How many schools are near CM23 5NJ?

There are 23 schools within a 2-mile catchment of CM23 5NJ, including 2 rated Outstanding by Ofsted. Data from DfE GIAS / Ofsted.

10 crimes were reported within 400m of CM23 5NJ in the most recent month of UK Police API data. The area sits in IMD crime decile 10/10 nationally. For detailed crime breakdowns, visit the NestScope interactive map.

What transport is near CM23 5NJ?

Transport within 0.5 miles of CM23 5NJ includes 1 train station, 40 bus stops. Data from NaPTAN.

NestScope

CM23 5NJ · Neighbourhood Report

Area Report

Last updated 13 JUN 2026

CM23 5NJ

Neighbourhood Report

What's nearby — across walking, short-drive and school catchment distance. Data from official UK government sources.

NestScope Score

89/ 100

One of the most affluent neighbourhoods in England

Anchored on official IMD data — decile 10/10, ranked 31,955 of 32,844 neighbourhoods in England.

How this score is calculated

93Schools

75Safety

95Health

92Transport

69Green

95Amenities

01 — Snapshot

Around CM23 5NJ.

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.

Schools93/100

9Good/Outstanding within 1 mi

16 rated Good or better within 2 mi · 23 schools in total

The Hertfordshire & Essex High School and Science CollegeOutstanding · 0.0 mi Hockerill Anglo-European CollegeGood · 0.2 mi Thorn Grove Primary SchoolGood · 0.3 mi All Saints Church of England Primary School and Nursery, Bishop's StortfordGood · 0.6 mi Summercroft Primary SchoolGood · 0.6 mi White Trees Independent School0.6 mi

Nearest top-rated: The Hertfordshire & Essex High School and Science College (Outstanding) — 0.0 mi

Safety75/100

10crimes last month

IMD crime decile 8/10 · 10 crimes in 400m last month (residential-weighted: 7.7)

Crimes reported last month · UK Police API

Healthcare95/100

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

Transport92/100

Bishops Stortford Rail Station0.3 mi

40 bus stops also within 0.5 miles

Green space69/100

12green spaces

IMD environment decile 6/10 · 13.4 ha total — largest park 4.2 ha (0.48 mi away)

Nearest: Playground (200 m²) — 0.2 mi

Amenities95/100

17supermarkets

17 supermarkets within 2 mi — Aldi, Spar, East of England Co-operative, Sainsburys… — nearest 0.2 mi — library 0.5 mi

Nearest: Aldi Hockerill Bishop's Stortford — 0.2 mi

02 — Environment

Environment & risk near CM23 5NJ.

Official risk flags for context — deliberately not part of the NestScope score (they’re categorical hazards, not amenities).

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

Zone 1

Zone 2

Zone 3

Air qualityWithin WHO guideline

9.3µg/m³

NO₂ annual mean · WHO guideline 10 · UK limit 40 · Source: DEFRA UK-AIR 2024

<10

10–20

20–30

30–40

≥40

Road noiseQuiet

40dB Lden

Road traffic, day-evening-night average · Source: DEFRA strategic noise mapping

<55

55–64

65–74

≥75

03 — House prices

Sold prices in CM23.

Average sold price by property type across the CM23 district, 2021–2026 — 4,449 sales.

Detached
Semi-detached
Terraced
Flat

Detached£696k▲ 3.0%

Semi-detached£472k▲ 5.2%

Terraced£366k▼ 0.1%

Flat£257k▲ 2.1%

District-level averages (CM23) — broad enough to show a reliable trend. A single postcode usually sees too few sales to chart. Source: HM Land Registry Price Paid Data (Crown Copyright / OGL v3.0).

About CM23 5NJ

CM23 5NJ scores 89/100 on the NestScope Score, with its strongest showing in healthcare and local amenities — with HELIX MEDICAL CENTRE about 5 minutes' walk away. The breakdown below draws on official UK data covering schools, safety, healthcare, transport, environment and local amenities.

In national context, CM23 5NJ is one of the most affluent neighbourhoods in England — IMD decile 10/10, ranked 31,955 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 low (IMD housing decile 8/10).

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), within a short walk.

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 5 minutes' walk away. The nearest hospital is HERTS AND ESSEX HOSPITAL, about 6 minutes' walk away. A pharmacy is about 5 minutes' walk away.

The nearest rail stations are Bishops Stortford Rail Station (Train, about 6 minutes' walk away). There are also 40 bus stops within walking distance.

The location is in Flood Zone 1 (low risk — less than a 1 in 1,000 annual chance of river or sea flooding). road traffic noise is low (about 40 dB Lden).

There are 12 green spaces within walking distance, totalling 13.4 hectares of parks and outdoor space. The nearest is Playground (200 m²), about 4 minutes' walk away. It also lies just beside a Country Park (0.9 mi away), adding open countryside that isn't recorded as a formal park.

There are 17 supermarkets in the wider area, including Aldi, Spar, East of England Co-operative, Sainsburys and others. The nearest is Aldi Hockerill Bishop's Stortford, about 5 minutes' walk away. A public library is about 9 minutes' walk away.

Sources: DfE/Ofsted, UK Police API, NHS ODS, NaPTAN, Environment Agency, Ordnance Survey, Natural England, DEFRA, Geolytix and Arts Council England. For an interactive map view, explore CM23 5NJ on NestScope.

View CM23 5NJ on the map Compare with another area

Data: DfE/Ofsted · UK Police API · NHS ODS · NaPTAN · Ordnance Survey · Geolytix. Crown Copyright / OGL. Look up any postcode: nestscope.uk/area/YOUR+POSTCODE — e.g. SW1A 1AA, M1 1AE, BS1 1HT.