CM9 postcode area guide — Braintree
House prices, crime, broadband speeds, mobile signal, schools and demographics for the CM9 postcode district in Braintree — every official dataset on one page.
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Where is CM9?
Broadband & internet speeds in CM9
Excellent coverage
Superfast (30Mb+)
96.1%
Ultrafast (300Mb+)
81.8%
Gigabit-capable
81.8%
Below USO (10Mb)
0.5%
Broadband availability in the CM9 postcode district (Braintree) is Excellent — gigabit-capable full fibre is widely available. Across the 963 postcodes Ofcom measures in CM9, superfast broadband (30 Mbit/s or faster) reaches 96.1% of premises and gigabit-capable lines are available to 81.8%.
Around 0.5% of premises in CM9 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in CM9
| Postcode | Superfast | Gigabit |
|---|---|---|
| CM9 4AA | 100% | 90% |
| CM9 4AB | 100% | 100% |
| CM9 4AD | 100% | 100% |
| CM9 4AG | 100% | 100% |
| CM9 4AH | 100% | 0% |
| CM9 4AJ | 100% | 100% |
| CM9 4AL | 100% | 100% |
| CM9 4AN | 100% | 76% |
| CM9 4AP | 100% | 100% |
| CM9 4AR | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Braintree
Ofcom's coverage model for the wider Braintree district (75,867 premises):
4G indoors — all networks
84.6%
4G outdoors — all networks
99%
5G outdoors — all networks
42.5%
Voice indoors — all networks
87.7%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in CM9
Police recorded 57 incidents within about a mile of the centre of CM9 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 26 | 45.6% |
| Shoplifting | 14 | 24.6% |
| Criminal damage & arson | 6 | 10.5% |
| Other theft | 3 | 5.3% |
| Public order | 3 | 5.3% |
| Anti-social behaviour | 2 | 3.5% |
| Drugs | 2 | 3.5% |
| Robbery | 1 | 1.8% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in CM9
Based on 383 sales registered with HM Land Registry in the last 12 months, the median sold price in CM9 is £355,000, down 6.6% on the previous year (£380,000).
Detached
£510,000
139 sales
Semi-detached
£342,500
123 sales
Terraced
£295,000
75 sales
Flat / maisonette
£190,000
38 sales
Latest recorded sales in CM9
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 11 May 2026 | £350,000 | Semi-detached | Fitch's Crescent | CM9 5JF |
| 8 May 2026 | £385,000 | Detached | Hatfield Road | CM9 6QA |
| 8 May 2026 | £530,000 | Detached | Lancaster Avenue | CM9 6FY |
| 6 May 2026 | £675,000 | Detached | Wash Lane | CM9 8LX |
| 5 May 2026 | £420,000 | Detached | Marlpits Road | CM9 6TL |
| 1 May 2026 | £345,000 | Semi-detached | Millways | CM9 8NR |
| 1 May 2026 | £198,000 | Flat | Heriot Way | CM9 8BW |
| 1 May 2026 | £485,000 | Detached | Emperor Close | CM9 4PL |
| 30 Apr 2026 | £350,000 | Terraced | Park Drive | CM9 5JQ |
| 28 Apr 2026 | £265,000 | Terraced | Wantz Road | CM9 5DG |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Braintree demographics
Census 2021 figures for the wider Braintree district (155,270 residents, 64,983 households):
| Age profile | |
|---|---|
| Under 15 | 18.5% |
| 15–29 | 21.2% |
| 30–44 | 19.1% |
| 45–64 | 20.8% |
| 65+ | 20.5% |
| Housing tenure | |
|---|---|
| Owner-occupied | 67.9% |
| Private rented | 15.1% |
| Social rented | 12.9% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around CM9
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Plume School | Secondary | 11–18 | 1,789 | CM9 6AB |
| Wentworth Primary School | Primary | 4–11 | 437 | CM9 6JN |
| Great Totham Primary School | Primary | 4–11 | 431 | CM9 8PN |
| Heybridge Primary School | Primary | 2–11 | 428 | CM9 4TU |
| All Saints Maldon Church of England Voluntary Controlled Primary School | Primary | 4–11 | 316 | CM9 6HY |
| St Francis Catholic Primary School, Maldon | Primary | 4–11 | 196 | CM9 6HN |
| Maldon Primary School | Primary | 4–11 | 171 | CM9 5DQ |
| Tollesbury School | Primary | 4–11 | 169 | CM9 8QE |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in CM9
292 rated food businesses operate in CM9. 226 hold the top rating of 5, 11 are rated 4, and 1 are rated 2 or below.
Among the 5-rated: Action For Family Carers, Aldi Stores Ltd, All Saints Church Of England Primary School, Allied Pharmacy Bentalls Centre, Ansell & Sons.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in CM9
From a sample of 150 Energy Performance Certificates across 11 CM9 postcodes, the most common rating is band D (average band D). 34% of sampled homes are rated C or better.
Band B
4%
Band C
30%
Band D
45%
Band E
13%
Band F
7%
Band G
1%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for Braintree
Landlines around CM9 typically use:
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What's it like living in CM9?
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Moving to CM9? Sort your connectivity first
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Postcodes in CM9
Neighbouring districts
All Chelmsford (CM) postcode districts ›
Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.
