Area Report
Last updated 08 JUL 2026Neighbourhood Report
What's nearby — across walking, short-drive and school catchment distance. Data from official UK government sources.
01 — Snapshot
Around CM23 5NU.
The large figure is how many we found nearby; the chip beside each label is that category’s NestScope score out of 100 — higher beats more of the UK.
10Good/Outstanding within 1 mi
16 rated Good or better within 2 mi · 23 schools in total
Nearest top-rated: The Hertfordshire & Essex High School and Science College (Outstanding) — 0.2 mi
10crimes last month
IMD crime decile 9/10 · 10 crimes in 0.25 mi last month (residential-weighted: 5.9)
Crimes reported last month · UK Police API
7GP & hospitals
IMD health decile 10/10 · 6 GP, 1 hospital, 7 dentists, pharmacy 0.3 mi within 1.5 mi
Nearest GP: HELIX MEDICAL CENTRE — 0.3 mi
Bishops Stortford Rail Station0.2 mi
35 bus stops also within 0.5 miles
17green spaces
IMD environment decile 10/10 · 15.7 ha total — largest park 4.2 ha (0.41 mi away)
Nearest: Playing Field (0.40 ha) — 0.3 mi
17supermarkets
17 supermarkets within 2 mi — Aldi, East of England Co-operative, Waitrose, Spar… — nearest 0.2 mi — library 0.5 mi
Nearest: Aldi Hockerill Bishop's Stortford — 0.2 mi
02 — Environment
Environment & risk near CM23 5NU.
Official risk flags for context — deliberately not part of the NestScope score (they’re categorical hazards, not amenities). Flood zones, air quality & noise explained.
Flood risk
Zone 1 (low)
Flood Zone 1 — low risk (less than 1 in 1,000 annual chance) · Source: Environment Agency Flood Map for Planning
Air qualityWithin WHO guideline
8.8µg/m³
NO₂ annual mean · WHO guideline 10 · UK limit 40 · Source: DEFRA UK-AIR 2024
Road noiseQuiet
48dB Lden
Road traffic, day-evening-night average · Source: DEFRA strategic noise mapping
03 — House prices
Sold prices in CM23.
Average sold price by property type across the CM23 district, 2021–2026 — 4,515 sales.
About CM23 5NU
CM23 5NU scores 91/100 on the NestScope Score, with its strongest showing in schools and healthcare — with The Hertfordshire & Essex High School and Science College about 3 minutes' walk away. The breakdown below draws on official UK data covering schools, safety, healthcare, transport, environment and local amenities.
In national context, CM23 5NU is one of the most affluent neighbourhoods in England — IMD decile 9/10, ranked 28,089 of 32,844 neighbourhoods in England. The Index of Multiple Deprivation is the UK government's official measure of relative deprivation, refreshed roughly every five years. Housing pressure here is moderate (IMD housing decile 5/10).
There are 23 schools within the typical catchment area, including 2 rated Outstanding by Ofsted and 14 rated Good. The nearest school is The Hertfordshire & Essex High School and Science College (Ofsted: Outstanding), about 3 minutes' walk away.
There were 10 crimes reported on the surrounding streets in the most recent month, indicating a low level of immediate-area crime.
Healthcare access is good, with 6 GP surgeries, 1 hospital and 7 dental practices in the wider neighbourhood. The nearest GP practice is HELIX MEDICAL CENTRE, about 6 minutes' walk away. The nearest hospital is HERTS AND ESSEX HOSPITAL, about 8 minutes' walk away. A pharmacy is about 6 minutes' walk away.
