SE17 3 postcode sector in the SE17 district

SE17 3 is a sector of the SE17 district: every postcode that starts SE17 3. It has 207 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 SE17 3 sector, by flood risk

Map of every postcode in the SE17 3 sector, by flood risk Of the 207 postcodes in the SE17 3 sector that ONS places, 126 are at very low risk only and 81 are not on the Environment Agency's at-risk list. Places named: Newington, North Walworth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A215A3A3204 SE17 3AY: not on the flood risk listSE17 3BE: not on the flood risk listSE17 3BQ: not on the flood risk listSE17 3BY: not on the flood risk listSE17 3DA: not on the flood risk listSE17 3DB: not on the flood risk listSE17 3DD: not on the flood risk listSE17 3DG: not on the flood risk listSE17 3DN: not on the flood risk listSE17 3DY: not on the flood risk listSE17 3DZ: not on the flood risk listSE17 3EA: not on the flood risk listSE17 3EB: not on the flood risk listSE17 3EE: not on the flood risk listSE17 3EF: not on the flood risk listSE17 3EJ: not on the flood risk listSE17 3EL: not on the flood risk listSE17 3FA: not on the flood risk listSE17 3FD: not on the flood risk listSE17 3FE: not on the flood risk listSE17 3FF: not on the flood risk listSE17 3FG: not on the flood risk listSE17 3FH: not on the flood risk listSE17 3FJ: not on the flood risk listSE17 3FL: not on the flood risk listSE17 3FN: not on the flood risk listSE17 3FP: not on the flood risk listSE17 3FQ: not on the flood risk listSE17 3FR: not on the flood risk listSE17 3FT: not on the flood risk listSE17 3FX: not on the flood risk listSE17 3HA: not on the flood risk listSE17 3HB: not on the flood risk listSE17 3HE: not on the flood risk listSE17 3HH: not on the flood risk listSE17 3HJ: not on the flood risk listSE17 3HP: not on the flood risk listSE17 3HQ: not on the flood risk listSE17 3HR: not on the flood risk listSE17 3HS: not on the flood risk listSE17 3HU: not on the flood risk listSE17 3HW: not on the flood risk listSE17 3HX: not on the flood risk listSE17 3HY: not on the flood risk listSE17 3JJ: not on the flood risk listSE17 3NA: not on the flood risk listSE17 3ND: not on the flood risk listSE17 3NE: not on the flood risk listSE17 3NR: not on the flood risk listSE17 3NS: not on the flood risk listSE17 3NU: not on the flood risk listSE17 3QB: not on the flood risk listSE17 3QD: not on the flood risk listSE17 3QS: not on the flood risk listSE17 3RF: not on the flood risk listSE17 3SG: not on the flood risk listSE17 3SZ: not on the flood risk listSE17 3TA: not on the flood risk listSE17 3TB: not on the flood risk listSE17 3TD: not on the flood risk listSE17 3TE: not on the flood risk listSE17 3TF: not on the flood risk listSE17 3TG: not on the flood risk listSE17 3TH: not on the flood risk listSE17 3TJ: not on the flood risk listSE17 3TN: not on the flood risk listSE17 3TP: not on the flood risk listSE17 3TR: not on the flood risk listSE17 3TS: not on the flood risk listSE17 3TT: not on the flood risk listSE17 3UE: not on the flood risk listSE17 3UL: not on the flood risk listSE17 3UT: not on the flood risk listSE17 3UU: not on the flood risk listSE17 3UW: not on the flood risk listSE17 3UX: not on the flood risk listSE17 3AA: very low flood risk onlySE17 3AD: very low flood risk onlySE17 3AE: very low flood risk onlySE17 3AF: very low flood risk onlySE17 3AG: very low flood risk onlySE17 3AH: very low flood risk onlySE17 3AJ: very low flood risk onlySE17 3AL: very low flood risk onlySE17 3AN: very low flood risk onlySE17 3AP: very low flood risk onlySE17 3AQ: very low flood risk onlySE17 3AR: very low flood risk onlySE17 3AS: very low flood risk onlySE17 3AU: very low flood risk onlySE17 3AW: very low flood risk onlySE17 3AX: very low flood risk onlySE17 3AZ: very low flood risk onlySE17 3BA: very low flood risk onlySE17 3BB: very low flood risk onlySE17 3BD: very low flood risk onlySE17 3BF: very low flood risk onlySE17 3BG: very low flood risk onlySE17 3BH: very low flood risk onlySE17 3BL: very low flood risk onlySE17 3BN: very low flood risk onlySE17 3BP: very low flood risk onlySE17 3BS: very low flood risk onlySE17 3BW: very low flood risk onlySE17 3DH: very low flood risk onlySE17 3DJ: very low flood risk onlySE17 3DQ: very low flood risk onlySE17 3DT: very low flood risk onlySE17 3DU: very low flood risk onlySE17 3DW: very low flood risk onlySE17 3DX: very low flood risk onlySE17 3ED: very low flood risk onlySE17 3EG: very low flood risk onlySE17 3EN: very low flood risk onlySE17 3EP: very low flood risk onlySE17 3EQ: very low flood risk onlySE17 3ES: very low flood risk onlySE17 3ET: very low flood risk onlySE17 3EZ: very low flood risk onlySE17 3FS: very low flood risk onlySE17 3FU: very low flood risk onlySE17 3HD: very low flood risk onlySE17 3HN: very low flood risk onlySE17 3HT: very low flood risk onlySE17 3JB: very low flood risk onlySE17 3JD: very low flood risk onlySE17 3JE: very low flood risk onlySE17 3JF: very low flood risk onlySE17 3JG: very low flood risk onlySE17 3JH: very low flood risk onlySE17 3JN: very low flood risk onlySE17 3JP: very low flood risk onlySE17 3JQ: very low flood risk onlySE17 3JR: very low flood risk onlySE17 3JS: very low flood risk onlySE17 3JT: very low flood risk onlySE17 3JW: very low flood risk onlySE17 3JX: very low flood risk onlySE17 3JY: very low flood risk onlySE17 3JZ: very low flood risk onlySE17 3LE: very low flood risk onlySE17 3LF: very low flood risk onlySE17 3LH: very low flood risk onlySE17 3LJ: very low flood risk onlySE17 3LL: very low flood risk onlySE17 3LU: very low flood risk onlySE17 3LX: very low flood risk onlySE17 3LY: very low flood risk onlySE17 3LZ: very low flood risk onlySE17 3NF: very low flood risk onlySE17 3NG: very low flood risk onlySE17 3NH: very low flood risk onlySE17 3NN: very low flood risk onlySE17 3NP: very low flood risk onlySE17 3NQ: very low flood risk onlySE17 3NW: very low flood risk onlySE17 3PE: very low flood risk onlySE17 3PF: very low flood risk onlySE17 3PG: very low flood risk onlySE17 3PH: very low flood risk onlySE17 3PJ: very low flood risk onlySE17 3PQ: very low flood risk onlySE17 3PY: very low flood risk onlySE17 3PZ: very low flood risk onlySE17 3QA: very low flood risk onlySE17 3QE: very low flood risk onlySE17 3QF: very low flood risk onlySE17 3QG: very low flood risk onlySE17 3QH: very low flood risk onlySE17 3QJ: very low flood risk onlySE17 3QQ: very low flood risk onlySE17 3QR: very low flood risk onlySE17 3QT: very low flood risk onlySE17 3QU: very low flood risk onlySE17 3QY: very low flood risk onlySE17 3RD: very low flood risk onlySE17 3RJ: very low flood risk onlySE17 3RT: very low flood risk onlySE17 3RU: very low flood risk onlySE17 3RX: very low flood risk onlySE17 3RY: very low flood risk onlySE17 3RZ: very low flood risk onlySE17 3SA: very low flood risk onlySE17 3SB: very low flood risk onlySE17 3SD: very low flood risk onlySE17 3SE: very low flood risk onlySE17 3SF: very low flood risk onlySE17 3SH: very low flood risk onlySE17 3SJ: very low flood risk onlySE17 3SU: very low flood risk onlySE17 3SX: very low flood risk onlySE17 3SY: very low flood risk onlySE17 3UB: very low flood risk onlySE17 3UD: very low flood risk onlySE17 3UF: very low flood risk onlySE17 3UG: very low flood risk onlySE17 3UJ: very low flood risk onlySE17 3UQ: very low flood risk onlySE17 3UR: very low flood risk only NewingtonNorth Walworth Map of every postcode in the SE17 3 sector, by flood risk Of the 207 postcodes in the SE17 3 sector that ONS places, 126 are at very low risk only and 81 are not on the Environment Agency's at-risk list. Places named: Newington, North Walworth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A215 NewingtonNorth Walworth
  • 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: 126
  • Not on the at-risk list: 81

Of the 207 postcodes in the SE17 3 sector that ONS places, 126 are at very low risk only and 81 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

What do homes sell for in SE17 3?

Homes in SE17 3 sold for a typical £450,000 in the 12 months to August 2026, across 73 sales, down 3.2% on the 12 months before, HM Land Registry's figures show.

£450,000 typical price, the 12 months to August 2026
£465,000 12 months to August 2025
▼ down 3.2% on the 12 months before
  • Semi-detached 1 sale, too few to price
  • Terraced £780,000 17 sales
  • Flat or maisonette £425,000 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 SE17 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 SE17 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.

SE17 3AASE17 3ADSE17 3AESE17 3AFSE17 3AGSE17 3AHSE17 3AJSE17 3ALSE17 3ANSE17 3APSE17 3AQSE17 3ARSE17 3ASSE17 3AUSE17 3AWSE17 3AXSE17 3AYSE17 3AZSE17 3BASE17 3BBSE17 3BDSE17 3BESE17 3BFSE17 3BGSE17 3BHSE17 3BLSE17 3BNSE17 3BPSE17 3BQSE17 3BSSE17 3BTSE17 3BUSE17 3BWSE17 3BYSE17 3BZSE17 3DASE17 3DBSE17 3DDSE17 3DGSE17 3DHSE17 3DJSE17 3DNSE17 3DQSE17 3DTSE17 3DUSE17 3DWSE17 3DXSE17 3DYSE17 3DZSE17 3EASE17 3EBSE17 3EDSE17 3EESE17 3EFSE17 3EGSE17 3EJSE17 3ELSE17 3ENSE17 3EPSE17 3EQSE17 3ESSE17 3ETSE17 3EWSE17 3EZSE17 3FASE17 3FDSE17 3FESE17 3FFSE17 3FGSE17 3FHSE17 3FJSE17 3FLSE17 3FNSE17 3FPSE17 3FQSE17 3FRSE17 3FSSE17 3FTSE17 3FUSE17 3FWSE17 3FXSE17 3HASE17 3HBSE17 3HDSE17 3HESE17 3HHSE17 3HJSE17 3HNSE17 3HPSE17 3HQSE17 3HRSE17 3HSSE17 3HTSE17 3HUSE17 3HWSE17 3HXSE17 3HYSE17 3JBSE17 3JDSE17 3JESE17 3JFSE17 3JGSE17 3JHSE17 3JJSE17 3JLSE17 3JNSE17 3JPSE17 3JQSE17 3JRSE17 3JSSE17 3JTSE17 3JWSE17 3JXSE17 3JYSE17 3JZSE17 3LESE17 3LFSE17 3LHSE17 3LJSE17 3LLSE17 3LUSE17 3LXSE17 3LYSE17 3LZSE17 3NASE17 3NDSE17 3NESE17 3NFSE17 3NGSE17 3NHSE17 3NNSE17 3NPSE17 3NQSE17 3NRSE17 3NSSE17 3NUSE17 3NWSE17 3NXSE17 3PESE17 3PFSE17 3PGSE17 3PHSE17 3PJSE17 3PQSE17 3PYSE17 3PZSE17 3QASE17 3QBSE17 3QDSE17 3QESE17 3QFSE17 3QGSE17 3QHSE17 3QJSE17 3QQSE17 3QRSE17 3QSSE17 3QTSE17 3QUSE17 3QYSE17 3RDSE17 3RFSE17 3RJSE17 3RTSE17 3RUSE17 3RXSE17 3RYSE17 3RZSE17 3SASE17 3SBSE17 3SDSE17 3SESE17 3SFSE17 3SGSE17 3SHSE17 3SJSE17 3SUSE17 3SXSE17 3SYSE17 3SZSE17 3TASE17 3TBSE17 3TDSE17 3TESE17 3TFSE17 3TGSE17 3THSE17 3TJSE17 3TNSE17 3TPSE17 3TRSE17 3TSSE17 3TTSE17 3UBSE17 3UDSE17 3UESE17 3UFSE17 3UGSE17 3UJSE17 3ULSE17 3UQSE17 3URSE17 3UTSE17 3UUSE17 3UWSE17 3UXSE17 3XP

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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