SE12 9 postcode sector in the SE12 district

SE12 9 is a sector of the SE12 district: every postcode that starts SE12 9. It has 177 postcodes in use, 3 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 SE12 9 sector, by flood risk

Map of every postcode in the SE12 9 sector, by flood risk Of the 177 postcodes in the SE12 9 sector that ONS places, 3 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst, 4 are at very low risk only and 168 are not on the Environment Agency's at-risk list. Places named: Grove Park, Middle Park & Horn Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A20A208 SE12 9AA: not on the flood risk listSE12 9AB: not on the flood risk listSE12 9AD: not on the flood risk listSE12 9AE: not on the flood risk listSE12 9AF: not on the flood risk listSE12 9AG: not on the flood risk listSE12 9AH: not on the flood risk listSE12 9AJ: not on the flood risk listSE12 9AN: not on the flood risk listSE12 9AQ: not on the flood risk listSE12 9AR: not on the flood risk listSE12 9AT: not on the flood risk listSE12 9AW: not on the flood risk listSE12 9AX: not on the flood risk listSE12 9AY: not on the flood risk listSE12 9BD: not on the flood risk listSE12 9BE: not on the flood risk listSE12 9BG: not on the flood risk listSE12 9BH: not on the flood risk listSE12 9BJ: not on the flood risk listSE12 9BL: not on the flood risk listSE12 9BN: not on the flood risk listSE12 9BP: not on the flood risk listSE12 9BQ: not on the flood risk listSE12 9BS: not on the flood risk listSE12 9BT: not on the flood risk listSE12 9BU: not on the flood risk listSE12 9BW: not on the flood risk listSE12 9BX: not on the flood risk listSE12 9BY: not on the flood risk listSE12 9BZ: not on the flood risk listSE12 9DN: not on the flood risk listSE12 9DP: not on the flood risk listSE12 9DQ: not on the flood risk listSE12 9DR: not on the flood risk listSE12 9DS: not on the flood risk listSE12 9DT: not on the flood risk listSE12 9DU: not on the flood risk listSE12 9DW: not on the flood risk listSE12 9DX: not on the flood risk listSE12 9DY: not on the flood risk listSE12 9DZ: not on the flood risk listSE12 9EA: not on the flood risk listSE12 9EB: not on the flood risk listSE12 9ED: not on the flood risk listSE12 9EE: not on the flood risk listSE12 9EF: not on the flood risk listSE12 9ET: not on the flood risk listSE12 9EU: not on the flood risk listSE12 9EX: not on the flood risk listSE12 9EY: not on the flood risk listSE12 9GA: not on the flood risk listSE12 9HA: not on the flood risk listSE12 9HB: not on the flood risk listSE12 9HD: not on the flood risk listSE12 9HE: not on the flood risk listSE12 9HF: not on the flood risk listSE12 9HP: not on the flood risk listSE12 9HS: not on the flood risk listSE12 9HT: not on the flood risk listSE12 9HU: not on the flood risk listSE12 9HX: not on the flood risk listSE12 9HY: not on the flood risk listSE12 9HZ: not on the flood risk listSE12 9JA: not on the flood risk listSE12 9JB: not on the flood risk listSE12 9JD: not on the flood risk listSE12 9JG: not on the flood risk listSE12 9JH: not on the flood risk listSE12 9JJ: not on the flood risk listSE12 9JL: not on the flood risk listSE12 9JN: not on the flood risk listSE12 9JQ: not on the flood risk listSE12 9LA: not on the flood risk listSE12 9LB: not on the flood risk listSE12 9LD: not on the flood risk listSE12 9LE: not on the flood risk listSE12 9LF: not on the flood risk listSE12 9LG: not on the flood risk listSE12 9LH: not on the flood risk listSE12 9LJ: not on the flood risk listSE12 9LQ: not on the flood risk listSE12 9LS: not on the flood risk listSE12 9LT: not on the flood risk listSE12 9LU: not on the flood risk listSE12 9LX: not on the flood risk listSE12 9LY: not on the flood risk listSE12 9LZ: not on the flood risk listSE12 9NA: not on the flood risk listSE12 9NB: not on the flood risk listSE12 9ND: not on the flood risk listSE12 9NE: not on the flood risk listSE12 9NF: not on the flood risk listSE12 9NG: not on the flood risk listSE12 9NH: not on the flood risk listSE12 9NJ: not on the flood risk listSE12 9NL: not on the flood risk listSE12 9NN: not on the flood risk listSE12 9NQ: not on the flood risk listSE12 9PA: not on the flood risk listSE12 9PB: not on the flood risk listSE12 9PE: not on the flood risk listSE12 9PF: not on the flood risk listSE12 9PG: not on the flood risk listSE12 9PJ: not on the flood risk listSE12 9PL: not on the flood risk listSE12 9PN: not on the flood risk listSE12 9PP: not on the flood risk listSE12 9PQ: not on the flood risk listSE12 9PR: not on the flood risk listSE12 9PS: not on the flood risk listSE12 9PT: not on the flood risk listSE12 9PU: not on the flood risk listSE12 9PW: not on the flood risk listSE12 9PX: not on the flood risk listSE12 9PY: not on the flood risk listSE12 9PZ: not on the flood risk listSE12 9QA: not on the flood risk listSE12 9QB: not on the flood risk listSE12 9QD: not on the flood risk listSE12 9QE: not on the flood risk listSE12 9QF: not on the flood risk listSE12 9QL: not on the flood risk listSE12 9QN: not on the flood risk listSE12 9QP: not on the flood risk listSE12 9QQ: not on the flood risk listSE12 9QR: not on the flood risk listSE12 9QS: not on the flood risk listSE12 9QT: not on the flood risk listSE12 9QU: not on the flood risk listSE12 9QW: not on the flood risk listSE12 9QX: not on the flood risk listSE12 9QY: not on the flood risk listSE12 9QZ: not on the flood risk listSE12 9RA: not on the flood risk listSE12 9RB: not on the flood risk listSE12 9RR: not on the flood risk listSE12 9RS: not on the flood risk listSE12 9RT: not on the flood risk listSE12 9RU: not on the flood risk listSE12 9RX: not on the flood risk listSE12 9RY: not on the flood risk listSE12 9RZ: not on the flood risk listSE12 9SA: not on the flood risk listSE12 9SB: not on the flood risk listSE12 9SD: not on the flood risk listSE12 9SE: not on the flood risk listSE12 9SU: not on the flood risk listSE12 9SX: not on the flood risk listSE12 9SZ: not on the flood risk listSE12 9TA: not on the flood risk listSE12 9TF: not on the flood risk listSE12 9TG: not on the flood risk listSE12 9TH: not on the flood risk listSE12 9TJ: not on the flood risk listSE12 9TL: not on the flood risk listSE12 9TN: not on the flood risk listSE12 9TP: not on the flood risk listSE12 9TQ: not on the flood risk listSE12 9TR: not on the flood risk listSE12 9TW: not on the flood risk listSE12 9TY: not on the flood risk listSE12 9TZ: not on the flood risk listSE12 9UA: not on the flood risk listSE12 9UD: not on the flood risk listSE12 9WN: not on the flood risk listSE12 9TE: very low flood risk onlySE12 9TT: very low flood risk onlySE12 9TX: very low flood risk onlySE12 9TU: low flood risk at worstSE12 9TS: medium flood risk at worstSE12 9EZ: high flood riskSE12 9PH: high flood riskSE12 9RP: high flood risk Grove ParkMiddle Park & Horn Park Map of every postcode in the SE12 9 sector, by flood risk Of the 177 postcodes in the SE12 9 sector that ONS places, 3 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst, 4 are at very low risk only and 168 are not on the Environment Agency's at-risk list. Places named: Grove Park, Middle Park & Horn Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A2212A20 Grove ParkMiddle Park & Horn Park
  • A home or business at high risk: 3
  • At medium risk at worst: 1
  • At low risk at worst: 1
  • At very low risk only: 4
  • Not on the at-risk list: 168

Of the 177 postcodes in the SE12 9 sector that ONS places, 3 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst, 4 are at very low risk only and 168 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. Names in italics are council wards: we hold no town or village names here.

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.

SE12 9EZ1 at high riskSE12 9PH1 at high riskSE12 9RP1 at high risk

What do homes sell for in SE12 9?

Homes in SE12 9 sold for a typical £455,000 in the 12 months to August 2026, across 59 sales, up 7.1% on the 12 months before, HM Land Registry's figures show.

£455,000 typical price, the 12 months to August 2026
£425,000 12 months to August 2025
▲ up 7.1% on the 12 months before
  • Detached £780,000 7 sales
  • Semi-detached £535,000 13 sales
  • Terraced £447,500 26 sales
  • Flat or maisonette £285,000 13 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 SE12 9. 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 SE12 9

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.

SE12 9AASE12 9ABSE12 9ADSE12 9AESE12 9AFSE12 9AGSE12 9AHSE12 9AJSE12 9ANSE12 9AQSE12 9ARSE12 9ATSE12 9AWSE12 9AXSE12 9AYSE12 9BDSE12 9BESE12 9BGSE12 9BHSE12 9BJSE12 9BLSE12 9BNSE12 9BPSE12 9BQSE12 9BSSE12 9BTSE12 9BUSE12 9BWSE12 9BXSE12 9BYSE12 9BZSE12 9DNSE12 9DPSE12 9DQSE12 9DRSE12 9DSSE12 9DTSE12 9DUSE12 9DWSE12 9DXSE12 9DYSE12 9DZSE12 9EASE12 9EBSE12 9EDSE12 9EESE12 9EFSE12 9ETSE12 9EUSE12 9EXSE12 9EYSE12 9EZSE12 9GASE12 9HASE12 9HBSE12 9HDSE12 9HESE12 9HFSE12 9HPSE12 9HSSE12 9HTSE12 9HUSE12 9HXSE12 9HYSE12 9HZSE12 9JASE12 9JBSE12 9JDSE12 9JGSE12 9JHSE12 9JJSE12 9JLSE12 9JNSE12 9JQSE12 9LASE12 9LBSE12 9LDSE12 9LESE12 9LFSE12 9LGSE12 9LHSE12 9LJSE12 9LQSE12 9LSSE12 9LTSE12 9LUSE12 9LXSE12 9LYSE12 9LZSE12 9NASE12 9NBSE12 9NDSE12 9NESE12 9NFSE12 9NGSE12 9NHSE12 9NJSE12 9NLSE12 9NNSE12 9NQSE12 9PASE12 9PBSE12 9PESE12 9PFSE12 9PGSE12 9PHSE12 9PJSE12 9PLSE12 9PNSE12 9PPSE12 9PQSE12 9PRSE12 9PSSE12 9PTSE12 9PUSE12 9PWSE12 9PXSE12 9PYSE12 9PZSE12 9QASE12 9QBSE12 9QDSE12 9QESE12 9QFSE12 9QLSE12 9QNSE12 9QPSE12 9QQSE12 9QRSE12 9QSSE12 9QTSE12 9QUSE12 9QWSE12 9QXSE12 9QYSE12 9QZSE12 9RASE12 9RBSE12 9RPSE12 9RRSE12 9RSSE12 9RTSE12 9RUSE12 9RXSE12 9RYSE12 9RZSE12 9SASE12 9SBSE12 9SDSE12 9SESE12 9SUSE12 9SXSE12 9SZSE12 9TASE12 9TESE12 9TFSE12 9TGSE12 9THSE12 9TJSE12 9TLSE12 9TNSE12 9TPSE12 9TQSE12 9TRSE12 9TSSE12 9TTSE12 9TUSE12 9TWSE12 9TXSE12 9TYSE12 9TZSE12 9UASE12 9UBSE12 9UDSE12 9WNSE12 9ZGSE12 9ZQ

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

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