CM4 postcode district: Ingatestone and around, Essex

CM4 is a postcode district in Essex, with 442 postcodes in use in 2 sectors. It has postcodes in Ingatestone, Stock, Billericay and 1 more place. It is split between 4 councils: Brentwood (250 postcodes), Chelmsford (165), Epping Forest (23) and 1 other.

Postcodes in use: 442
Sectors: 2
Councils: 4 councils
Places: 4 places

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in CM4, by gigabit broadband

No home or business can get gigabit: 182
Some can get gigabit: 99
Every home and business can get gigabit: 141
Ofcom gives no figure: 20
Outline: where 5 or more postcodes without gigabit lie together

Of the 442 postcodes in CM4 that ONS places, 182 have no home or business that can get gigabit, 99 have some that can, 141 can all get it and 20 have no Ofcom figure.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. A dashed outline shows where 5 or more lie within 190 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 51.6751, longitude 0.3894. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; gigabit: Ofcom, Connected Nations, Spring 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Postcodes without gigabit

182 postcodes here have no gigabit. These are the 12 first in postcode order.

CM4 0BG CM4 0BN CM4 0BS CM4 0BU CM4 0BW CM4 0DF CM4 0DH CM4 0DL CM4 0DN CM4 0DP CM4 0DQ CM4 0DS

Where the postcodes without gigabit lie together

48 postcodes without gigabit, outlined on the map. CM4 9NJ, is the one nearest the middle of them.
12 postcodes without gigabit, outlined on the map. CM4 9DN, is the one nearest the middle of them.
12 postcodes without gigabit, outlined on the map. CM4 9HE, is the one nearest the middle of them.
6 postcodes without gigabit, outlined on the map. CM4 0PH, is the one nearest the middle of them.
6 postcodes without gigabit, outlined on the map. CM4 9AE, is the one nearest the middle of them.
5 postcodes without gigabit, outlined on the map. CM4 0BW, is the one nearest the middle of them.

What broadband can you get in CM4?

Ofcom reports on 422 of the 442 postcodes in CM4. At 141 of them every home and business can get gigabit broadband, and at 1 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit141 of 422

Postcodes where every home can get superfast345 of 422

Postcodes where some cannot get decent broadband1 of 422

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is CM4 at risk of flooding?

24 of the 442 postcodes in CM4 have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 54 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 24 of 442 postcodes High: 35Medium: 19Low: 69

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

What do homes sell for in CM4?

Homes in CM4 sold for a typical £672,500 in the 12 months to August 2026, across 132 sales, down 7.4% on the 12 months before, HM Land Registry's figures show.

£672,500 typical price, the 12 months to August 2026

£726,198 12 months to August 2025

▼ down 7.4% on the 12 months before

Detached £905,000 69 sales
Semi-detached £602,500 34 sales
Terraced £555,000 14 sales
Flat or maisonette £300,000 15 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it