SE21 8 postcode sector in the SE21 district

SE21 8 is a sector of the SE21 district: every postcode that starts SE21 8. It has 191 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 SE21 8 sector, by flood risk

Map of every postcode in the SE21 8 sector, by flood risk Of the 191 postcodes in the SE21 8 sector that ONS places, 191 are not on the Environment Agency's at-risk list. Places named: West Dulwich, Dulwich Wood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A215 SE21 8AA: not on the flood risk listSE21 8AB: not on the flood risk listSE21 8AD: not on the flood risk listSE21 8AE: not on the flood risk listSE21 8AF: not on the flood risk listSE21 8AG: not on the flood risk listSE21 8AH: not on the flood risk listSE21 8AL: not on the flood risk listSE21 8AQ: not on the flood risk listSE21 8AR: not on the flood risk listSE21 8AS: not on the flood risk listSE21 8AT: not on the flood risk listSE21 8AU: not on the flood risk listSE21 8AX: not on the flood risk listSE21 8AY: not on the flood risk listSE21 8AZ: not on the flood risk listSE21 8BA: not on the flood risk listSE21 8BB: not on the flood risk listSE21 8BD: not on the flood risk listSE21 8BE: not on the flood risk listSE21 8BG: not on the flood risk listSE21 8BJ: not on the flood risk listSE21 8BN: not on the flood risk listSE21 8BP: not on the flood risk listSE21 8BS: not on the flood risk listSE21 8BT: not on the flood risk listSE21 8BU: not on the flood risk listSE21 8BW: not on the flood risk listSE21 8BX: not on the flood risk listSE21 8BY: not on the flood risk listSE21 8BZ: not on the flood risk listSE21 8DA: not on the flood risk listSE21 8DB: not on the flood risk listSE21 8DD: not on the flood risk listSE21 8DE: not on the flood risk listSE21 8DF: not on the flood risk listSE21 8DG: not on the flood risk listSE21 8DJ: not on the flood risk listSE21 8DP: not on the flood risk listSE21 8DR: not on the flood risk listSE21 8DS: not on the flood risk listSE21 8DT: not on the flood risk listSE21 8DU: not on the flood risk listSE21 8DW: not on the flood risk listSE21 8DX: not on the flood risk listSE21 8DY: not on the flood risk listSE21 8DZ: not on the flood risk listSE21 8EA: not on the flood risk listSE21 8EB: not on the flood risk listSE21 8ED: not on the flood risk listSE21 8EE: not on the flood risk listSE21 8EG: not on the flood risk listSE21 8EH: not on the flood risk listSE21 8EN: not on the flood risk listSE21 8EQ: not on the flood risk listSE21 8ER: not on the flood risk listSE21 8ES: not on the flood risk listSE21 8EU: not on the flood risk listSE21 8EX: not on the flood risk listSE21 8EZ: not on the flood risk listSE21 8GA: not on the flood risk listSE21 8HA: not on the flood risk listSE21 8HB: not on the flood risk listSE21 8HD: not on the flood risk listSE21 8HE: not on the flood risk listSE21 8HG: not on the flood risk listSE21 8HJ: not on the flood risk listSE21 8HN: not on the flood risk listSE21 8HP: not on the flood risk listSE21 8HS: not on the flood risk listSE21 8HT: not on the flood risk listSE21 8HU: not on the flood risk listSE21 8HW: not on the flood risk listSE21 8HX: not on the flood risk listSE21 8HY: not on the flood risk listSE21 8HZ: not on the flood risk listSE21 8JA: not on the flood risk listSE21 8JB: not on the flood risk listSE21 8JD: not on the flood risk listSE21 8JF: not on the flood risk listSE21 8JH: not on the flood risk listSE21 8JJ: not on the flood risk listSE21 8JL: not on the flood risk listSE21 8JN: not on the flood risk listSE21 8JP: not on the flood risk listSE21 8JR: not on the flood risk listSE21 8JS: not on the flood risk listSE21 8JU: not on the flood risk listSE21 8JW: not on the flood risk listSE21 8JX: not on the flood risk listSE21 8JY: not on the flood risk listSE21 8JZ: not on the flood risk listSE21 8LA: not on the flood risk listSE21 8LB: not on the flood risk listSE21 8LD: not on the flood risk listSE21 8LE: not on the flood risk listSE21 8LF: not on the flood risk listSE21 8LG: not on the flood risk listSE21 8LH: not on the flood risk listSE21 8LJ: not on the flood risk listSE21 8LL: not on the flood risk listSE21 8LN: not on the flood risk listSE21 8LP: not on the flood risk listSE21 8LQ: not on the flood risk listSE21 8LR: not on the flood risk listSE21 8LS: not on the flood risk listSE21 8LT: not on the flood risk listSE21 8LU: not on the flood risk listSE21 8LW: not on the flood risk listSE21 8LX: not on the flood risk listSE21 8LY: not on the flood risk listSE21 8LZ: not on the flood risk listSE21 8NA: not on the flood risk listSE21 8NB: not on the flood risk listSE21 8NF: not on the flood risk listSE21 8NG: not on the flood risk listSE21 8NH: not on the flood risk listSE21 8NJ: not on the flood risk listSE21 8NL: not on the flood risk listSE21 8NN: not on the flood risk listSE21 8NP: not on the flood risk listSE21 8NQ: not on the flood risk listSE21 8NR: not on the flood risk listSE21 8NS: not on the flood risk listSE21 8NT: not on the flood risk listSE21 8NU: not on the flood risk listSE21 8NW: not on the flood risk listSE21 8NX: not on the flood risk listSE21 8NY: not on the flood risk listSE21 8NZ: not on the flood risk listSE21 8PA: not on the flood risk listSE21 8PB: not on the flood risk listSE21 8PD: not on the flood risk listSE21 8PE: not on the flood risk listSE21 8PF: not on the flood risk listSE21 8PG: not on the flood risk listSE21 8PH: not on the flood risk listSE21 8PJ: not on the flood risk listSE21 8PL: not on the flood risk listSE21 8PN: not on the flood risk listSE21 8PQ: not on the flood risk listSE21 8PU: not on the flood risk listSE21 8PX: not on the flood risk listSE21 8PY: not on the flood risk listSE21 8PZ: not on the flood risk listSE21 8QA: not on the flood risk listSE21 8QB: not on the flood risk listSE21 8QD: not on the flood risk listSE21 8QE: not on the flood risk listSE21 8QF: not on the flood risk listSE21 8QG: not on the flood risk listSE21 8QJ: not on the flood risk listSE21 8QL: not on the flood risk listSE21 8QN: not on the flood risk listSE21 8QP: not on the flood risk listSE21 8QQ: not on the flood risk listSE21 8QR: not on the flood risk listSE21 8QS: not on the flood risk listSE21 8QW: not on the flood risk listSE21 8RA: not on the flood risk listSE21 8RB: not on the flood risk listSE21 8RD: not on the flood risk listSE21 8RE: not on the flood risk listSE21 8RF: not on the flood risk listSE21 8RG: not on the flood risk listSE21 8RH: not on the flood risk listSE21 8RJ: not on the flood risk listSE21 8RL: not on the flood risk listSE21 8RN: not on the flood risk listSE21 8RP: not on the flood risk listSE21 8RQ: not on the flood risk listSE21 8RR: not on the flood risk listSE21 8RS: not on the flood risk listSE21 8RW: not on the flood risk listSE21 8SB: not on the flood risk listSE21 8SD: not on the flood risk listSE21 8SE: not on the flood risk listSE21 8SF: not on the flood risk listSE21 8SG: not on the flood risk listSE21 8SL: not on the flood risk listSE21 8SN: not on the flood risk listSE21 8SQ: not on the flood risk listSE21 8SR: not on the flood risk listSE21 8SS: not on the flood risk listSE21 8SW: not on the flood risk listSE21 8SX: not on the flood risk listSE21 8SY: not on the flood risk listSE21 8SZ: not on the flood risk list West DulwichDulwich Wood Map of every postcode in the SE21 8 sector, by flood risk Of the 191 postcodes in the SE21 8 sector that ONS places, 191 are not on the Environment Agency's at-risk list. Places named: West Dulwich, Dulwich Wood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. West DulwichDulwich Wood
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 191

Of the 191 postcodes in the SE21 8 sector that ONS places, 191 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Environment Agency flood risk, published 6 July 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

What do homes sell for in SE21 8?

Homes in SE21 8 sold for a typical £616,000 in the 12 months to August 2026, across 106 sales, HM Land Registry's figures show. The 12 months before gave £618,180 from 133 sales: not a change larger than chance would explain, given which homes happened to sell.

£616,000 typical price, the 12 months to August 2026
£618,180 12 months to August 2025
  • Semi-detached £1,340,000 21 sales
  • Terraced £884,975 30 sales
  • Flat or maisonette £395,000 55 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 SE21 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.

Postcodes in SE21 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.

SE21 8AASE21 8ABSE21 8ADSE21 8AESE21 8AFSE21 8AGSE21 8AHSE21 8ALSE21 8AQSE21 8ARSE21 8ASSE21 8ATSE21 8AUSE21 8AXSE21 8AYSE21 8AZSE21 8BASE21 8BBSE21 8BDSE21 8BESE21 8BGSE21 8BJSE21 8BNSE21 8BPSE21 8BSSE21 8BTSE21 8BUSE21 8BWSE21 8BXSE21 8BYSE21 8BZSE21 8DASE21 8DBSE21 8DDSE21 8DESE21 8DFSE21 8DGSE21 8DJSE21 8DPSE21 8DRSE21 8DSSE21 8DTSE21 8DUSE21 8DWSE21 8DXSE21 8DYSE21 8DZSE21 8EASE21 8EBSE21 8EDSE21 8EESE21 8EGSE21 8EHSE21 8ENSE21 8EQSE21 8ERSE21 8ESSE21 8EUSE21 8EXSE21 8EZSE21 8FQSE21 8GASE21 8HASE21 8HBSE21 8HDSE21 8HESE21 8HGSE21 8HJSE21 8HNSE21 8HPSE21 8HSSE21 8HTSE21 8HUSE21 8HWSE21 8HXSE21 8HYSE21 8HZSE21 8JASE21 8JBSE21 8JDSE21 8JFSE21 8JHSE21 8JJSE21 8JLSE21 8JNSE21 8JPSE21 8JRSE21 8JSSE21 8JUSE21 8JWSE21 8JXSE21 8JYSE21 8JZSE21 8LASE21 8LBSE21 8LDSE21 8LESE21 8LFSE21 8LGSE21 8LHSE21 8LJSE21 8LLSE21 8LNSE21 8LPSE21 8LQSE21 8LRSE21 8LSSE21 8LTSE21 8LUSE21 8LWSE21 8LXSE21 8LYSE21 8LZSE21 8NASE21 8NBSE21 8NFSE21 8NGSE21 8NHSE21 8NJSE21 8NLSE21 8NNSE21 8NPSE21 8NQSE21 8NRSE21 8NSSE21 8NTSE21 8NUSE21 8NWSE21 8NXSE21 8NYSE21 8NZSE21 8PASE21 8PBSE21 8PDSE21 8PESE21 8PFSE21 8PGSE21 8PHSE21 8PJSE21 8PLSE21 8PNSE21 8PQSE21 8PUSE21 8PXSE21 8PYSE21 8PZSE21 8QASE21 8QBSE21 8QDSE21 8QESE21 8QFSE21 8QGSE21 8QHSE21 8QJSE21 8QLSE21 8QNSE21 8QPSE21 8QQSE21 8QRSE21 8QSSE21 8QWSE21 8RASE21 8RBSE21 8RDSE21 8RESE21 8RFSE21 8RGSE21 8RHSE21 8RJSE21 8RLSE21 8RNSE21 8RPSE21 8RQSE21 8RRSE21 8RSSE21 8RWSE21 8SBSE21 8SDSE21 8SESE21 8SFSE21 8SGSE21 8SLSE21 8SNSE21 8SQSE21 8SRSE21 8SSSE21 8SWSE21 8SXSE21 8SYSE21 8SZSE21 8ZJ

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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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Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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