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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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CM1 Area Report

Chelmsford

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

£392,930
Median Price
Postcode district (CM1)
HIGH
Crime Level
Postcode district (CM1)
15
Schools Nearby
35/100
Transport Score
~50 Mbps
Broadband Est.
4.8/10

Investment Score

Below Average

Based on rental yield, price growth, safety, schools, transport & flood risk in CM1

Rental Yield
4.3
Price Growth
5.9
Safety
1.5
Schools
7
Transport
3.5
Flood Risk
6
Planning Friction
10
Climate Resilience
6

Crime Statistics

HIGH CRIMEPostcode district (CM1)

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

277
Crimes/month
54
Area average

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

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12-Month Crime Trend→ Stable

2025-04: 261
2025-05: 291
2025-06: 282
2025-07: 321
2025-08: 254
2025-09: 239
2025-10: 281
2025-11: 255
2025-12: 249
2026-01: 231
2026-02: 266
2026-03: 335
2025-042026-03

↓ 2% vs previous period

Source: Police.uk • Open Government Licence

Deprivation Index (IMD)Local authority (Chelmsford)

DECILE 7/10 — 60–70% (less deprived)

Chelmsford has below-average deprivation, in the top 40% of least-deprived areas.

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

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 Chelmsford (the HPI is only published at LAD level). CM1 spans 2 local authorities; Chelmsford is the one covering the bulk of the outcode. For the CM1-specific median see the headline above and the sales sections below.

£385,085
Chelmsford average
+3.8%
Annual Change
Rising
Market

Average Price by Type

£692,897
Detached
£428,582
Semi-Detached
£345,026
Terraced
£214,848
Flat

24-Month Price Trend

01/12/2002: £154,490
01/12/2003: £171,831
01/12/2004: £190,014
01/12/2005: £193,474
01/12/2006: £206,357
01/12/2007: £227,576
01/12/2008: £193,239
01/12/2009: £204,599
01/12/2010: £211,712
01/12/2011: £210,862
01/12/2012: £218,855
01/12/2013: £227,788
01/12/2014: £258,856
01/12/2015: £280,481
01/12/2016: £303,357
01/12/2017: £321,188
01/12/2018: £325,166
01/12/2019: £324,280
01/12/2020: £328,739
01/12/2021: £357,620
01/12/2022: £384,813
01/12/2023: £364,064
01/12/2024: £370,872
01/12/2025: £385,085
01/12/200201/12/2025

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

Schools & Education

8
Primary
3
Secondary
2
Independent
1
Special
1
Nursery
15
Within 1 mile

Breakdown of all 15 schools within 1 mile, by phase.

15 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

35/100
Limited transport options - primarily bus-dependent.

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 CM1 broken out by HMLR property type, last 5 years.

Detached
£597,000
1,239 sales
Semi-detached
£420,000
1,346 sales
Terraced
£358,000
1,103 sales
Flat
£230,000
1,539 sales

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

Price Trends

Momentum for Chelmsford. For the headline CM1 median see the top of the page; for the smoothed local-authority average see the House Price Index section above.

+3.8%
1 Year Change
stable
Market Status
Chelmsford
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
0/10
No restrictions
Designation Stack
0
No designations
Climate Resilience
6/10
Mixed
Planning Constraints:
Built-up Area
What can I actually do here?
✓ Likely allowed (8)
  • Single-storey rear extension (under 4 m)
  • Loft conversion with rear dormer
  • Replace windows (uPVC, double-glazed)
  • Solar PV panels on roof
  • Heat pump (air source) external unit
  • Front porch (under 3 m²)
  • Outbuilding / garden room
  • Fell or significantly prune a tree
⚠ Needs consent (2)
  • Drop kerb / new vehicle access
  • Demolish + rebuild
✗ Blocked (0)
  • —

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

View council planning portal →

Source: planning.data.gov.uk

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

70/100

Good walkability with most amenities within walking distance.

Within ½ mile:25 places

Source: OpenStreetMap

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Explore More for CM1

Price TrendsCost of LivingFlatsHousesDetachedSemi-DetachedTerraced

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Local Climate

5-year average from Open-Meteo

11.3°C
Avg Temperature
710mm
Annual Rainfall
2813h
Sunshine/Year
22.6 km/h
Avg Wind
Warmest: July
Coldest: January
Wettest: October
Driest: April
Now: 15.5°C, Clear skyHumidity: 76%

Source: Open-Meteo Historical Weather API

Food Hygiene Ratings

45 rated establishments within 1 mile

4.9/5
Average Rating
98%
Rated Good or Very Good
45
Total Establishments
North Avenue Youth CentreOther catering premises
5/5
Parkside Community HubTakeaway/sandwich shop
5/5
Tanglewood Nursery SchoolCaring Premises
5/5
Red BeretPub/bar/nightclub
5/5
The Co-opRetailers - supermarkets/hypermarkets
5/5

Source: Food Standards Agency

Energy & Carbon Intensity

Grid region: Unknown

16%
Renewable Energy
220g
CO₂/kWh
high
Intensity Level

Generation Mix

gas 50.8%wind 16.3%biomass 12.6%nuclear 11.9%imports 8.3%hydro 0.1%

Source: National Grid ESO Carbon Intensity API

Elevation

46m
Elevatedabove sea level

At 46m above sea level, this location is well-elevated, significantly reducing flood risk from coastal and river sources.

Source: Open Topo Data (SRTM 30m)

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