
Average price in East Hertfordshire (2026-06, UK House Price Index). Up 4.0% year on year.
- Terraced
- £417,636
- Semi-detached
- £530,307
- Detached
- £891,577
- Flat / maisonette
- £252,893
Local authority average from HM Land Registry — not a valuation for CM21 9AB specifically.
Flood risk
Official Environment Agency map for rivers, sea, surface water and groundwater risk near this postcode.
No active flood warnings within ~15km.
Check long-term flood risk →GP & dentist ratings
CQC ratings near CM21 9AB on Check My GP
Food hygiene ratings
FSA ratings near CM21 9AB on Check Food Hygiene
Nearby postcodes
Compare crime and area data a short walk away.