SL9 0 postcode sector in the SL9 district

SL9 0 is a sector of the SL9 district: every postcode that starts SL9 0. It has 215 postcodes in use, one of them a large-user postcode. 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 0 sector, by flood risk

Map of every postcode in the SL9 0 sector, by flood risk Of the 215 postcodes in the SL9 0 sector that ONS places, 4 are at low risk at worst and 211 are not on the Environment Agency's at-risk list. Places named: Chalfont St Peter, Maple Cross. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M25A40 SL9 0AA: not on the flood risk listSL9 0AB: not on the flood risk listSL9 0AD: not on the flood risk listSL9 0AE: not on the flood risk listSL9 0AF: not on the flood risk listSL9 0AG: not on the flood risk listSL9 0AH: not on the flood risk listSL9 0AJ: not on the flood risk listSL9 0AL: not on the flood risk listSL9 0AP: not on the flood risk listSL9 0AQ: not on the flood risk listSL9 0AR: not on the flood risk listSL9 0AS: not on the flood risk listSL9 0AT: not on the flood risk listSL9 0AU: not on the flood risk listSL9 0AW: not on the flood risk listSL9 0AX: not on the flood risk listSL9 0AY: not on the flood risk listSL9 0AZ: not on the flood risk listSL9 0BA: not on the flood risk listSL9 0BB: not on the flood risk listSL9 0BD: not on the flood risk listSL9 0BG: not on the flood risk listSL9 0BH: not on the flood risk listSL9 0BJ: not on the flood risk listSL9 0BL: not on the flood risk listSL9 0BN: not on the flood risk listSL9 0BP: not on the flood risk listSL9 0BQ: not on the flood risk listSL9 0BT: not on the flood risk listSL9 0BW: not on the flood risk listSL9 0BX: not on the flood risk listSL9 0BY: not on the flood risk listSL9 0BZ: not on the flood risk listSL9 0DA: not on the flood risk listSL9 0DB: not on the flood risk listSL9 0DD: not on the flood risk listSL9 0DE: not on the flood risk listSL9 0DF: not on the flood risk listSL9 0DG: not on the flood risk listSL9 0DH: not on the flood risk listSL9 0DJ: not on the flood risk listSL9 0DL: not on the flood risk listSL9 0DN: not on the flood risk listSL9 0DP: not on the flood risk listSL9 0DQ: not on the flood risk listSL9 0DR: not on the flood risk listSL9 0DS: not on the flood risk listSL9 0DU: not on the flood risk listSL9 0DW: not on the flood risk listSL9 0DX: not on the flood risk listSL9 0DY: not on the flood risk listSL9 0DZ: not on the flood risk listSL9 0EA: not on the flood risk listSL9 0EB: not on the flood risk listSL9 0ED: not on the flood risk listSL9 0EF: not on the flood risk listSL9 0EG: not on the flood risk listSL9 0EH: not on the flood risk listSL9 0EJ: not on the flood risk listSL9 0EN: not on the flood risk listSL9 0EP: not on the flood risk listSL9 0EQ: not on the flood risk listSL9 0ER: not on the flood risk listSL9 0ES: not on the flood risk listSL9 0ET: not on the flood risk listSL9 0EU: not on the flood risk listSL9 0EW: not on the flood risk listSL9 0EX: not on the flood risk listSL9 0EY: not on the flood risk listSL9 0EZ: not on the flood risk listSL9 0FA: not on the flood risk listSL9 0FB: not on the flood risk listSL9 0FD: not on the flood risk listSL9 0FE: not on the flood risk listSL9 0FF: not on the flood risk listSL9 0FG: not on the flood risk listSL9 0FH: not on the flood risk listSL9 0FJ: not on the flood risk listSL9 0FL: not on the flood risk listSL9 0FN: not on the flood risk listSL9 0FP: not on the flood risk listSL9 0FQ: not on the flood risk listSL9 0FR: not on the flood risk listSL9 0FS: not on the flood risk listSL9 0FT: not on the flood risk listSL9 0FU: not on the flood risk listSL9 0FW: not on the flood risk listSL9 0FX: not on the flood risk listSL9 0GA: not on the flood risk listSL9 0HA: not on the flood risk listSL9 0HB: not on the flood risk listSL9 0HD: not on the flood risk listSL9 0HE: not on the flood risk listSL9 0HF: not on the flood risk listSL9 0HG: not on the flood risk listSL9 0HH: not on the flood risk listSL9 0HJ: not on the flood risk listSL9 0HL: not on the flood risk listSL9 0HN: not on the flood risk listSL9 0HQ: not on the flood risk listSL9 0HR: not on the flood risk listSL9 0HS: not on the flood risk listSL9 0HT: not on the flood risk listSL9 0HU: not on the flood risk listSL9 0HW: not on the flood risk listSL9 0HX: not on the flood risk listSL9 0HY: not on the flood risk listSL9 0HZ: not on the flood risk listSL9 0JA: not on the flood risk listSL9 0JB: not on the flood risk listSL9 0JD: not on the flood risk listSL9 0JE: not on the flood risk listSL9 0JF: not on the flood risk listSL9 0JG: not on the flood risk listSL9 0JH: not on the flood risk listSL9 0JJ: not on the flood risk listSL9 0JL: not on the flood risk listSL9 0JP: not on the flood risk listSL9 0JQ: not on the flood risk listSL9 0JR: not on the flood risk listSL9 0JS: not on the flood risk listSL9 0JT: not on the flood risk listSL9 0JU: not on the flood risk listSL9 0JX: not on the flood risk listSL9 0JY: not on the flood risk listSL9 0JZ: not on the flood risk listSL9 0LA: not on the flood risk listSL9 0LB: not on the flood risk listSL9 0LD: not on the flood risk listSL9 0LE: not on the flood risk listSL9 0LF: not on the flood risk listSL9 0LG: not on the flood risk listSL9 0LH: not on the flood risk listSL9 0LJ: not on the flood risk listSL9 0LL: not on the flood risk listSL9 0LP: not on the flood risk listSL9 0LQ: not on the flood risk listSL9 0LR: not on the flood risk listSL9 0LS: not on the flood risk listSL9 0LU: not on the flood risk listSL9 0LW: not on the flood risk listSL9 0LX: not on the flood risk listSL9 0LY: not on the flood risk listSL9 0LZ: not on the flood risk listSL9 0NA: not on the flood risk listSL9 0NB: not on the flood risk listSL9 0NE: not on the flood risk listSL9 0NF: not on the flood risk listSL9 0NG: not on the flood risk listSL9 0NH: not on the flood risk listSL9 0NJ: not on the flood risk listSL9 0NL: not on the flood risk listSL9 0NN: not on the flood risk listSL9 0NP: not on the flood risk listSL9 0NQ: not on the flood risk listSL9 0NS: not on the flood risk listSL9 0NU: not on the flood risk listSL9 0NW: not on the flood risk listSL9 0NX: not on the flood risk listSL9 0NY: not on the flood risk listSL9 0NZ: not on the flood risk listSL9 0PB: not on the flood risk listSL9 0PD: not on the flood risk listSL9 0PF: not on the flood risk listSL9 0PG: not on the flood risk listSL9 0PH: not on the flood risk listSL9 0PJ: not on the flood risk listSL9 0PL: not on the flood risk listSL9 0PN: not on the flood risk listSL9 0PP: not on the flood risk listSL9 0PQ: not on the flood risk listSL9 0PR: not on the flood risk listSL9 0PT: not on the flood risk listSL9 0PW: not on the flood risk listSL9 0PY: not on the flood risk listSL9 0PZ: not on the flood risk listSL9 0QD: not on the flood risk listSL9 0QE: not on the flood risk listSL9 0QF: not on the flood risk listSL9 0QG: not on the flood risk listSL9 0QH: not on the flood risk listSL9 0QJ: not on the flood risk listSL9 0QP: not on the flood risk listSL9 0QQ: not on the flood risk listSL9 0QR: not on the flood risk listSL9 0QT: not on the flood risk listSL9 0QU: not on the flood risk listSL9 0QW: not on the flood risk listSL9 0QX: not on the flood risk listSL9 0QY: not on the flood risk listSL9 0QZ: not on the flood risk listSL9 0RB: not on the flood risk listSL9 0RD: not on the flood risk listSL9 0RE: not on the flood risk listSL9 0RG: not on the flood risk listSL9 0RH: not on the flood risk listSL9 0RJ: not on the flood risk listSL9 0RL: not on the flood risk listSL9 0RN: not on the flood risk listSL9 0RP: not on the flood risk listSL9 0RQ: not on the flood risk listSL9 0RX: not on the flood risk listSL9 0SA: not on the flood risk listSL9 0SD: not on the flood risk listSL9 0SE: not on the flood risk listSL9 0SX: not on the flood risk listSL9 0SZ: not on the flood risk listSL9 0PA: low flood risk at worstSL9 0PU: low flood risk at worstSL9 0PX: low flood risk at worstSL9 0QA: low flood risk at worst Chalfont St PeterMaple Cross Map of every postcode in the SL9 0 sector, by flood risk Of the 215 postcodes in the SL9 0 sector that ONS places, 4 are at low risk at worst and 211 are not on the Environment Agency's at-risk list. Places named: Chalfont St Peter. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M25A40 Chalfont St Peter
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 4
  • At very low risk only: 0
  • Not on the at-risk list: 211

Of the 215 postcodes in the SL9 0 sector that ONS places, 4 are at low risk at worst and 211 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.

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 SL9 0?

Homes in SL9 0 sold for a typical £850,000 in the 12 months to August 2026, across 51 sales, up 3% on the 12 months before, HM Land Registry's figures show.

£850,000 typical price, the 12 months to August 2026
£825,500 12 months to August 2025
▲ up 3% on the 12 months before
  • Detached £866,500 38 sales
  • Semi-detached 4 sales, too few to price
  • Terraced 2 sales, too few to price
  • Flat or maisonette £700,000 7 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 0. 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 0

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 0AASL9 0ABSL9 0ADSL9 0AESL9 0AFSL9 0AGSL9 0AHSL9 0AJSL9 0ALSL9 0APSL9 0AQSL9 0ARSL9 0ASSL9 0ATSL9 0AUSL9 0AWSL9 0AXSL9 0AYSL9 0AZSL9 0BASL9 0BBSL9 0BDSL9 0BGSL9 0BHSL9 0BJSL9 0BLSL9 0BNSL9 0BPSL9 0BQSL9 0BTSL9 0BWSL9 0BXSL9 0BYSL9 0BZSL9 0DASL9 0DBSL9 0DDSL9 0DESL9 0DFSL9 0DGSL9 0DHSL9 0DJSL9 0DLSL9 0DNSL9 0DPSL9 0DQSL9 0DRSL9 0DSSL9 0DUSL9 0DWSL9 0DXSL9 0DYSL9 0DZSL9 0EASL9 0EBSL9 0EDSL9 0EFSL9 0EGSL9 0EHSL9 0EJSL9 0ENSL9 0EPSL9 0EQSL9 0ERSL9 0ESSL9 0ETSL9 0EUSL9 0EWSL9 0EXSL9 0EYSL9 0EZSL9 0FASL9 0FBSL9 0FDSL9 0FESL9 0FFSL9 0FGSL9 0FHSL9 0FJSL9 0FLSL9 0FNSL9 0FPSL9 0FQSL9 0FRSL9 0FSSL9 0FTSL9 0FUSL9 0FWSL9 0FXSL9 0GASL9 0HASL9 0HBSL9 0HDSL9 0HESL9 0HFSL9 0HGSL9 0HHSL9 0HJSL9 0HLSL9 0HNSL9 0HQSL9 0HRSL9 0HSSL9 0HTSL9 0HUSL9 0HWSL9 0HXSL9 0HYSL9 0HZSL9 0JASL9 0JBSL9 0JDSL9 0JESL9 0JFSL9 0JGSL9 0JHSL9 0JJSL9 0JLSL9 0JPSL9 0JQSL9 0JRSL9 0JSSL9 0JTSL9 0JUSL9 0JXSL9 0JYSL9 0JZSL9 0LASL9 0LBSL9 0LDSL9 0LESL9 0LFSL9 0LGSL9 0LHSL9 0LJSL9 0LLSL9 0LPSL9 0LQSL9 0LRSL9 0LSSL9 0LTSL9 0LUSL9 0LWSL9 0LXSL9 0LYSL9 0LZSL9 0NASL9 0NBSL9 0NESL9 0NFSL9 0NGSL9 0NHSL9 0NJSL9 0NLSL9 0NNSL9 0NPSL9 0NQSL9 0NSSL9 0NTSL9 0NUSL9 0NWSL9 0NXSL9 0NYSL9 0NZSL9 0PASL9 0PBSL9 0PDSL9 0PFSL9 0PGSL9 0PHSL9 0PJSL9 0PLSL9 0PNSL9 0PPSL9 0PQSL9 0PRSL9 0PSSL9 0PTSL9 0PUSL9 0PWSL9 0PXSL9 0PYSL9 0PZSL9 0QASL9 0QDSL9 0QESL9 0QFSL9 0QGSL9 0QHSL9 0QJSL9 0QPSL9 0QQSL9 0QRSL9 0QTSL9 0QUSL9 0QWSL9 0QXSL9 0QYSL9 0QZSL9 0RBSL9 0RDSL9 0RESL9 0RGSL9 0RHSL9 0RJSL9 0RLSL9 0RNSL9 0RPSL9 0RQSL9 0RXSL9 0SASL9 0SDSL9 0SESL9 0SXSL9 0SZ

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.