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Data Sources
United Kingdom:TfL / NaPTAN / National Rail · National Chargepoint Registry · Open-Meteo · OpenStreetMap
Great Britain:Police.uk · Ofcom Connected Nations · DEFRA UK-AIR · DfT STATS19 · UKHSA Radon Risk
England & Wales:ONS Census 2021 · ONS Private Rental Market Stats
England:MHCLG EPC Register · Environment Agency · planning.data.gov.uk · HM Land Registry (Price Paid) · Historic England · DEFRA Noise Mapping · DfE / Ofsted / GIAS · VOA Council Tax Bands · CQC / NHS Digital · Food Standards Agency · MHCLG IMD 2025
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CM23 Area Report

East Hertfordshire

Data from 22 official government & open-data sources · Updated May 2026

£446,055
Median Price
Postcode district (CM23)
HIGH
Crime Level
Postcode district (CM23)
14
Schools Nearby
50/100
Transport Score
~50 Mbps
Broadband Est.
4.6/10

Investment Score

Below Average

Based on rental yield, price growth, safety, schools, transport & flood risk in CM23

Rental Yield
3.6
Price Growth
5.3
Safety
1.5
Schools
7.3
Transport
5
Flood Risk
6
Planning Friction
6.1
Climate Resilience
6

Crime Statistics

HIGH CRIMEPostcode district (CM23)

Higher crime levels, significantly influenced by nearby retail/commercial areas.

203
Crimes/month
40
Area average

This area has high crime — see the full breakdown by category to understand what types affect YOUR street

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Source: Police.uk • Open Government Licence

Deprivation Index (IMD)Local authority (East Hertfordshire)

DECILE 8/10 — 70–80% least deprived

East Hertfordshire has below-average deprivation, in the top 30% of least-deprived areas.

income
7
employment
8
education
7
health
9
crime
7
housing
6
environment
6

1 = most deprived 10%, 10 = least deprived 10% nationally

Source: MHCLG Index of Multiple Deprivation 2025 • Open Government Licence

House Price Index

Local-authority-wide figures for East Hertfordshire (the HPI is only published at LAD level). CM23 spans 2 local authorities; East Hertfordshire is the one covering the bulk of the outcode. For the CM23-specific median see the headline above and the sales sections below.

£457,151
East Hertfordshire average
+5.5%
Annual Change
Rising
Market

Average Price by Type

£886,719
Detached
£522,906
Semi-Detached
£414,004
Terraced
£251,902
Flat

24-Month Price Trend

01/12/2002: £194,544
01/12/2003: £211,685
01/12/2004: £232,135
01/12/2005: £236,520
01/12/2006: £253,666
01/12/2007: £284,383
01/12/2008: £236,969
01/12/2009: £257,939
01/12/2010: £252,979
01/12/2011: £257,988
01/12/2012: £273,195
01/12/2013: £284,019
01/12/2014: £316,010
01/12/2015: £355,327
01/12/2016: £386,453
01/12/2017: £392,904
01/12/2018: £402,708
01/12/2019: £395,184
01/12/2020: £411,008
01/12/2021: £413,598
01/12/2022: £438,519
01/12/2023: £427,449
01/12/2024: £433,395
01/12/2025: £457,151
01/12/200201/12/2025

Source: HM Land Registry UK House Price Index (as of 01/12/2025) • Open Government Licence

Schools & Education

7
Primary
3
Secondary
4
Independent
14
Within 1 mile

Breakdown of all 14 schools within 1 mile, by phase.

14 schools nearby — get every name, distance, and Ofsted rating for your specific address

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Source: Department for Education • School Performance Tables 2024/25

Transport Links

50/100
Moderate transport - bus links available, may need connections for tube/rail.

Get full station list with walk times on a Property Report

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Source: TfL API & National Rail

Browse by property type

Median prices in CM23 broken out by HMLR property type, last 5 years.

Detached
£625,000
1,151 sales
Semi-detached
£450,000
979 sales
Terraced
£370,000
783 sales
Flat
£257,500
797 sales

Pages only appear above where at least 10 sales were registered in the last 5 years.

Price Trends

Momentum for East Hertfordshire. For the headline CM23 median see the top of the page; for the smoothed local-authority average see the House Price Index section above.

+5.5%
1 Year Change
rising
Market Status
East Hertfordshire
Area Tracked

12 Month Trend

Unlock chart in Property Report

Source: ONS House Price Index • Open Government Licence

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✓Full crime breakdown (all categories)
✓Monthly crime trends chart
✓All schools with Ofsted links
✓Price history charts
✓Average income & economy data
✓Healthcare - GPs, dentists, hospitals
✓EPC certificate & energy costs
✓Planning applications nearby
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Council Tax📍Postcode-level

🔒 Get the actual band for this property£14.95
D
Band D
£68,001 - £88,000 (1991 valuation)
Est. £2,050/year
Estimated band — verify on gov.uk
Band A
Up to £40,000
Band B
£40,001 - £52,000
Band C
£52,001 - £68,000
Band D
£68,001 - £88,000
Band E
£88,001 - £120,000
Band F
£120,001 - £160,000
Band G
£160,001 - £320,000
Band H
Over £320,000

Source: Valuation Office Agency

Planning Applications & Constraints📍Postcode-level

🔒 Get the planning history for this exact property£14.95
Planning Friction
6.5/10
Heavy restrictions
Designation Stack
2
2 designations
Climate Resilience
6/10
Mixed
Planning Constraints:
Conservation AreaListed BuildingBuilt-up Area
What can I actually do here?
✓ Likely allowed (0)
    ⚠ Needs consent (5)
    • Solar PV panels on roof
    • Heat pump (air source) external unit
    • Outbuilding / garden room
    • Drop kerb / new vehicle access
    • Fell or significantly prune a tree
    ✗ Blocked (5)
    • Single-storey rear extension (under 4 m)
    • Loft conversion with rear dormer
    • Replace windows (uPVC, double-glazed)
    • Front porch (under 3 m²)
    • Demolish + rebuild

    Indicative only — your local planning authority has the final say.

    View council planning portal →

    Source: planning.data.gov.uk

    Heritage & Listed Buildings📍Postcode-level

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    Conservation Area
    Bishop's Stortford
    Planning restrictions may apply
    moderate heritage impact
    Grade II listed building - national importance. Listed building consent required for changes.

    Source: Historic England

    Noise Levels

    quiet
    This location falls outside DEFRA strategic noise contours, indicating low environmental noise levels.

    Source: DEFRA Strategic Noise Maps (Round 3)

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    BroadbandEst.

    Avg Download~50 Mbps
    Max Available~500 Mbps
    Superfast+ Yes
    Full Fibre× No

    Estimated from area data • Verify on Ofcom

    Flood Risk

    NONE RISK

    No current flood alerts in this area.

    Source: Environment Agency

    Walkability

    100/100

    Excellent walkability with daily errands easily completed on foot.

    Within ½ mile:122 places

    Source: OpenStreetMap

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    Explore More for CM23

    Price TrendsCost of LivingFlatsHousesDetachedSemi-DetachedTerraced

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    Local Climate

    5-year average from Open-Meteo

    11°C
    Avg Temperature
    730mm
    Annual Rainfall
    2801h
    Sunshine/Year
    22.2 km/h
    Avg Wind
    Warmest: July
    Coldest: January
    Wettest: October
    Driest: August
    Now: 17.1°C, Partly cloudyHumidity: 67%

    Source: Open-Meteo Historical Weather API

    Food Hygiene Ratings

    42 rated establishments within 1 mile

    4.7/5
    Average Rating
    95%
    Rated Good or Very Good
    42
    Total Establishments
    Dada CafeRestaurant/Cafe/Canteen
    5/5
    Shekos Kebab HouseTakeaway/sandwich shop
    4/5
    Pizza Express/Mac & WingsRestaurant/Cafe/Canteen
    5/5
    The Half MoonPub/bar/nightclub
    5/5
    PrezzoRestaurant/Cafe/Canteen
    5/5

    Source: Food Standards Agency

    Elevation

    67m
    Elevatedabove sea level

    At 67m above sea level, this location is well-elevated, significantly reducing flood risk from coastal and river sources.

    Source: Open Topo Data (SRTM 30m)

    Area Reviews

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