SE18 1 postcode sector in the SE18 district

SE18 1 is a sector of the SE18 district: every postcode that starts SE18 1. It has 197 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 SE18 1 sector, by flood risk

Map of every postcode in the SE18 1 sector, by flood risk Of the 197 postcodes in the SE18 1 sector that ONS places, 2 are at medium risk at worst, 3 are at low risk at worst, 53 are at very low risk only and 139 are not on the Environment Agency's at-risk list. Places named: Plumstead & Glyndon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A209A206 SE18 1AA: not on the flood risk listSE18 1AB: not on the flood risk listSE18 1AD: not on the flood risk listSE18 1AE: not on the flood risk listSE18 1AF: not on the flood risk listSE18 1AG: not on the flood risk listSE18 1AH: not on the flood risk listSE18 1AL: not on the flood risk listSE18 1AN: not on the flood risk listSE18 1AP: not on the flood risk listSE18 1AQ: not on the flood risk listSE18 1AR: not on the flood risk listSE18 1AS: not on the flood risk listSE18 1AT: not on the flood risk listSE18 1AU: not on the flood risk listSE18 1AW: not on the flood risk listSE18 1AX: not on the flood risk listSE18 1AY: not on the flood risk listSE18 1AZ: not on the flood risk listSE18 1BA: not on the flood risk listSE18 1BB: not on the flood risk listSE18 1BF: not on the flood risk listSE18 1BH: not on the flood risk listSE18 1BJ: not on the flood risk listSE18 1BL: not on the flood risk listSE18 1BQ: not on the flood risk listSE18 1DP: not on the flood risk listSE18 1DS: not on the flood risk listSE18 1DU: not on the flood risk listSE18 1DX: not on the flood risk listSE18 1DY: not on the flood risk listSE18 1FA: not on the flood risk listSE18 1FD: not on the flood risk listSE18 1HE: not on the flood risk listSE18 1HF: not on the flood risk listSE18 1HH: not on the flood risk listSE18 1HL: not on the flood risk listSE18 1HP: not on the flood risk listSE18 1HR: not on the flood risk listSE18 1HW: not on the flood risk listSE18 1JB: not on the flood risk listSE18 1JG: not on the flood risk listSE18 1JH: not on the flood risk listSE18 1JL: not on the flood risk listSE18 1JN: not on the flood risk listSE18 1JP: not on the flood risk listSE18 1JQ: not on the flood risk listSE18 1JR: not on the flood risk listSE18 1JT: not on the flood risk listSE18 1JW: not on the flood risk listSE18 1JY: not on the flood risk listSE18 1JZ: not on the flood risk listSE18 1LA: not on the flood risk listSE18 1LB: not on the flood risk listSE18 1LG: not on the flood risk listSE18 1LH: not on the flood risk listSE18 1LJ: not on the flood risk listSE18 1LL: not on the flood risk listSE18 1LN: not on the flood risk listSE18 1LP: not on the flood risk listSE18 1LQ: not on the flood risk listSE18 1LR: not on the flood risk listSE18 1LS: not on the flood risk listSE18 1LW: not on the flood risk listSE18 1NB: not on the flood risk listSE18 1ND: not on the flood risk listSE18 1NE: not on the flood risk listSE18 1NF: not on the flood risk listSE18 1NG: not on the flood risk listSE18 1NQ: not on the flood risk listSE18 1NR: not on the flood risk listSE18 1NS: not on the flood risk listSE18 1NT: not on the flood risk listSE18 1NU: not on the flood risk listSE18 1NW: not on the flood risk listSE18 1NX: not on the flood risk listSE18 1NY: not on the flood risk listSE18 1NZ: not on the flood risk listSE18 1PA: not on the flood risk listSE18 1PB: not on the flood risk listSE18 1PD: not on the flood risk listSE18 1PE: not on the flood risk listSE18 1PF: not on the flood risk listSE18 1PG: not on the flood risk listSE18 1PH: not on the flood risk listSE18 1PJ: not on the flood risk listSE18 1PL: not on the flood risk listSE18 1PN: not on the flood risk listSE18 1PP: not on the flood risk listSE18 1PR: not on the flood risk listSE18 1PS: not on the flood risk listSE18 1PT: not on the flood risk listSE18 1PU: not on the flood risk listSE18 1PW: not on the flood risk listSE18 1PX: not on the flood risk listSE18 1PY: not on the flood risk listSE18 1PZ: not on the flood risk listSE18 1QA: not on the flood risk listSE18 1QB: not on the flood risk listSE18 1QD: not on the flood risk listSE18 1QE: not on the flood risk listSE18 1QF: not on the flood risk listSE18 1QG: not on the flood risk listSE18 1QJ: not on the flood risk listSE18 1QQ: not on the flood risk listSE18 1QR: not on the flood risk listSE18 1QS: not on the flood risk listSE18 1QT: not on the flood risk listSE18 1QU: not on the flood risk listSE18 1QX: not on the flood risk listSE18 1QY: not on the flood risk listSE18 1RD: not on the flood risk listSE18 1RE: not on the flood risk listSE18 1RF: not on the flood risk listSE18 1RG: not on the flood risk listSE18 1RJ: not on the flood risk listSE18 1RL: not on the flood risk listSE18 1RN: not on the flood risk listSE18 1RP: not on the flood risk listSE18 1RQ: not on the flood risk listSE18 1RS: not on the flood risk listSE18 1RT: not on the flood risk listSE18 1RW: not on the flood risk listSE18 1RX: not on the flood risk listSE18 1SE: not on the flood risk listSE18 1SJ: not on the flood risk listSE18 1ST: not on the flood risk listSE18 1SU: not on the flood risk listSE18 1SY: not on the flood risk listSE18 1SZ: not on the flood risk listSE18 1TA: not on the flood risk listSE18 1TB: not on the flood risk listSE18 1TD: not on the flood risk listSE18 1TE: not on the flood risk listSE18 1TF: not on the flood risk listSE18 1TG: not on the flood risk listSE18 1YX: not on the flood risk listSE18 1BG: very low flood risk onlySE18 1BN: very low flood risk onlySE18 1BS: very low flood risk onlySE18 1BT: very low flood risk onlySE18 1BU: very low flood risk onlySE18 1BW: very low flood risk onlySE18 1BX: very low flood risk onlySE18 1BY: very low flood risk onlySE18 1BZ: very low flood risk onlySE18 1DA: very low flood risk onlySE18 1DB: very low flood risk onlySE18 1DD: very low flood risk onlySE18 1DE: very low flood risk onlySE18 1DF: very low flood risk onlySE18 1DG: very low flood risk onlySE18 1DJ: very low flood risk onlySE18 1DL: very low flood risk onlySE18 1DN: very low flood risk onlySE18 1DQ: very low flood risk onlySE18 1DW: very low flood risk onlySE18 1EA: very low flood risk onlySE18 1EB: very low flood risk onlySE18 1ED: very low flood risk onlySE18 1EE: very low flood risk onlySE18 1EF: very low flood risk onlySE18 1EJ: very low flood risk onlySE18 1EL: very low flood risk onlySE18 1EN: very low flood risk onlySE18 1EP: very low flood risk onlySE18 1ER: very low flood risk onlySE18 1ES: very low flood risk onlySE18 1ET: very low flood risk onlySE18 1EW: very low flood risk onlySE18 1HJ: very low flood risk onlySE18 1HN: very low flood risk onlySE18 1HS: very low flood risk onlySE18 1HT: very low flood risk onlySE18 1HU: very low flood risk onlySE18 1HX: very low flood risk onlySE18 1HY: very low flood risk onlySE18 1HZ: very low flood risk onlySE18 1SA: very low flood risk onlySE18 1SB: very low flood risk onlySE18 1SF: very low flood risk onlySE18 1SG: very low flood risk onlySE18 1SH: very low flood risk onlySE18 1SL: very low flood risk onlySE18 1SN: very low flood risk onlySE18 1SP: very low flood risk onlySE18 1SQ: very low flood risk onlySE18 1SS: very low flood risk onlySE18 1SW: very low flood risk onlySE18 1EG: low flood risk at worstSE18 1EH: low flood risk at worstSE18 1EQ: low flood risk at worstSE18 1JU: medium flood risk at worstSE18 1JX: medium flood risk at worst Plumstead & Glyndon Map of every postcode in the SE18 1 sector, by flood risk Of the 197 postcodes in the SE18 1 sector that ONS places, 2 are at medium risk at worst, 3 are at low risk at worst, 53 are at very low risk only and 139 are not on the Environment Agency's at-risk list. Places named: Plumstead & Glyndon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Plumstead & Glyndon
  • A home or business at high risk: 0
  • At medium risk at worst: 2
  • At low risk at worst: 3
  • At very low risk only: 53
  • Not on the at-risk list: 139

Of the 197 postcodes in the SE18 1 sector that ONS places, 2 are at medium risk at worst, 3 are at low risk at worst, 53 are at very low risk only and 139 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 medium risk at worst

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

SE18 1JU18 at medium riskSE18 1JX6 at medium risk

What do homes sell for in SE18 1?

Homes in SE18 1 sold for a typical £404,000 in the 12 months to August 2026, across 68 sales, down 2.1% on the 12 months before, HM Land Registry's figures show.

£404,000 typical price, the 12 months to August 2026
£412,500 12 months to August 2025
▼ down 2.1% on the 12 months before
  • Semi-detached 3 sales, too few to price
  • Terraced £415,000 57 sales
  • Flat or maisonette £263,250 8 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 SE18 1. 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 SE18 1

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.

SE18 1AASE18 1ABSE18 1ADSE18 1AESE18 1AFSE18 1AGSE18 1AHSE18 1ALSE18 1ANSE18 1APSE18 1AQSE18 1ARSE18 1ASSE18 1ATSE18 1AUSE18 1AWSE18 1AXSE18 1AYSE18 1AZSE18 1BASE18 1BBSE18 1BFSE18 1BGSE18 1BHSE18 1BJSE18 1BLSE18 1BNSE18 1BQSE18 1BSSE18 1BTSE18 1BUSE18 1BWSE18 1BXSE18 1BYSE18 1BZSE18 1DASE18 1DBSE18 1DDSE18 1DESE18 1DFSE18 1DGSE18 1DJSE18 1DLSE18 1DNSE18 1DPSE18 1DQSE18 1DRSE18 1DSSE18 1DUSE18 1DWSE18 1DXSE18 1DYSE18 1EASE18 1EBSE18 1EDSE18 1EESE18 1EFSE18 1EGSE18 1EHSE18 1EJSE18 1ELSE18 1ENSE18 1EPSE18 1EQSE18 1ERSE18 1ESSE18 1ETSE18 1EWSE18 1FASE18 1FBSE18 1FDSE18 1HESE18 1HFSE18 1HHSE18 1HJSE18 1HLSE18 1HNSE18 1HPSE18 1HRSE18 1HSSE18 1HTSE18 1HUSE18 1HWSE18 1HXSE18 1HYSE18 1HZSE18 1JBSE18 1JGSE18 1JHSE18 1JLSE18 1JNSE18 1JPSE18 1JQSE18 1JRSE18 1JTSE18 1JUSE18 1JWSE18 1JXSE18 1JYSE18 1JZSE18 1LASE18 1LBSE18 1LGSE18 1LHSE18 1LJSE18 1LLSE18 1LNSE18 1LPSE18 1LQSE18 1LRSE18 1LSSE18 1LWSE18 1NBSE18 1NDSE18 1NESE18 1NFSE18 1NGSE18 1NQSE18 1NRSE18 1NSSE18 1NTSE18 1NUSE18 1NWSE18 1NXSE18 1NYSE18 1NZSE18 1PASE18 1PBSE18 1PDSE18 1PESE18 1PFSE18 1PGSE18 1PHSE18 1PJSE18 1PLSE18 1PNSE18 1PPSE18 1PRSE18 1PSSE18 1PTSE18 1PUSE18 1PWSE18 1PXSE18 1PYSE18 1PZSE18 1QASE18 1QBSE18 1QDSE18 1QESE18 1QFSE18 1QGSE18 1QJSE18 1QQSE18 1QRSE18 1QSSE18 1QTSE18 1QUSE18 1QXSE18 1QYSE18 1RDSE18 1RESE18 1RFSE18 1RGSE18 1RJSE18 1RLSE18 1RNSE18 1RPSE18 1RQSE18 1RSSE18 1RTSE18 1RWSE18 1RXSE18 1SASE18 1SBSE18 1SESE18 1SFSE18 1SGSE18 1SHSE18 1SJSE18 1SLSE18 1SNSE18 1SPSE18 1SQSE18 1SRSE18 1SSSE18 1STSE18 1SUSE18 1SWSE18 1SYSE18 1SZSE18 1TASE18 1TBSE18 1TDSE18 1TESE18 1TFSE18 1TGSE18 1YX

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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