SL9 8 postcode sector in the SL9 district

SL9 8 is a sector of the SL9 district: every postcode that starts SL9 8. It has 235 postcodes in use, 16 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 SL9 8 sector, and which are new since 2020

Map of every postcode in the SL9 8 sector, by new since 2020 Of the 235 postcodes in the SL9 8 sector that ONS places, 2 are new since 2020 and 233 were in use before 2020. Places named: Chalfont St Peter, Gerrards Cross. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M40A40 SL9 8AA: before 2020SL9 8AB: before 2020SL9 8AD: before 2020SL9 8AE: before 2020SL9 8AF: before 2020SL9 8AG: before 2020SL9 8AH: before 2020SL9 8AJ: before 2020SL9 8AL: before 2020SL9 8AN: before 2020SL9 8AP: before 2020SL9 8AQ: before 2020SL9 8AR: before 2020SL9 8AS: before 2020SL9 8AT: before 2020SL9 8AU: before 2020SL9 8AW: before 2020SL9 8AX: before 2020SL9 8AY: before 2020SL9 8AZ: before 2020SL9 8BA: before 2020SL9 8BB: before 2020SL9 8BD: before 2020SL9 8BE: before 2020SL9 8BH: before 2020SL9 8BJ: before 2020SL9 8BL: before 2020SL9 8BQ: before 2020SL9 8BR: before 2020SL9 8BS: before 2020SL9 8BW: before 2020SL9 8BY: before 2020SL9 8BZ: before 2020SL9 8DA: before 2020SL9 8DB: before 2020SL9 8DD: before 2020SL9 8DE: before 2020SL9 8DF: before 2020SL9 8DG: before 2020SL9 8DH: before 2020SL9 8DJ: before 2020SL9 8DL: before 2020SL9 8DN: before 2020SL9 8DP: before 2020SL9 8DR: before 2020SL9 8DS: before 2020SL9 8DT: before 2020SL9 8DW: before 2020SL9 8DX: before 2020SL9 8EB: before 2020SL9 8EF: before 2020SL9 8EL: before 2020SL9 8EN: before 2020SL9 8ER: before 2020SL9 8ES: before 2020SL9 8EU: before 2020SL9 8EY: before 2020SL9 8EZ: before 2020SL9 8FE: before 2020SL9 8FF: before 2020SL9 8FG: before 2020SL9 8FN: before 2020SL9 8FQ: before 2020SL9 8FW: before 2020SL9 8FY: before 2020SL9 8GZ: before 2020SL9 8HA: before 2020SL9 8HB: before 2020SL9 8HD: before 2020SL9 8HE: before 2020SL9 8HF: before 2020SL9 8HG: before 2020SL9 8HH: before 2020SL9 8HJ: before 2020SL9 8HL: before 2020SL9 8HN: before 2020SL9 8HQ: before 2020SL9 8HR: before 2020SL9 8HS: before 2020SL9 8HT: before 2020SL9 8HU: before 2020SL9 8HW: before 2020SL9 8HX: before 2020SL9 8HZ: before 2020SL9 8JA: before 2020SL9 8JB: before 2020SL9 8JD: before 2020SL9 8JE: before 2020SL9 8JF: before 2020SL9 8JG: before 2020SL9 8JH: before 2020SL9 8JJ: before 2020SL9 8JL: before 2020SL9 8JN: before 2020SL9 8JP: before 2020SL9 8JQ: before 2020SL9 8JR: before 2020SL9 8JS: before 2020SL9 8JT: before 2020SL9 8JU: before 2020SL9 8JW: before 2020SL9 8JX: before 2020SL9 8JY: before 2020SL9 8JZ: before 2020SL9 8LA: before 2020SL9 8LB: before 2020SL9 8LD: before 2020SL9 8LE: before 2020SL9 8LG: before 2020SL9 8LH: before 2020SL9 8LJ: before 2020SL9 8LL: before 2020SL9 8LN: before 2020SL9 8LP: before 2020SL9 8LQ: before 2020SL9 8LR: before 2020SL9 8LS: before 2020SL9 8LT: before 2020SL9 8LU: before 2020SL9 8LW: before 2020SL9 8LX: before 2020SL9 8LY: before 2020SL9 8LZ: before 2020SL9 8NA: before 2020SL9 8NB: before 2020SL9 8ND: before 2020SL9 8NE: before 2020SL9 8NF: before 2020SL9 8NG: before 2020SL9 8NH: before 2020SL9 8NJ: before 2020SL9 8NL: before 2020SL9 8NN: before 2020SL9 8NP: before 2020SL9 8NR: before 2020SL9 8NS: before 2020SL9 8NT: before 2020SL9 8NU: before 2020SL9 8NW: before 2020SL9 8NX: before 2020SL9 8NY: before 2020SL9 8NZ: before 2020SL9 8PD: before 2020SL9 8PE: before 2020SL9 8PG: before 2020SL9 8PJ: before 2020SL9 8PL: before 2020SL9 8PP: before 2020SL9 8PR: before 2020SL9 8PS: before 2020SL9 8PT: before 2020SL9 8PU: before 2020SL9 8PW: before 2020SL9 8PX: before 2020SL9 8PY: before 2020SL9 8PZ: before 2020SL9 8QA: before 2020SL9 8QB: before 2020SL9 8QD: before 2020SL9 8QE: before 2020SL9 8QF: before 2020SL9 8QG: before 2020SL9 8QH: before 2020SL9 8QJ: before 2020SL9 8QL: before 2020SL9 8QN: before 2020SL9 8QQ: before 2020SL9 8QS: before 2020SL9 8QT: before 2020SL9 8QW: before 2020SL9 8RA: before 2020SL9 8RD: before 2020SL9 8RE: before 2020SL9 8RF: before 2020SL9 8RG: before 2020SL9 8RH: before 2020SL9 8RJ: before 2020SL9 8RL: before 2020SL9 8RN: before 2020SL9 8RP: before 2020SL9 8RQ: before 2020SL9 8RR: before 2020SL9 8RS: before 2020SL9 8RT: before 2020SL9 8RU: before 2020SL9 8RW: before 2020SL9 8RY: before 2020SL9 8RZ: before 2020SL9 8SA: before 2020SL9 8SB: before 2020SL9 8SD: before 2020SL9 8SE: before 2020SL9 8SF: before 2020SL9 8SG: before 2020SL9 8SJ: before 2020SL9 8SP: before 2020SL9 8SQ: before 2020SL9 8SR: before 2020SL9 8SS: before 2020SL9 8ST: before 2020SL9 8SU: before 2020SL9 8SW: before 2020SL9 8SX: before 2020SL9 8SY: before 2020SL9 8SZ: before 2020SL9 8TA: before 2020SL9 8TB: before 2020SL9 8TD: before 2020SL9 8TE: before 2020SL9 8TH: before 2020SL9 8TJ: before 2020SL9 8TL: before 2020SL9 8TN: before 2020SL9 8TP: before 2020SL9 8TQ: before 2020SL9 8TR: before 2020SL9 8TS: before 2020SL9 8TT: before 2020SL9 8TU: before 2020SL9 8UD: before 2020SL9 8FU: new since 2020SL9 8FZ: new since 2020 Chalfont St PeterGerrards Cross Map of every postcode in the SL9 8 sector, by new since 2020 Of the 235 postcodes in the SL9 8 sector that ONS places, 2 are new since 2020 and 233 were in use before 2020. Places named: Chalfont St Peter, Gerrards Cross. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M40 Chalfont St PeterGerrards Cross
  • New since 2020: 2
  • In use before 2020: 233

Of the 235 postcodes in the SL9 8 sector that ONS places, 2 are new since 2020 and 233 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

SL9 8FZDecember 2020SL9 8FUSeptember 2020

What do homes sell for in SL9 8?

Homes in SL9 8 sold for a typical £1,066,250 in the 12 months to August 2026, across 48 sales, down 3.3% on the 12 months before, HM Land Registry's figures show.

£1,066,250 typical price, the 12 months to August 2026
£1,102,500 12 months to August 2025
▼ down 3.3% on the 12 months before
  • Detached £1,362,500 26 sales
  • Semi-detached 3 sales, too few to price
  • Terraced £835,000 5 sales
  • Flat or maisonette £506,250 14 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 SL9 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. 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 SL9 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.

SL9 8AASL9 8ABSL9 8ADSL9 8AESL9 8AFSL9 8AGSL9 8AHSL9 8AJSL9 8ALSL9 8ANSL9 8APSL9 8AQSL9 8ARSL9 8ASSL9 8ATSL9 8AUSL9 8AWSL9 8AXSL9 8AYSL9 8AZSL9 8BASL9 8BBSL9 8BDSL9 8BESL9 8BHSL9 8BJSL9 8BLSL9 8BQSL9 8BRSL9 8BSSL9 8BWSL9 8BYSL9 8BZSL9 8DASL9 8DBSL9 8DDSL9 8DESL9 8DFSL9 8DGSL9 8DHSL9 8DJSL9 8DLSL9 8DNSL9 8DPSL9 8DQSL9 8DRSL9 8DSSL9 8DTSL9 8DWSL9 8DXSL9 8EBSL9 8EFSL9 8EJSL9 8ELSL9 8ENSL9 8ERSL9 8ESSL9 8EUSL9 8EYSL9 8EZSL9 8FESL9 8FFSL9 8FGSL9 8FNSL9 8FQSL9 8FUSL9 8FWSL9 8FYSL9 8FZSL9 8GXSL9 8GZSL9 8HASL9 8HBSL9 8HDSL9 8HESL9 8HFSL9 8HGSL9 8HHSL9 8HJSL9 8HLSL9 8HNSL9 8HQSL9 8HRSL9 8HSSL9 8HTSL9 8HUSL9 8HWSL9 8HXSL9 8HYSL9 8HZSL9 8JASL9 8JBSL9 8JDSL9 8JESL9 8JFSL9 8JGSL9 8JHSL9 8JJSL9 8JLSL9 8JNSL9 8JPSL9 8JQSL9 8JRSL9 8JSSL9 8JTSL9 8JUSL9 8JWSL9 8JXSL9 8JYSL9 8JZSL9 8LASL9 8LBSL9 8LDSL9 8LESL9 8LGSL9 8LHSL9 8LJSL9 8LLSL9 8LNSL9 8LPSL9 8LQSL9 8LRSL9 8LSSL9 8LTSL9 8LUSL9 8LWSL9 8LXSL9 8LYSL9 8LZSL9 8NASL9 8NBSL9 8NDSL9 8NESL9 8NFSL9 8NGSL9 8NHSL9 8NJSL9 8NLSL9 8NNSL9 8NPSL9 8NQSL9 8NRSL9 8NSSL9 8NTSL9 8NUSL9 8NWSL9 8NXSL9 8NYSL9 8NZSL9 8PDSL9 8PESL9 8PGSL9 8PJSL9 8PLSL9 8PNSL9 8PPSL9 8PQSL9 8PRSL9 8PSSL9 8PTSL9 8PUSL9 8PWSL9 8PXSL9 8PYSL9 8PZSL9 8QASL9 8QBSL9 8QDSL9 8QESL9 8QFSL9 8QGSL9 8QHSL9 8QJSL9 8QLSL9 8QNSL9 8QQSL9 8QRSL9 8QSSL9 8QTSL9 8QWSL9 8RASL9 8RDSL9 8RESL9 8RFSL9 8RGSL9 8RHSL9 8RJSL9 8RLSL9 8RNSL9 8RPSL9 8RQSL9 8RRSL9 8RSSL9 8RTSL9 8RUSL9 8RWSL9 8RXSL9 8RYSL9 8RZSL9 8SASL9 8SBSL9 8SDSL9 8SESL9 8SFSL9 8SGSL9 8SJSL9 8SPSL9 8SQSL9 8SRSL9 8SSSL9 8STSL9 8SUSL9 8SWSL9 8SXSL9 8SYSL9 8SZSL9 8TASL9 8TBSL9 8TDSL9 8TESL9 8THSL9 8TJSL9 8TLSL9 8TNSL9 8TPSL9 8TQSL9 8TRSL9 8TSSL9 8TTSL9 8TUSL9 8TWSL9 8UDSL9 8WTSL9 8YLSL9 8YU

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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