CM15 8 postcode sector in the CM15 district

CM15 8 is a sector of the CM15 district: every postcode that starts CM15 8. It has 160 postcodes in use, 10 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the CM15 8 sector, by flood risk

Map of every postcode in the CM15 8 sector, by flood risk Of the 160 postcodes in the CM15 8 sector that ONS places, 2 have a home or business at high risk, 3 are at low risk at worst and 155 are not on the Environment Agency's at-risk list. Places named: Brentwood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A12A1023 CM15 8AA: not on the flood risk listCM15 8AB: not on the flood risk listCM15 8AD: not on the flood risk listCM15 8AE: not on the flood risk listCM15 8AG: not on the flood risk listCM15 8AJ: not on the flood risk listCM15 8AP: not on the flood risk listCM15 8AQ: not on the flood risk listCM15 8AS: not on the flood risk listCM15 8AT: not on the flood risk listCM15 8AY: not on the flood risk listCM15 8AZ: not on the flood risk listCM15 8BA: not on the flood risk listCM15 8BD: not on the flood risk listCM15 8BE: not on the flood risk listCM15 8BG: not on the flood risk listCM15 8BJ: not on the flood risk listCM15 8BL: not on the flood risk listCM15 8BN: not on the flood risk listCM15 8BP: not on the flood risk listCM15 8BS: not on the flood risk listCM15 8BT: not on the flood risk listCM15 8BU: not on the flood risk listCM15 8BW: not on the flood risk listCM15 8BX: not on the flood risk listCM15 8BY: not on the flood risk listCM15 8BZ: not on the flood risk listCM15 8DA: not on the flood risk listCM15 8DB: not on the flood risk listCM15 8DD: not on the flood risk listCM15 8DE: not on the flood risk listCM15 8DG: not on the flood risk listCM15 8DH: not on the flood risk listCM15 8DJ: not on the flood risk listCM15 8DL: not on the flood risk listCM15 8DN: not on the flood risk listCM15 8DR: not on the flood risk listCM15 8DS: not on the flood risk listCM15 8DT: not on the flood risk listCM15 8DU: not on the flood risk listCM15 8DZ: not on the flood risk listCM15 8EB: not on the flood risk listCM15 8EE: not on the flood risk listCM15 8EG: not on the flood risk listCM15 8EH: not on the flood risk listCM15 8EJ: not on the flood risk listCM15 8EN: not on the flood risk listCM15 8ER: not on the flood risk listCM15 8ET: not on the flood risk listCM15 8EU: not on the flood risk listCM15 8EW: not on the flood risk listCM15 8EZ: not on the flood risk listCM15 8FA: not on the flood risk listCM15 8FE: not on the flood risk listCM15 8FF: not on the flood risk listCM15 8FH: not on the flood risk listCM15 8FL: not on the flood risk listCM15 8HA: not on the flood risk listCM15 8HD: not on the flood risk listCM15 8HE: not on the flood risk listCM15 8HG: not on the flood risk listCM15 8HH: not on the flood risk listCM15 8HJ: not on the flood risk listCM15 8HN: not on the flood risk listCM15 8HP: not on the flood risk listCM15 8HQ: not on the flood risk listCM15 8HS: not on the flood risk listCM15 8HT: not on the flood risk listCM15 8HU: not on the flood risk listCM15 8HW: not on the flood risk listCM15 8HX: not on the flood risk listCM15 8HY: not on the flood risk listCM15 8JA: not on the flood risk listCM15 8JD: not on the flood risk listCM15 8JF: not on the flood risk listCM15 8JJ: not on the flood risk listCM15 8JL: not on the flood risk listCM15 8JN: not on the flood risk listCM15 8JP: not on the flood risk listCM15 8JR: not on the flood risk listCM15 8JS: not on the flood risk listCM15 8JT: not on the flood risk listCM15 8JU: not on the flood risk listCM15 8JZ: not on the flood risk listCM15 8LA: not on the flood risk listCM15 8LB: not on the flood risk listCM15 8LD: not on the flood risk listCM15 8LE: not on the flood risk listCM15 8LF: not on the flood risk listCM15 8LG: not on the flood risk listCM15 8LH: not on the flood risk listCM15 8LP: not on the flood risk listCM15 8LR: not on the flood risk listCM15 8LS: not on the flood risk listCM15 8LT: not on the flood risk listCM15 8LU: not on the flood risk listCM15 8LX: not on the flood risk listCM15 8LZ: not on the flood risk listCM15 8NA: not on the flood risk listCM15 8NB: not on the flood risk listCM15 8NF: not on the flood risk listCM15 8NG: not on the flood risk listCM15 8NH: not on the flood risk listCM15 8NJ: not on the flood risk listCM15 8NL: not on the flood risk listCM15 8NN: not on the flood risk listCM15 8NQ: not on the flood risk listCM15 8NR: not on the flood risk listCM15 8PA: not on the flood risk listCM15 8PE: not on the flood risk listCM15 8PF: not on the flood risk listCM15 8PG: not on the flood risk listCM15 8PN: not on the flood risk listCM15 8PP: not on the flood risk listCM15 8PS: not on the flood risk listCM15 8PT: not on the flood risk listCM15 8PW: not on the flood risk listCM15 8PY: not on the flood risk listCM15 8PZ: not on the flood risk listCM15 8QA: not on the flood risk listCM15 8QD: not on the flood risk listCM15 8QE: not on the flood risk listCM15 8QL: not on the flood risk listCM15 8QN: not on the flood risk listCM15 8QP: not on the flood risk listCM15 8QS: not on the flood risk listCM15 8QT: not on the flood risk listCM15 8QU: not on the flood risk listCM15 8QW: not on the flood risk listCM15 8QX: not on the flood risk listCM15 8QY: not on the flood risk listCM15 8RA: not on the flood risk listCM15 8RB: not on the flood risk listCM15 8RD: not on the flood risk listCM15 8RE: not on the flood risk listCM15 8RF: not on the flood risk listCM15 8RG: not on the flood risk listCM15 8RH: not on the flood risk listCM15 8RJ: not on the flood risk listCM15 8RL: not on the flood risk listCM15 8RN: not on the flood risk listCM15 8RQ: not on the flood risk listCM15 8RX: not on the flood risk listCM15 8RY: not on the flood risk listCM15 8SA: not on the flood risk listCM15 8SB: not on the flood risk listCM15 8SD: not on the flood risk listCM15 8TD: not on the flood risk listCM15 8TG: not on the flood risk listCM15 8YQ: not on the flood risk listCM15 8PX: low flood risk at worstCM15 8RU: low flood risk at worstCM15 8SG: low flood risk at worstCM15 8QF: high flood riskCM15 8RT: high flood risk Brentwood Map of every postcode in the CM15 8 sector, by flood risk Of the 160 postcodes in the CM15 8 sector that ONS places, 2 have a home or business at high risk, 3 are at low risk at worst and 155 are not on the Environment Agency's at-risk list. Places named: Brentwood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A129A12 Brentwood
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 3
  • At very low risk only: 0
  • Not on the at-risk list: 155

Of the 160 postcodes in the CM15 8 sector that ONS places, 2 have a home or business at high risk, 3 are at low risk at worst and 155 are not on the Environment Agency's at-risk list.

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. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 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

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

What do homes sell for in CM15 8?

Homes in CM15 8 sold for a typical £807,500 in the 12 months to August 2026, across 96 sales, up 12.2% on the 12 months before, HM Land Registry's figures show.

£807,500 typical price, the 12 months to August 2026
£720,000 12 months to August 2025
▲ up 12.2% on the 12 months before
  • Detached £950,000 54 sales
  • Semi-detached £692,500 19 sales
  • Terraced 2 sales, too few to price
  • Flat or maisonette £335,000 21 sales

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

Standard sales of homes at market value at the postcodes that start CM15 8. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

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

Postcodes in CM15 8

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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