SL4 6 postcode sector in the SL4 district

SL4 6 is a sector of the SL4 district: every postcode that starts SL4 6. It has 177 postcodes in use, 2 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 SL4 6 sector, and which are new since 2020

Map of every postcode in the SL4 6 sector, by new since 2020 Of the 177 postcodes in the SL4 6 sector that ONS places, 1 are new since 2020 and 176 were in use before 2020. Places named: Eton, Eton Wick. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A332M4 SL4 6AA: before 2020SL4 6AB: before 2020SL4 6AE: before 2020SL4 6AF: before 2020SL4 6AG: before 2020SL4 6AH: before 2020SL4 6AJ: before 2020SL4 6AL: before 2020SL4 6AN: before 2020SL4 6AP: before 2020SL4 6AQ: before 2020SL4 6AR: before 2020SL4 6AS: before 2020SL4 6AX: before 2020SL4 6AZ: before 2020SL4 6BA: before 2020SL4 6BB: before 2020SL4 6BD: before 2020SL4 6BG: before 2020SL4 6BJ: before 2020SL4 6BL: before 2020SL4 6BN: before 2020SL4 6BP: before 2020SL4 6BQ: before 2020SL4 6BS: before 2020SL4 6BT: before 2020SL4 6BU: before 2020SL4 6BW: before 2020SL4 6BY: before 2020SL4 6DB: before 2020SL4 6DD: before 2020SL4 6DE: before 2020SL4 6DG: before 2020SL4 6DJ: before 2020SL4 6DL: before 2020SL4 6DN: before 2020SL4 6DP: before 2020SL4 6DQ: before 2020SL4 6DS: before 2020SL4 6DT: before 2020SL4 6DU: before 2020SL4 6DX: before 2020SL4 6DY: before 2020SL4 6DZ: before 2020SL4 6EA: before 2020SL4 6EB: before 2020SL4 6ED: before 2020SL4 6EE: before 2020SL4 6EF: before 2020SL4 6EG: before 2020SL4 6EH: before 2020SL4 6EJ: before 2020SL4 6EN: before 2020SL4 6EP: before 2020SL4 6EQ: before 2020SL4 6ER: before 2020SL4 6ES: before 2020SL4 6ET: before 2020SL4 6EU: before 2020SL4 6EW: before 2020SL4 6EX: before 2020SL4 6EY: before 2020SL4 6EZ: before 2020SL4 6FB: before 2020SL4 6FD: before 2020SL4 6FE: before 2020SL4 6FG: before 2020SL4 6HA: before 2020SL4 6HB: before 2020SL4 6HD: before 2020SL4 6HF: before 2020SL4 6HL: before 2020SL4 6HN: before 2020SL4 6HP: before 2020SL4 6HR: before 2020SL4 6HU: before 2020SL4 6HW: before 2020SL4 6HX: before 2020SL4 6JA: before 2020SL4 6JB: before 2020SL4 6JE: before 2020SL4 6JF: before 2020SL4 6JG: before 2020SL4 6JH: before 2020SL4 6JJ: before 2020SL4 6JL: before 2020SL4 6JN: before 2020SL4 6JP: before 2020SL4 6JR: before 2020SL4 6JS: before 2020SL4 6JT: before 2020SL4 6JU: before 2020SL4 6JW: before 2020SL4 6JX: before 2020SL4 6JY: before 2020SL4 6JZ: before 2020SL4 6LA: before 2020SL4 6LB: before 2020SL4 6LD: before 2020SL4 6LE: before 2020SL4 6LF: before 2020SL4 6LH: before 2020SL4 6LJ: before 2020SL4 6LL: before 2020SL4 6LN: before 2020SL4 6LP: before 2020SL4 6LQ: before 2020SL4 6LT: before 2020SL4 6LU: before 2020SL4 6LX: before 2020SL4 6LY: before 2020SL4 6LZ: before 2020SL4 6NA: before 2020SL4 6NB: before 2020SL4 6ND: before 2020SL4 6NE: before 2020SL4 6NF: before 2020SL4 6NG: before 2020SL4 6NH: before 2020SL4 6NJ: before 2020SL4 6NL: before 2020SL4 6NN: before 2020SL4 6NP: before 2020SL4 6NQ: before 2020SL4 6NW: before 2020SL4 6PA: before 2020SL4 6PB: before 2020SL4 6PD: before 2020SL4 6PE: before 2020SL4 6PF: before 2020SL4 6PG: before 2020SL4 6PL: before 2020SL4 6PQ: before 2020SL4 6PR: before 2020SL4 6PS: before 2020SL4 6PX: before 2020SL4 6PY: before 2020SL4 6QB: before 2020SL4 6QD: before 2020SL4 6QE: before 2020SL4 6QF: before 2020SL4 6QG: before 2020SL4 6QH: before 2020SL4 6QJ: before 2020SL4 6QL: before 2020SL4 6QN: before 2020SL4 6QP: before 2020SL4 6QQ: before 2020SL4 6QR: before 2020SL4 6QS: before 2020SL4 6QT: before 2020SL4 6QU: before 2020SL4 6QW: before 2020SL4 6QX: before 2020SL4 6QY: before 2020SL4 6QZ: before 2020SL4 6RF: before 2020SL4 6RH: before 2020SL4 6SA: before 2020SL4 6SS: before 2020SL4 6HE: before 2020SL4 6DH: before 2020SL4 6PZ: before 2020SL4 6FJ: new since 2020 EtonEton Wick Map of every postcode in the SL4 6 sector, by new since 2020 Of the 177 postcodes in the SL4 6 sector that ONS places, 1 are new since 2020 and 176 were in use before 2020. Places named: Eton, Eton Wick. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A308A4 EtonEton Wick
  • New since 2020: 1
  • In use before 2020: 176

Of the 177 postcodes in the SL4 6 sector that ONS places, 1 are new since 2020 and 176 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; 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 newest postcode

SL4 6FJJanuary 2020

What do homes sell for in SL4 6?

Homes in SL4 6 sold for a typical £481,000 in the 12 months to August 2026, across 40 sales, down 2.2% on the 12 months before, HM Land Registry's figures show.

£481,000 typical price, the 12 months to August 2026
£491,750 12 months to August 2025
▼ down 2.2% on the 12 months before
  • Detached £521,500 10 sales
  • Semi-detached £507,500 14 sales
  • Terraced £427,000 11 sales
  • Flat or maisonette £325,000 5 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 SL4 6. 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 SL4 6

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.

SL4 6AASL4 6ABSL4 6AESL4 6AFSL4 6AGSL4 6AHSL4 6AJSL4 6ALSL4 6ANSL4 6APSL4 6AQSL4 6ARSL4 6ASSL4 6AWSL4 6AXSL4 6AZSL4 6BASL4 6BBSL4 6BDSL4 6BGSL4 6BHSL4 6BJSL4 6BLSL4 6BNSL4 6BPSL4 6BQSL4 6BSSL4 6BTSL4 6BUSL4 6BWSL4 6BYSL4 6DBSL4 6DDSL4 6DESL4 6DGSL4 6DHSL4 6DJSL4 6DLSL4 6DNSL4 6DPSL4 6DQSL4 6DRSL4 6DSSL4 6DTSL4 6DUSL4 6DWSL4 6DXSL4 6DYSL4 6DZSL4 6EASL4 6EBSL4 6EDSL4 6EESL4 6EFSL4 6EGSL4 6EHSL4 6EJSL4 6ELSL4 6ENSL4 6EPSL4 6EQSL4 6ERSL4 6ESSL4 6ETSL4 6EUSL4 6EWSL4 6EXSL4 6EYSL4 6EZSL4 6FBSL4 6FDSL4 6FESL4 6FFSL4 6FGSL4 6FHSL4 6FJSL4 6HASL4 6HBSL4 6HDSL4 6HESL4 6HFSL4 6HHSL4 6HJSL4 6HLSL4 6HNSL4 6HPSL4 6HRSL4 6HUSL4 6HWSL4 6HXSL4 6JASL4 6JBSL4 6JESL4 6JFSL4 6JGSL4 6JHSL4 6JJSL4 6JLSL4 6JNSL4 6JPSL4 6JRSL4 6JSSL4 6JTSL4 6JUSL4 6JWSL4 6JXSL4 6JYSL4 6JZSL4 6LASL4 6LBSL4 6LDSL4 6LESL4 6LFSL4 6LGSL4 6LHSL4 6LJSL4 6LLSL4 6LNSL4 6LPSL4 6LQSL4 6LTSL4 6LUSL4 6LXSL4 6LYSL4 6LZSL4 6NASL4 6NBSL4 6NDSL4 6NESL4 6NFSL4 6NGSL4 6NHSL4 6NJSL4 6NLSL4 6NNSL4 6NPSL4 6NQSL4 6NWSL4 6PASL4 6PBSL4 6PDSL4 6PESL4 6PFSL4 6PGSL4 6PLSL4 6PPSL4 6PQSL4 6PRSL4 6PSSL4 6PXSL4 6PYSL4 6PZSL4 6QASL4 6QBSL4 6QDSL4 6QESL4 6QFSL4 6QGSL4 6QHSL4 6QJSL4 6QLSL4 6QNSL4 6QPSL4 6QQSL4 6QRSL4 6QSSL4 6QTSL4 6QUSL4 6QWSL4 6QXSL4 6QYSL4 6QZSL4 6RASL4 6RFSL4 6RHSL4 6SASL4 6SS

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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