SL3 6 postcode sector in the SL3 district

SL3 6 is a sector of the SL3 district: every postcode that starts SL3 6. It has 141 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 SL3 6 sector, and which are new since 2020

Map of every postcode in the SL3 6 sector, by new since 2020 Of the 141 postcodes in the SL3 6 sector that ONS places, 2 are new since 2020 and 139 were in use before 2020. Places named: Iver Heath, Stoke Poges. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M40 SL3 6AA: before 2020SL3 6AB: before 2020SL3 6AD: before 2020SL3 6AE: before 2020SL3 6AG: before 2020SL3 6AN: before 2020SL3 6AP: before 2020SL3 6AR: before 2020SL3 6AS: before 2020SL3 6AT: before 2020SL3 6AU: before 2020SL3 6AW: before 2020SL3 6AX: before 2020SL3 6BD: before 2020SL3 6BE: before 2020SL3 6BG: before 2020SL3 6BH: before 2020SL3 6BJ: before 2020SL3 6BL: before 2020SL3 6BN: before 2020SL3 6BQ: before 2020SL3 6BS: before 2020SL3 6BU: before 2020SL3 6BY: before 2020SL3 6BZ: before 2020SL3 6DA: before 2020SL3 6DB: before 2020SL3 6DD: before 2020SL3 6DE: before 2020SL3 6DG: before 2020SL3 6DH: before 2020SL3 6DL: before 2020SL3 6DN: before 2020SL3 6DR: before 2020SL3 6DS: before 2020SL3 6DT: before 2020SL3 6DU: before 2020SL3 6DW: before 2020SL3 6ED: before 2020SL3 6EG: before 2020SL3 6EP: before 2020SL3 6EY: before 2020SL3 6EZ: before 2020SL3 6HA: before 2020SL3 6HB: before 2020SL3 6HD: before 2020SL3 6HF: before 2020SL3 6HG: before 2020SL3 6HJ: before 2020SL3 6HL: before 2020SL3 6HN: before 2020SL3 6HP: before 2020SL3 6HR: before 2020SL3 6HT: before 2020SL3 6HU: before 2020SL3 6HW: before 2020SL3 6HX: before 2020SL3 6JA: before 2020SL3 6JB: before 2020SL3 6JD: before 2020SL3 6JE: before 2020SL3 6JF: before 2020SL3 6JG: before 2020SL3 6JH: before 2020SL3 6JJ: before 2020SL3 6JL: before 2020SL3 6JN: before 2020SL3 6JQ: before 2020SL3 6LA: before 2020SL3 6LB: before 2020SL3 6LE: before 2020SL3 6LF: before 2020SL3 6LG: before 2020SL3 6LH: before 2020SL3 6LJ: before 2020SL3 6LL: before 2020SL3 6LN: before 2020SL3 6LP: before 2020SL3 6LQ: before 2020SL3 6LS: before 2020SL3 6LT: before 2020SL3 6LU: before 2020SL3 6LW: before 2020SL3 6LX: before 2020SL3 6LY: before 2020SL3 6LZ: before 2020SL3 6NA: before 2020SL3 6NB: before 2020SL3 6ND: before 2020SL3 6NG: before 2020SL3 6NH: before 2020SL3 6NJ: before 2020SL3 6NL: before 2020SL3 6NP: before 2020SL3 6NQ: before 2020SL3 6NR: before 2020SL3 6NS: before 2020SL3 6NT: before 2020SL3 6NW: before 2020SL3 6NX: before 2020SL3 6NY: before 2020SL3 6NZ: before 2020SL3 6PA: before 2020SL3 6PB: before 2020SL3 6PD: before 2020SL3 6PG: before 2020SL3 6PJ: before 2020SL3 6QA: before 2020SL3 6QB: before 2020SL3 6QD: before 2020SL3 6QE: before 2020SL3 6QF: before 2020SL3 6QH: before 2020SL3 6QJ: before 2020SL3 6QQ: before 2020SL3 6RA: before 2020SL3 6RD: before 2020SL3 6RE: before 2020SL3 6RF: before 2020SL3 6RG: before 2020SL3 6RH: before 2020SL3 6RL: before 2020SL3 6RP: before 2020SL3 6RQ: before 2020SL3 6RW: before 2020SL3 6SA: before 2020SL3 6SB: before 2020SL3 6AJ: new since 2020SL3 6RR: new since 2020 Iver HeathStoke Poges Map of every postcode in the SL3 6 sector, by new since 2020 Of the 141 postcodes in the SL3 6 sector that ONS places, 2 are new since 2020 and 139 were in use before 2020. Places named: Stoke Poges. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M25 Stoke Poges
  • New since 2020: 2
  • In use before 2020: 139

Of the 141 postcodes in the SL3 6 sector that ONS places, 2 are new since 2020 and 139 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 2 newest postcodes

SL3 6AJJuly 2026SL3 6RRFebruary 2023

What do homes sell for in SL3 6?

Homes in SL3 6 sold for a typical £610,000 in the 12 months to August 2026, across 26 sales, up 21.4% on the 12 months before, HM Land Registry's figures show.

£610,000 typical price, the 12 months to August 2026
£502,500 12 months to August 2025
▲ up 21.4% on the 12 months before
  • Detached £808,000 10 sales
  • Semi-detached 4 sales, too few to price
  • Terraced £485,000 8 sales
  • Flat or maisonette 4 sales, too few to price

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 SL3 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 SL3 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.

SL3 6AASL3 6ABSL3 6ADSL3 6AESL3 6AGSL3 6AJSL3 6ANSL3 6APSL3 6ARSL3 6ASSL3 6ATSL3 6AUSL3 6AWSL3 6AXSL3 6AYSL3 6BBSL3 6BDSL3 6BESL3 6BGSL3 6BHSL3 6BJSL3 6BLSL3 6BNSL3 6BPSL3 6BQSL3 6BSSL3 6BUSL3 6BYSL3 6BZSL3 6DASL3 6DBSL3 6DDSL3 6DESL3 6DGSL3 6DHSL3 6DLSL3 6DNSL3 6DQSL3 6DRSL3 6DSSL3 6DTSL3 6DUSL3 6DWSL3 6EASL3 6EDSL3 6EGSL3 6EPSL3 6EYSL3 6EZSL3 6HASL3 6HBSL3 6HDSL3 6HFSL3 6HGSL3 6HJSL3 6HLSL3 6HNSL3 6HPSL3 6HRSL3 6HSSL3 6HTSL3 6HUSL3 6HWSL3 6HXSL3 6JASL3 6JBSL3 6JDSL3 6JESL3 6JFSL3 6JGSL3 6JHSL3 6JJSL3 6JLSL3 6JNSL3 6JQSL3 6JTSL3 6LASL3 6LBSL3 6LESL3 6LFSL3 6LGSL3 6LHSL3 6LJSL3 6LLSL3 6LNSL3 6LPSL3 6LQSL3 6LSSL3 6LTSL3 6LUSL3 6LWSL3 6LXSL3 6LYSL3 6LZSL3 6NASL3 6NBSL3 6NDSL3 6NGSL3 6NHSL3 6NJSL3 6NLSL3 6NNSL3 6NPSL3 6NQSL3 6NRSL3 6NSSL3 6NTSL3 6NUSL3 6NWSL3 6NXSL3 6NYSL3 6NZSL3 6PASL3 6PBSL3 6PDSL3 6PGSL3 6PJSL3 6QASL3 6QBSL3 6QDSL3 6QESL3 6QFSL3 6QGSL3 6QHSL3 6QJSL3 6QQSL3 6RASL3 6RDSL3 6RESL3 6RFSL3 6RGSL3 6RHSL3 6RLSL3 6RNSL3 6RPSL3 6RQSL3 6RRSL3 6RWSL3 6SASL3 6SBSL3 6YU

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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