SE23 3 postcode sector in the SE23 district

SE23 3 is a sector of the SE23 district: every postcode that starts SE23 3. It has 248 postcodes in use, 6 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 SE23 3 sector, by gigabit broadband

Map of every postcode in the SE23 3 sector, by gigabit broadband Of the 248 postcodes in the SE23 3 sector that ONS places, 24 have no home or business that can get gigabit, 57 have some that can, 159 can all get it and 8 have no Ofcom figure. Places named: Forest Hill. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. SE23 3FB: no Ofcom figureSE23 3FD: no Ofcom figureSE23 3GD: no Ofcom figureSE23 3UL: no Ofcom figureSE23 3AB: gigabit for allSE23 3AE: gigabit for allSE23 3AF: gigabit for allSE23 3AJ: gigabit for allSE23 3AL: gigabit for allSE23 3AN: gigabit for allSE23 3AP: gigabit for allSE23 3AQ: gigabit for allSE23 3AW: gigabit for allSE23 3AY: gigabit for allSE23 3BF: gigabit for allSE23 3BG: gigabit for allSE23 3BJ: gigabit for allSE23 3BL: gigabit for allSE23 3BN: gigabit for allSE23 3BP: gigabit for allSE23 3BQ: gigabit for allSE23 3BS: gigabit for allSE23 3BU: gigabit for allSE23 3BW: gigabit for allSE23 3BX: gigabit for allSE23 3BY: gigabit for allSE23 3DB: gigabit for allSE23 3DD: gigabit for allSE23 3DE: gigabit for allSE23 3DF: gigabit for allSE23 3DG: gigabit for allSE23 3DJ: gigabit for allSE23 3DN: gigabit for allSE23 3DP: gigabit for allSE23 3DQ: gigabit for allSE23 3DR: gigabit for allSE23 3DT: gigabit for allSE23 3DU: gigabit for allSE23 3DW: gigabit for allSE23 3DY: gigabit for allSE23 3EF: gigabit for allSE23 3EG: gigabit for allSE23 3EN: gigabit for allSE23 3EP: gigabit for allSE23 3ER: gigabit for allSE23 3ET: gigabit for allSE23 3EU: gigabit for allSE23 3EX: gigabit for allSE23 3EY: gigabit for allSE23 3HE: gigabit for allSE23 3HH: gigabit for allSE23 3HU: gigabit for allSE23 3HX: gigabit for allSE23 3HY: gigabit for allSE23 3JF: gigabit for allSE23 3JG: gigabit for allSE23 3JJ: gigabit for allSE23 3LB: gigabit for allSE23 3LF: gigabit for allSE23 3LH: gigabit for allSE23 3LU: gigabit for allSE23 3LZ: gigabit for allSE23 3NA: gigabit for allSE23 3NB: gigabit for allSE23 3ND: gigabit for allSE23 3NH: gigabit for allSE23 3NJ: gigabit for allSE23 3NN: gigabit for allSE23 3NS: gigabit for allSE23 3NT: gigabit for allSE23 3NW: gigabit for allSE23 3PA: gigabit for allSE23 3PG: gigabit for allSE23 3PJ: gigabit for allSE23 3PL: gigabit for allSE23 3PN: gigabit for allSE23 3PP: gigabit for allSE23 3PQ: gigabit for allSE23 3PS: gigabit for allSE23 3PW: gigabit for allSE23 3QA: gigabit for allSE23 3QB: gigabit for allSE23 3QD: gigabit for allSE23 3QE: gigabit for allSE23 3QF: gigabit for allSE23 3QG: gigabit for allSE23 3QH: gigabit for allSE23 3QL: gigabit for allSE23 3QP: gigabit for allSE23 3QQ: gigabit for allSE23 3QR: gigabit for allSE23 3QS: gigabit for allSE23 3QT: gigabit for allSE23 3QU: gigabit for allSE23 3RA: gigabit for allSE23 3RD: gigabit for allSE23 3RE: gigabit for allSE23 3RF: gigabit for allSE23 3RJ: gigabit for allSE23 3RL: gigabit for allSE23 3RP: gigabit for allSE23 3RR: gigabit for allSE23 3RU: gigabit for allSE23 3RW: gigabit for allSE23 3RX: gigabit for allSE23 3RY: gigabit for allSE23 3SA: gigabit for allSE23 3SB: gigabit for allSE23 3SF: gigabit for allSE23 3SG: gigabit for allSE23 3SJ: gigabit for allSE23 3SL: gigabit for allSE23 3SQ: gigabit for allSE23 3SW: gigabit for allSE23 3SX: gigabit for allSE23 3SZ: gigabit for allSE23 3TD: gigabit for allSE23 3TE: gigabit for allSE23 3TF: gigabit for allSE23 3TG: gigabit for allSE23 3TH: gigabit for allSE23 3TL: gigabit for allSE23 3TQ: gigabit for allSE23 3TU: gigabit for allSE23 3TX: gigabit for allSE23 3TZ: gigabit for allSE23 3UB: gigabit for allSE23 3UD: gigabit for allSE23 3UE: gigabit for allSE23 3UF: gigabit for allSE23 3UG: gigabit for allSE23 3UH: gigabit for allSE23 3UN: gigabit for allSE23 3UP: gigabit for allSE23 3UQ: gigabit for allSE23 3UR: gigabit for allSE23 3US: gigabit for allSE23 3UU: gigabit for allSE23 3UW: gigabit for allSE23 3XB: gigabit for allSE23 3XD: gigabit for allSE23 3XF: gigabit for allSE23 3XG: gigabit for allSE23 3XN: gigabit for allSE23 3XQ: gigabit for allSE23 3XR: gigabit for allSE23 3YA: gigabit for allSE23 3YD: gigabit for allSE23 3YE: gigabit for allSE23 3YF: gigabit for allSE23 3YG: gigabit for allSE23 3YH: gigabit for allSE23 3YJ: gigabit for allSE23 3YL: gigabit for allSE23 3YN: gigabit for allSE23 3YP: gigabit for allSE23 3YQ: gigabit for allSE23 3YR: gigabit for allSE23 3YW: gigabit for allSE23 3AA: some gigabitSE23 3AD: some gigabitSE23 3AG: some gigabitSE23 3AU: some gigabitSE23 3BA: some gigabitSE23 3BH: some gigabitSE23 3DH: some gigabitSE23 3DS: some gigabitSE23 3EB: some gigabitSE23 3ED: some gigabitSE23 3EE: some gigabitSE23 3EQ: some gigabitSE23 3HF: some gigabitSE23 3HG: some gigabitSE23 3HN: some gigabitSE23 3HQ: some gigabitSE23 3HS: some gigabitSE23 3HW: some gigabitSE23 3HZ: some gigabitSE23 3LD: some gigabitSE23 3LE: some gigabitSE23 3LW: some gigabitSE23 3LX: some gigabitSE23 3LY: some gigabitSE23 3NL: some gigabitSE23 3NP: some gigabitSE23 3NR: some gigabitSE23 3PE: some gigabitSE23 3PF: some gigabitSE23 3PH: some gigabitSE23 3PY: some gigabitSE23 3PZ: some gigabitSE23 3QY: some gigabitSE23 3RN: some gigabitSE23 3RZ: some gigabitSE23 3SD: some gigabitSE23 3SH: some gigabitSE23 3SR: some gigabitSE23 3SY: some gigabitSE23 3TA: some gigabitSE23 3TB: some gigabitSE23 3TS: some gigabitSE23 3TT: some gigabitSE23 3TW: some gigabitSE23 3TY: some gigabitSE23 3UX: some gigabitSE23 3UZ: some gigabitSE23 3XA: some gigabitSE23 3XE: some gigabitSE23 3XJ: some gigabitSE23 3XL: some gigabitSE23 3XP: some gigabitSE23 3XT: some gigabitSE23 3XU: some gigabitSE23 3XW: some gigabitSE23 3HT: some gigabitSE23 3TJ: some gigabitSE23 3AH: no gigabitSE23 3AT: no gigabitSE23 3BZ: no gigabitSE23 3DL: no gigabitSE23 3DZ: no gigabitSE23 3EA: no gigabitSE23 3EH: no gigabitSE23 3EL: no gigabitSE23 3ES: no gigabitSE23 3HB: no gigabitSE23 3HD: no gigabitSE23 3LR: no gigabitSE23 3PR: no gigabitSE23 3PU: no gigabitSE23 3QN: no gigabitSE23 3QX: no gigabitSE23 3QZ: no gigabitSE23 3RG: no gigabitSE23 3RS: no gigabitSE23 3RT: no gigabitSE23 3SE: no gigabitSE23 3SU: no gigabitSE23 3UT: no gigabitSE23 3XH: no gigabit Forest Hill Map of every postcode in the SE23 3 sector, by gigabit broadband Of the 248 postcodes in the SE23 3 sector that ONS places, 24 have no home or business that can get gigabit, 57 have some that can, 159 can all get it and 8 have no Ofcom figure. Places named: Forest Hill. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Forest Hill
  • No home or business can get gigabit: 24
  • Some can get gigabit: 57
  • Every home and business can get gigabit: 159
  • Ofcom gives no figure: 8

Of the 248 postcodes in the SE23 3 sector that ONS places, 24 have no home or business that can get gigabit, 57 have some that can, 159 can all get it and 8 have no Ofcom figure.

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; Ofcom Connected Nations, Connected Nations, Spring 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.

Postcodes without gigabit

24 postcodes here have no gigabit. These are the 12 first in postcode order.

SE23 3AHSE23 3ATSE23 3BZSE23 3DLSE23 3DZSE23 3EASE23 3EHSE23 3ELSE23 3ESSE23 3HBSE23 3HDSE23 3LR

What do homes sell for in SE23 3?

Homes in SE23 3 sold for a typical £460,000 in the 12 months to September 2026, across 132 sales, HM Land Registry's figures show. The 12 months before gave £472,500 from 183 sales: not a change larger than chance would explain, given which homes happened to sell.

£460,000 typical price, the 12 months to September 2026
£472,500 12 months to September 2025
  • Detached £975,000 6 sales
  • Semi-detached £1,044,250 18 sales
  • Terraced £745,000 22 sales
  • Flat or maisonette £400,000 86 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 SE23 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 October 2026.

Postcodes in SE23 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.

SE23 3AASE23 3ABSE23 3ADSE23 3AESE23 3AFSE23 3AGSE23 3AHSE23 3AJSE23 3ALSE23 3ANSE23 3APSE23 3AQSE23 3ASSE23 3ATSE23 3AUSE23 3AWSE23 3AYSE23 3BASE23 3BFSE23 3BGSE23 3BHSE23 3BJSE23 3BLSE23 3BNSE23 3BPSE23 3BQSE23 3BSSE23 3BUSE23 3BWSE23 3BXSE23 3BYSE23 3BZSE23 3DBSE23 3DDSE23 3DESE23 3DFSE23 3DGSE23 3DHSE23 3DJSE23 3DLSE23 3DNSE23 3DPSE23 3DQSE23 3DRSE23 3DSSE23 3DTSE23 3DUSE23 3DWSE23 3DXSE23 3DYSE23 3DZSE23 3EASE23 3EBSE23 3EDSE23 3EESE23 3EFSE23 3EGSE23 3EHSE23 3ELSE23 3ENSE23 3EPSE23 3EQSE23 3ERSE23 3ESSE23 3ETSE23 3EUSE23 3EXSE23 3EYSE23 3FBSE23 3FDSE23 3GDSE23 3HASE23 3HBSE23 3HDSE23 3HESE23 3HFSE23 3HGSE23 3HHSE23 3HJSE23 3HNSE23 3HQSE23 3HSSE23 3HTSE23 3HUSE23 3HWSE23 3HXSE23 3HYSE23 3HZSE23 3JFSE23 3JGSE23 3JJSE23 3JYSE23 3LBSE23 3LDSE23 3LESE23 3LFSE23 3LHSE23 3LRSE23 3LUSE23 3LWSE23 3LXSE23 3LYSE23 3LZSE23 3NASE23 3NBSE23 3NDSE23 3NHSE23 3NJSE23 3NLSE23 3NNSE23 3NPSE23 3NRSE23 3NSSE23 3NTSE23 3NWSE23 3PASE23 3PESE23 3PFSE23 3PGSE23 3PHSE23 3PJSE23 3PLSE23 3PNSE23 3PPSE23 3PQSE23 3PRSE23 3PSSE23 3PUSE23 3PWSE23 3PYSE23 3PZSE23 3QASE23 3QBSE23 3QDSE23 3QESE23 3QFSE23 3QGSE23 3QHSE23 3QLSE23 3QNSE23 3QPSE23 3QQSE23 3QRSE23 3QSSE23 3QTSE23 3QUSE23 3QXSE23 3QYSE23 3QZSE23 3RASE23 3RDSE23 3RESE23 3RFSE23 3RGSE23 3RJSE23 3RLSE23 3RNSE23 3RPSE23 3RRSE23 3RSSE23 3RTSE23 3RUSE23 3RWSE23 3RXSE23 3RYSE23 3RZSE23 3SASE23 3SBSE23 3SDSE23 3SESE23 3SFSE23 3SGSE23 3SHSE23 3SJSE23 3SLSE23 3SQSE23 3SRSE23 3SUSE23 3SWSE23 3SXSE23 3SYSE23 3SZSE23 3TASE23 3TBSE23 3TDSE23 3TESE23 3TFSE23 3TGSE23 3THSE23 3TJSE23 3TLSE23 3TQSE23 3TSSE23 3TTSE23 3TUSE23 3TWSE23 3TXSE23 3TYSE23 3TZSE23 3UBSE23 3UDSE23 3UESE23 3UFSE23 3UGSE23 3UHSE23 3UJSE23 3ULSE23 3UNSE23 3UPSE23 3UQSE23 3URSE23 3USSE23 3UTSE23 3UUSE23 3UWSE23 3UXSE23 3UZSE23 3WJSE23 3XASE23 3XBSE23 3XDSE23 3XESE23 3XFSE23 3XGSE23 3XHSE23 3XJSE23 3XLSE23 3XNSE23 3XPSE23 3XQSE23 3XRSE23 3XTSE23 3XUSE23 3XWSE23 3YASE23 3YDSE23 3YESE23 3YFSE23 3YGSE23 3YHSE23 3YJSE23 3YLSE23 3YNSE23 3YPSE23 3YQSE23 3YRSE23 3YWSE23 3ZH

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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