SL0 9 postcode sector in the SL0 district

SL0 9 is a sector of the SL0 district: every postcode that starts SL0 9. It has 153 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 SL0 9 sector, by flood risk

Map of every postcode in the SL0 9 sector, by flood risk Of the 153 postcodes in the SL0 9 sector that ONS places, 2 have a home or business at high risk, 4 are at medium risk at worst, 3 are at low risk at worst and 144 are not on the Environment Agency's at-risk list. Places named: Iver, Richings Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M25 SL0 9AB: not on the flood risk listSL0 9AD: not on the flood risk listSL0 9AE: not on the flood risk listSL0 9AF: not on the flood risk listSL0 9AG: not on the flood risk listSL0 9AL: not on the flood risk listSL0 9AS: not on the flood risk listSL0 9AT: not on the flood risk listSL0 9AU: not on the flood risk listSL0 9AW: not on the flood risk listSL0 9AX: not on the flood risk listSL0 9AY: not on the flood risk listSL0 9AZ: not on the flood risk listSL0 9BA: not on the flood risk listSL0 9BD: not on the flood risk listSL0 9BE: not on the flood risk listSL0 9BG: not on the flood risk listSL0 9BH: not on the flood risk listSL0 9BJ: not on the flood risk listSL0 9BL: not on the flood risk listSL0 9BN: not on the flood risk listSL0 9BP: not on the flood risk listSL0 9BQ: not on the flood risk listSL0 9BU: not on the flood risk listSL0 9BW: not on the flood risk listSL0 9BX: not on the flood risk listSL0 9BY: not on the flood risk listSL0 9BZ: not on the flood risk listSL0 9DA: not on the flood risk listSL0 9DB: not on the flood risk listSL0 9DD: not on the flood risk listSL0 9DE: not on the flood risk listSL0 9DF: not on the flood risk listSL0 9DG: not on the flood risk listSL0 9DH: not on the flood risk listSL0 9DJ: not on the flood risk listSL0 9DL: not on the flood risk listSL0 9DN: not on the flood risk listSL0 9DP: not on the flood risk listSL0 9DQ: not on the flood risk listSL0 9DR: not on the flood risk listSL0 9DS: not on the flood risk listSL0 9DT: not on the flood risk listSL0 9DU: not on the flood risk listSL0 9DY: not on the flood risk listSL0 9DZ: not on the flood risk listSL0 9EE: not on the flood risk listSL0 9EF: not on the flood risk listSL0 9EG: not on the flood risk listSL0 9EH: not on the flood risk listSL0 9EJ: not on the flood risk listSL0 9EL: not on the flood risk listSL0 9EN: not on the flood risk listSL0 9EP: not on the flood risk listSL0 9EQ: not on the flood risk listSL0 9ER: not on the flood risk listSL0 9ES: not on the flood risk listSL0 9ET: not on the flood risk listSL0 9EU: not on the flood risk listSL0 9EW: not on the flood risk listSL0 9HE: not on the flood risk listSL0 9HF: not on the flood risk listSL0 9HJ: not on the flood risk listSL0 9HL: not on the flood risk listSL0 9HW: not on the flood risk listSL0 9HX: not on the flood risk listSL0 9HY: not on the flood risk listSL0 9JQ: not on the flood risk listSL0 9JR: not on the flood risk listSL0 9JS: not on the flood risk listSL0 9JT: not on the flood risk listSL0 9JU: not on the flood risk listSL0 9JX: not on the flood risk listSL0 9JY: not on the flood risk listSL0 9JZ: not on the flood risk listSL0 9LA: not on the flood risk listSL0 9LB: not on the flood risk listSL0 9LE: not on the flood risk listSL0 9LF: not on the flood risk listSL0 9LG: not on the flood risk listSL0 9LJ: not on the flood risk listSL0 9LQ: not on the flood risk listSL0 9LR: not on the flood risk listSL0 9LT: not on the flood risk listSL0 9LU: not on the flood risk listSL0 9LY: not on the flood risk listSL0 9LZ: not on the flood risk listSL0 9NA: not on the flood risk listSL0 9NB: not on the flood risk listSL0 9ND: not on the flood risk listSL0 9NE: not on the flood risk listSL0 9NG: not on the flood risk listSL0 9NH: not on the flood risk listSL0 9NJ: not on the flood risk listSL0 9NL: not on the flood risk listSL0 9NN: not on the flood risk listSL0 9NP: not on the flood risk listSL0 9NT: not on the flood risk listSL0 9NU: not on the flood risk listSL0 9NW: not on the flood risk listSL0 9NX: not on the flood risk listSL0 9NY: not on the flood risk listSL0 9NZ: not on the flood risk listSL0 9PA: not on the flood risk listSL0 9PJ: not on the flood risk listSL0 9PL: not on the flood risk listSL0 9PN: not on the flood risk listSL0 9PR: not on the flood risk listSL0 9PS: not on the flood risk listSL0 9PT: not on the flood risk listSL0 9PU: not on the flood risk listSL0 9PW: not on the flood risk listSL0 9QA: not on the flood risk listSL0 9QB: not on the flood risk listSL0 9QD: not on the flood risk listSL0 9QE: not on the flood risk listSL0 9QF: not on the flood risk listSL0 9QG: not on the flood risk listSL0 9QH: not on the flood risk listSL0 9QJ: not on the flood risk listSL0 9QL: not on the flood risk listSL0 9QN: not on the flood risk listSL0 9QP: not on the flood risk listSL0 9QR: not on the flood risk listSL0 9QS: not on the flood risk listSL0 9QT: not on the flood risk listSL0 9QW: not on the flood risk listSL0 9QX: not on the flood risk listSL0 9QY: not on the flood risk listSL0 9QZ: not on the flood risk listSL0 9RA: not on the flood risk listSL0 9RB: not on the flood risk listSL0 9RD: not on the flood risk listSL0 9RE: not on the flood risk listSL0 9RF: not on the flood risk listSL0 9RG: not on the flood risk listSL0 9RH: not on the flood risk listSL0 9RJ: not on the flood risk listSL0 9RL: not on the flood risk listSL0 9RN: not on the flood risk listSL0 9RP: not on the flood risk listSL0 9RQ: not on the flood risk listSL0 9RW: not on the flood risk listSL0 9DX: low flood risk at worstSL0 9LH: low flood risk at worstSL0 9RR: low flood risk at worstSL0 9AJ: medium flood risk at worstSL0 9AN: medium flood risk at worstSL0 9AQ: medium flood risk at worstSL0 9LL: medium flood risk at worstSL0 9AH: high flood riskSL0 9AR: high flood risk IverRichings Park Map of every postcode in the SL0 9 sector, by flood risk Of the 153 postcodes in the SL0 9 sector that ONS places, 2 have a home or business at high risk, 4 are at medium risk at worst, 3 are at low risk at worst and 144 are not on the Environment Agency's at-risk list. Places named: Iver, Richings Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. IverRichings Park
  • A home or business at high risk: 2
  • At medium risk at worst: 4
  • At low risk at worst: 3
  • At very low risk only: 0
  • Not on the at-risk list: 144

Of the 153 postcodes in the SL0 9 sector that ONS places, 2 have a home or business at high risk, 4 are at medium risk at worst, 3 are at low risk at worst and 144 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

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

SL0 9AH4 at high riskSL0 9AR1 at high risk

What do homes sell for in SL0 9?

Homes in SL0 9 sold for a typical £485,000 in the 12 months to August 2026, across 46 sales, down 13% on the 12 months before, HM Land Registry's figures show.

£485,000 typical price, the 12 months to August 2026
£557,500 12 months to August 2025
▼ down 13% on the 12 months before
  • Detached £848,000 9 sales
  • Semi-detached £537,500 12 sales
  • Terraced £450,000 19 sales
  • Flat or maisonette £330,750 6 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 SL0 9. 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 SL0 9

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.

SL0 9ABSL0 9ADSL0 9AESL0 9AFSL0 9AGSL0 9AHSL0 9AJSL0 9ALSL0 9ANSL0 9AQSL0 9ARSL0 9ASSL0 9ATSL0 9AUSL0 9AWSL0 9AXSL0 9AYSL0 9AZSL0 9BASL0 9BDSL0 9BESL0 9BGSL0 9BHSL0 9BJSL0 9BLSL0 9BNSL0 9BPSL0 9BQSL0 9BUSL0 9BWSL0 9BXSL0 9BYSL0 9BZSL0 9DASL0 9DBSL0 9DDSL0 9DESL0 9DFSL0 9DGSL0 9DHSL0 9DJSL0 9DLSL0 9DNSL0 9DPSL0 9DQSL0 9DRSL0 9DSSL0 9DTSL0 9DUSL0 9DXSL0 9DYSL0 9DZSL0 9EESL0 9EFSL0 9EGSL0 9EHSL0 9EJSL0 9ELSL0 9ENSL0 9EPSL0 9EQSL0 9ERSL0 9ESSL0 9ETSL0 9EUSL0 9EWSL0 9HESL0 9HFSL0 9HJSL0 9HLSL0 9HWSL0 9HXSL0 9HYSL0 9JQSL0 9JRSL0 9JSSL0 9JTSL0 9JUSL0 9JXSL0 9JYSL0 9JZSL0 9LASL0 9LBSL0 9LESL0 9LFSL0 9LGSL0 9LHSL0 9LJSL0 9LLSL0 9LQSL0 9LRSL0 9LTSL0 9LUSL0 9LYSL0 9LZSL0 9NASL0 9NBSL0 9NDSL0 9NESL0 9NGSL0 9NHSL0 9NJSL0 9NLSL0 9NNSL0 9NPSL0 9NQSL0 9NTSL0 9NUSL0 9NWSL0 9NXSL0 9NYSL0 9NZSL0 9PASL0 9PJSL0 9PLSL0 9PNSL0 9PRSL0 9PSSL0 9PTSL0 9PUSL0 9PWSL0 9QASL0 9QBSL0 9QDSL0 9QESL0 9QFSL0 9QGSL0 9QHSL0 9QJSL0 9QLSL0 9QNSL0 9QPSL0 9QRSL0 9QSSL0 9QTSL0 9QWSL0 9QXSL0 9QYSL0 9QZSL0 9RASL0 9RBSL0 9RDSL0 9RESL0 9RFSL0 9RGSL0 9RHSL0 9RJSL0 9RLSL0 9RNSL0 9RPSL0 9RQSL0 9RRSL0 9RW

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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