Skip to content
Postcode area report · 963 postcodes

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.

The CM9 postcode district serves Braintree, England, with 963 postcodes currently in use. The surrounding Braintree district has a population of roughly 155,270. Over the last year the typical (median) sold price in CM9 has been £355,000.

Check any UK postcode

Where is CM9?

Map loads as you scroll…

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

PostcodeSuperfastGigabit
CM9 4AA100%90%
CM9 4AB100%100%
CM9 4AD100%100%
CM9 4AG100%100%
CM9 4AH100%0%
CM9 4AJ100%100%
CM9 4AL100%100%
CM9 4AN100%76%
CM9 4AP100%100%
CM9 4AR100%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:

CategoryIncidentsShare
Violence & sexual offences2645.6%
Shoplifting1424.6%
Criminal damage & arson610.5%
Other theft35.3%
Public order35.3%
Anti-social behaviour23.5%
Drugs23.5%
Robbery11.8%

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

DatePriceTypeStreetPostcode
11 May 2026£350,000Semi-detachedFitch's CrescentCM9 5JF
8 May 2026£385,000DetachedHatfield RoadCM9 6QA
8 May 2026£530,000DetachedLancaster AvenueCM9 6FY
6 May 2026£675,000DetachedWash LaneCM9 8LX
5 May 2026£420,000DetachedMarlpits RoadCM9 6TL
1 May 2026£345,000Semi-detachedMillwaysCM9 8NR
1 May 2026£198,000FlatHeriot WayCM9 8BW
1 May 2026£485,000DetachedEmperor CloseCM9 4PL
30 Apr 2026£350,000TerracedPark DriveCM9 5JQ
28 Apr 2026£265,000TerracedWantz RoadCM9 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 1518.5%
15–2921.2%
30–4419.1%
45–6420.8%
65+20.5%
Housing tenure
Owner-occupied67.9%
Private rented15.1%
Social rented12.9%

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around CM9

SchoolPhaseAgesPupilsPostcode
Plume SchoolSecondary11–181,789CM9 6AB
Wentworth Primary SchoolPrimary4–11437CM9 6JN
Great Totham Primary SchoolPrimary4–11431CM9 8PN
Heybridge Primary SchoolPrimary2–11428CM9 4TU
All Saints Maldon Church of England Voluntary Controlled Primary SchoolPrimary4–11316CM9 6HY
St Francis Catholic Primary School, MaldonPrimary4–11196CM9 6HN
Maldon Primary SchoolPrimary4–11171CM9 5DQ
Tollesbury SchoolPrimary4–11169CM9 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:

Had a call from an unknown number? Use our free UK phone number checker to see who called.

What's it like living in CM9?

Be the first to rate CM9 (Braintree).

How would you rate living in CM9 (Braintree)?

Share what it's like

Moving to CM9? Sort your connectivity first

We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Braintree — free, no-obligation quote.

Get my quote ›

Postcodes in CM9

Neighbouring districts

All Chelmsford (CM) postcode districts ›

Frequently asked questions

Where is the CM9 postcode?
CM9 covers Braintree in England. It contains 963 live postcodes. Use the map and the postcode list on this page to pinpoint an exact address.
How much do houses cost in CM9?
Based on 383 sales recorded by HM Land Registry in the last 12 months, the median price paid in CM9 is £355,000. See the house-price section above for medians by property type and the most recent sales.
Is CM9 a safe area?
Police recorded 57 incidents within a mile of the centre of CM9 in May 2026, with Violence & sexual offences the most common category. Compare the breakdown above and check street-level detail on police.uk before drawing conclusions — a busy high street inflates raw counts.
What broadband can I get in CM9?
Superfast broadband reaches 96.1% of premises in CM9 and gigabit-capable services 81.8%, per Ofcom Connected Nations. Enter a full postcode in the checker on this page for address-level availability.
Who lives in CM9?
In the wider Braintree district, 68% of households own their home, 15% rent privately and 13% are in social housing (Census 2021). The age profile and household counts are in the demographics section above.
How energy efficient are homes in CM9?
Across a sample of 150 Energy Performance Certificates in CM9, the most common rating is band D and the average is band D. 51 of the sampled homes are rated C or better. See the EPC section above for the full band breakdown.

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.

Sitemap