RM16 3 postcode sector in the RM16 district

RM16 3 is a sector of the RM16 district: every postcode that starts RM16 3. It has 116 postcodes in use, 4 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 RM16 3 sector, by flood risk

Map of every postcode in the RM16 3 sector, by flood risk Of the 116 postcodes in the RM16 3 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst, 1 are at very low risk only and 112 are not on the Environment Agency's at-risk list. Places named: Grays, South Ockendon, Chadwell St Mary. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A13A128M25A1089 RM16 3AA: not on the flood risk listRM16 3AB: not on the flood risk listRM16 3AD: not on the flood risk listRM16 3AE: not on the flood risk listRM16 3AG: not on the flood risk listRM16 3AL: not on the flood risk listRM16 3AP: not on the flood risk listRM16 3AQ: not on the flood risk listRM16 3AR: not on the flood risk listRM16 3AS: not on the flood risk listRM16 3AU: not on the flood risk listRM16 3AY: not on the flood risk listRM16 3AZ: not on the flood risk listRM16 3BA: not on the flood risk listRM16 3BB: not on the flood risk listRM16 3BE: not on the flood risk listRM16 3BF: not on the flood risk listRM16 3BG: not on the flood risk listRM16 3BH: not on the flood risk listRM16 3BL: not on the flood risk listRM16 3BP: not on the flood risk listRM16 3BS: not on the flood risk listRM16 3BT: not on the flood risk listRM16 3BX: not on the flood risk listRM16 3BY: not on the flood risk listRM16 3BZ: not on the flood risk listRM16 3DB: not on the flood risk listRM16 3DD: not on the flood risk listRM16 3DE: not on the flood risk listRM16 3DF: not on the flood risk listRM16 3DG: not on the flood risk listRM16 3DH: not on the flood risk listRM16 3DJ: not on the flood risk listRM16 3DL: not on the flood risk listRM16 3DN: not on the flood risk listRM16 3DP: not on the flood risk listRM16 3DQ: not on the flood risk listRM16 3DR: not on the flood risk listRM16 3DT: not on the flood risk listRM16 3DU: not on the flood risk listRM16 3DW: not on the flood risk listRM16 3DX: not on the flood risk listRM16 3DY: not on the flood risk listRM16 3EA: not on the flood risk listRM16 3EB: not on the flood risk listRM16 3ED: not on the flood risk listRM16 3EH: not on the flood risk listRM16 3EJ: not on the flood risk listRM16 3ER: not on the flood risk listRM16 3ET: not on the flood risk listRM16 3EU: not on the flood risk listRM16 3EX: not on the flood risk listRM16 3GS: not on the flood risk listRM16 3GT: not on the flood risk listRM16 3GU: not on the flood risk listRM16 3GW: not on the flood risk listRM16 3GY: not on the flood risk listRM16 3GZ: not on the flood risk listRM16 3HA: not on the flood risk listRM16 3HB: not on the flood risk listRM16 3HD: not on the flood risk listRM16 3HE: not on the flood risk listRM16 3HF: not on the flood risk listRM16 3HG: not on the flood risk listRM16 3HH: not on the flood risk listRM16 3HJ: not on the flood risk listRM16 3HL: not on the flood risk listRM16 3HP: not on the flood risk listRM16 3HQ: not on the flood risk listRM16 3HR: not on the flood risk listRM16 3HS: not on the flood risk listRM16 3HT: not on the flood risk listRM16 3HU: not on the flood risk listRM16 3JA: not on the flood risk listRM16 3JB: not on the flood risk listRM16 3JE: not on the flood risk listRM16 3JH: not on the flood risk listRM16 3JL: not on the flood risk listRM16 3JN: not on the flood risk listRM16 3JP: not on the flood risk listRM16 3JR: not on the flood risk listRM16 3JS: not on the flood risk listRM16 3JT: not on the flood risk listRM16 3JU: not on the flood risk listRM16 3JX: not on the flood risk listRM16 3LB: not on the flood risk listRM16 3LD: not on the flood risk listRM16 3LH: not on the flood risk listRM16 3LJ: not on the flood risk listRM16 3LP: not on the flood risk listRM16 3LS: not on the flood risk listRM16 3LT: not on the flood risk listRM16 3LX: not on the flood risk listRM16 3NB: not on the flood risk listRM16 3ND: not on the flood risk listRM16 3NH: not on the flood risk listRM16 3NJ: not on the flood risk listRM16 3NL: not on the flood risk listRM16 3NP: not on the flood risk listRM16 3NS: not on the flood risk listRM16 3RZ: not on the flood risk listRM16 3BD: very low flood risk onlyRM16 3AN: low flood risk at worstRM16 3EL: high flood riskRM16 3HX: high flood risk GraysSouth OckendonChadwell St Mary Map of every postcode in the RM16 3 sector, by flood risk Of the 116 postcodes in the RM16 3 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst, 1 are at very low risk only and 112 are not on the Environment Agency's at-risk list. Places named: Grays, South Ockendon, Chadwell St Mary. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A128A126 GraysSouth OckendonChadwell St Mary
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 1
  • At very low risk only: 1
  • Not on the at-risk list: 112

Of the 116 postcodes in the RM16 3 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst, 1 are at very low risk only and 112 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.

RM16 3EL13 at high riskRM16 3HX3 at high risk

What do homes sell for in RM16 3?

Homes in RM16 3 sold for a typical £427,500 in the 12 months to August 2026, across 51 sales, up 1.8% on the 12 months before, HM Land Registry's figures show.

£427,500 typical price, the 12 months to August 2026
£420,000 12 months to August 2025
▲ up 1.8% on the 12 months before
  • Detached £565,000 15 sales
  • Semi-detached £435,000 14 sales
  • Terraced £365,000 19 sales
  • Flat or maisonette 3 sales, too few to price

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 RM16 3. 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 RM16 3

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.

RM16 3AARM16 3ABRM16 3ADRM16 3AERM16 3AGRM16 3AHRM16 3ALRM16 3ANRM16 3APRM16 3AQRM16 3ARRM16 3ASRM16 3ATRM16 3AURM16 3AYRM16 3AZRM16 3BARM16 3BBRM16 3BDRM16 3BERM16 3BFRM16 3BGRM16 3BHRM16 3BLRM16 3BPRM16 3BSRM16 3BTRM16 3BURM16 3BWRM16 3BXRM16 3BYRM16 3BZRM16 3DBRM16 3DDRM16 3DERM16 3DFRM16 3DGRM16 3DHRM16 3DJRM16 3DLRM16 3DNRM16 3DPRM16 3DQRM16 3DRRM16 3DTRM16 3DURM16 3DWRM16 3DXRM16 3DYRM16 3DZRM16 3EARM16 3EBRM16 3EDRM16 3EHRM16 3EJRM16 3ELRM16 3ERRM16 3ETRM16 3EURM16 3EXRM16 3GSRM16 3GTRM16 3GURM16 3GWRM16 3GYRM16 3GZRM16 3HARM16 3HBRM16 3HDRM16 3HERM16 3HFRM16 3HGRM16 3HHRM16 3HJRM16 3HLRM16 3HNRM16 3HPRM16 3HQRM16 3HRRM16 3HSRM16 3HTRM16 3HURM16 3HWRM16 3HXRM16 3HZRM16 3JARM16 3JBRM16 3JDRM16 3JERM16 3JHRM16 3JLRM16 3JNRM16 3JPRM16 3JRRM16 3JSRM16 3JTRM16 3JURM16 3JXRM16 3LARM16 3LBRM16 3LDRM16 3LHRM16 3LJRM16 3LPRM16 3LSRM16 3LTRM16 3LXRM16 3NBRM16 3NDRM16 3NHRM16 3NJRM16 3NLRM16 3NPRM16 3NRRM16 3NSRM16 3RZ

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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