RG4 9 postcode sector in the RG4 district

RG4 9 is a sector of the RG4 district: every postcode that starts RG4 9. It has 213 postcodes in use, 5 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 RG4 9 sector, by flood risk

Map of every postcode in the RG4 9 sector, by flood risk Of the 213 postcodes in the RG4 9 sector that ONS places, 3 have a home or business at high risk, 3 are at low risk at worst and 207 are not on the Environment Agency's at-risk list. Places named: Caversham, Sonning Common. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A4074A4155 RG4 9AA: not on the flood risk listRG4 9AB: not on the flood risk listRG4 9AD: not on the flood risk listRG4 9AF: not on the flood risk listRG4 9AG: not on the flood risk listRG4 9AH: not on the flood risk listRG4 9AJ: not on the flood risk listRG4 9AL: not on the flood risk listRG4 9AN: not on the flood risk listRG4 9AP: not on the flood risk listRG4 9AQ: not on the flood risk listRG4 9AR: not on the flood risk listRG4 9AS: not on the flood risk listRG4 9AT: not on the flood risk listRG4 9AU: not on the flood risk listRG4 9AW: not on the flood risk listRG4 9AX: not on the flood risk listRG4 9AY: not on the flood risk listRG4 9AZ: not on the flood risk listRG4 9BA: not on the flood risk listRG4 9BB: not on the flood risk listRG4 9BD: not on the flood risk listRG4 9BE: not on the flood risk listRG4 9BG: not on the flood risk listRG4 9BH: not on the flood risk listRG4 9BJ: not on the flood risk listRG4 9BL: not on the flood risk listRG4 9BN: not on the flood risk listRG4 9BP: not on the flood risk listRG4 9BQ: not on the flood risk listRG4 9BS: not on the flood risk listRG4 9BT: not on the flood risk listRG4 9BU: not on the flood risk listRG4 9BW: not on the flood risk listRG4 9BX: not on the flood risk listRG4 9DB: not on the flood risk listRG4 9DE: not on the flood risk listRG4 9DF: not on the flood risk listRG4 9DH: not on the flood risk listRG4 9DJ: not on the flood risk listRG4 9DL: not on the flood risk listRG4 9DP: not on the flood risk listRG4 9DQ: not on the flood risk listRG4 9DR: not on the flood risk listRG4 9DS: not on the flood risk listRG4 9DT: not on the flood risk listRG4 9DU: not on the flood risk listRG4 9DW: not on the flood risk listRG4 9EA: not on the flood risk listRG4 9EB: not on the flood risk listRG4 9ED: not on the flood risk listRG4 9EE: not on the flood risk listRG4 9EF: not on the flood risk listRG4 9EG: not on the flood risk listRG4 9EH: not on the flood risk listRG4 9EJ: not on the flood risk listRG4 9EL: not on the flood risk listRG4 9EN: not on the flood risk listRG4 9EP: not on the flood risk listRG4 9EQ: not on the flood risk listRG4 9ER: not on the flood risk listRG4 9ES: not on the flood risk listRG4 9ET: not on the flood risk listRG4 9EU: not on the flood risk listRG4 9EW: not on the flood risk listRG4 9EY: not on the flood risk listRG4 9EZ: not on the flood risk listRG4 9FA: not on the flood risk listRG4 9FD: not on the flood risk listRG4 9FE: not on the flood risk listRG4 9FF: not on the flood risk listRG4 9FG: not on the flood risk listRG4 9HA: not on the flood risk listRG4 9HB: not on the flood risk listRG4 9HD: not on the flood risk listRG4 9HE: not on the flood risk listRG4 9HG: not on the flood risk listRG4 9HH: not on the flood risk listRG4 9HJ: not on the flood risk listRG4 9HL: not on the flood risk listRG4 9HN: not on the flood risk listRG4 9HP: not on the flood risk listRG4 9HR: not on the flood risk listRG4 9HS: not on the flood risk listRG4 9HT: not on the flood risk listRG4 9HU: not on the flood risk listRG4 9HX: not on the flood risk listRG4 9HY: not on the flood risk listRG4 9JA: not on the flood risk listRG4 9JB: not on the flood risk listRG4 9JE: not on the flood risk listRG4 9JF: not on the flood risk listRG4 9JJ: not on the flood risk listRG4 9JP: not on the flood risk listRG4 9JR: not on the flood risk listRG4 9JS: not on the flood risk listRG4 9JT: not on the flood risk listRG4 9JX: not on the flood risk listRG4 9JY: not on the flood risk listRG4 9LA: not on the flood risk listRG4 9LB: not on the flood risk listRG4 9LD: not on the flood risk listRG4 9LE: not on the flood risk listRG4 9LF: not on the flood risk listRG4 9LG: not on the flood risk listRG4 9LH: not on the flood risk listRG4 9LL: not on the flood risk listRG4 9LN: not on the flood risk listRG4 9LP: not on the flood risk listRG4 9LQ: not on the flood risk listRG4 9LR: not on the flood risk listRG4 9LT: not on the flood risk listRG4 9LU: not on the flood risk listRG4 9LW: not on the flood risk listRG4 9LX: not on the flood risk listRG4 9LY: not on the flood risk listRG4 9LZ: not on the flood risk listRG4 9NA: not on the flood risk listRG4 9NB: not on the flood risk listRG4 9ND: not on the flood risk listRG4 9NE: not on the flood risk listRG4 9NG: not on the flood risk listRG4 9NH: not on the flood risk listRG4 9NJ: not on the flood risk listRG4 9NL: not on the flood risk listRG4 9NP: not on the flood risk listRG4 9NR: not on the flood risk listRG4 9NS: not on the flood risk listRG4 9NT: not on the flood risk listRG4 9NU: not on the flood risk listRG4 9NX: not on the flood risk listRG4 9PA: not on the flood risk listRG4 9PB: not on the flood risk listRG4 9PE: not on the flood risk listRG4 9PG: not on the flood risk listRG4 9PH: not on the flood risk listRG4 9PJ: not on the flood risk listRG4 9PL: not on the flood risk listRG4 9PN: not on the flood risk listRG4 9PP: not on the flood risk listRG4 9PQ: not on the flood risk listRG4 9PR: not on the flood risk listRG4 9PS: not on the flood risk listRG4 9PT: not on the flood risk listRG4 9PU: not on the flood risk listRG4 9PW: not on the flood risk listRG4 9PX: not on the flood risk listRG4 9PY: not on the flood risk listRG4 9QA: not on the flood risk listRG4 9QD: not on the flood risk listRG4 9QE: not on the flood risk listRG4 9QF: not on the flood risk listRG4 9QG: not on the flood risk listRG4 9QH: not on the flood risk listRG4 9QJ: not on the flood risk listRG4 9QL: not on the flood risk listRG4 9QN: not on the flood risk listRG4 9QS: not on the flood risk listRG4 9QT: not on the flood risk listRG4 9QX: not on the flood risk listRG4 9RE: not on the flood risk listRG4 9RF: not on the flood risk listRG4 9RG: not on the flood risk listRG4 9RH: not on the flood risk listRG4 9RJ: not on the flood risk listRG4 9RL: not on the flood risk listRG4 9RR: not on the flood risk listRG4 9RS: not on the flood risk listRG4 9RT: not on the flood risk listRG4 9RU: not on the flood risk listRG4 9RX: not on the flood risk listRG4 9SA: not on the flood risk listRG4 9SH: not on the flood risk listRG4 9SJ: not on the flood risk listRG4 9SL: not on the flood risk listRG4 9SN: not on the flood risk listRG4 9SP: not on the flood risk listRG4 9SR: not on the flood risk listRG4 9SS: not on the flood risk listRG4 9SW: not on the flood risk listRG4 9SY: not on the flood risk listRG4 9TA: not on the flood risk listRG4 9TB: not on the flood risk listRG4 9TD: not on the flood risk listRG4 9TF: not on the flood risk listRG4 9TG: not on the flood risk listRG4 9TH: not on the flood risk listRG4 9TJ: not on the flood risk listRG4 9TS: not on the flood risk listRG4 9QP: low flood risk at worstRG4 9QR: low flood risk at worstRG4 9RA: high flood riskRG4 9RB: high flood riskRG4 9RD: high flood risk CavershamSonning Common Map of every postcode in the RG4 9 sector, by flood risk Of the 213 postcodes in the RG4 9 sector that ONS places, 3 have a home or business at high risk, 3 are at low risk at worst and 207 are not on the Environment Agency's at-risk list. Places named: Caversham, Sonning Common. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A4074A4155 CavershamSonning Common
  • A home or business at high risk: 3
  • At medium risk at worst: 0
  • At low risk at worst: 3
  • At very low risk only: 0
  • Not on the at-risk list: 207

Of the 213 postcodes in the RG4 9 sector that ONS places, 3 have a home or business at high risk, 3 are at low risk at worst and 207 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.

RG4 9RA4 at high riskRG4 9RB4 at high riskRG4 9RD1 at high risk

What do homes sell for in RG4 9?

Homes in RG4 9 sold for a typical £585,000 in the 12 months to August 2026, across 71 sales, up 1.7% on the 12 months before, HM Land Registry's figures show.

£585,000 typical price, the 12 months to August 2026
£575,000 12 months to August 2025
▲ up 1.7% on the 12 months before
  • Detached £897,500 42 sales
  • Semi-detached £477,500 14 sales
  • Terraced £397,498 12 sales
  • Flat or maisonette 3 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 RG4 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 RG4 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.

RG4 9AARG4 9ABRG4 9ADRG4 9AERG4 9AFRG4 9AGRG4 9AHRG4 9AJRG4 9ALRG4 9ANRG4 9APRG4 9AQRG4 9ARRG4 9ASRG4 9ATRG4 9AURG4 9AWRG4 9AXRG4 9AYRG4 9AZRG4 9BARG4 9BBRG4 9BDRG4 9BERG4 9BGRG4 9BHRG4 9BJRG4 9BLRG4 9BNRG4 9BPRG4 9BQRG4 9BSRG4 9BTRG4 9BURG4 9BWRG4 9BXRG4 9DARG4 9DBRG4 9DDRG4 9DERG4 9DFRG4 9DHRG4 9DJRG4 9DLRG4 9DNRG4 9DPRG4 9DQRG4 9DRRG4 9DSRG4 9DTRG4 9DURG4 9DWRG4 9EARG4 9EBRG4 9EDRG4 9EERG4 9EFRG4 9EGRG4 9EHRG4 9EJRG4 9ELRG4 9ENRG4 9EPRG4 9EQRG4 9ERRG4 9ESRG4 9ETRG4 9EURG4 9EWRG4 9EXRG4 9EYRG4 9EZRG4 9FARG4 9FBRG4 9FDRG4 9FERG4 9FFRG4 9FGRG4 9HARG4 9HBRG4 9HDRG4 9HERG4 9HGRG4 9HHRG4 9HJRG4 9HLRG4 9HNRG4 9HPRG4 9HRRG4 9HSRG4 9HTRG4 9HURG4 9HXRG4 9HYRG4 9JARG4 9JBRG4 9JERG4 9JFRG4 9JJRG4 9JPRG4 9JRRG4 9JSRG4 9JTRG4 9JXRG4 9JYRG4 9LARG4 9LBRG4 9LDRG4 9LERG4 9LFRG4 9LGRG4 9LHRG4 9LJRG4 9LLRG4 9LNRG4 9LPRG4 9LQRG4 9LRRG4 9LSRG4 9LTRG4 9LURG4 9LWRG4 9LXRG4 9LYRG4 9LZRG4 9NARG4 9NBRG4 9NDRG4 9NERG4 9NGRG4 9NHRG4 9NJRG4 9NLRG4 9NPRG4 9NRRG4 9NSRG4 9NTRG4 9NURG4 9NXRG4 9NYRG4 9PARG4 9PBRG4 9PERG4 9PGRG4 9PHRG4 9PJRG4 9PLRG4 9PNRG4 9PPRG4 9PQRG4 9PRRG4 9PSRG4 9PTRG4 9PURG4 9PWRG4 9PXRG4 9PYRG4 9QARG4 9QDRG4 9QERG4 9QFRG4 9QGRG4 9QHRG4 9QJRG4 9QLRG4 9QNRG4 9QPRG4 9QRRG4 9QSRG4 9QTRG4 9QURG4 9QXRG4 9QYRG4 9RARG4 9RBRG4 9RDRG4 9RERG4 9RFRG4 9RGRG4 9RHRG4 9RJRG4 9RLRG4 9RNRG4 9RPRG4 9RRRG4 9RSRG4 9RTRG4 9RURG4 9RXRG4 9RYRG4 9SARG4 9SHRG4 9SJRG4 9SLRG4 9SNRG4 9SPRG4 9SQRG4 9SRRG4 9SSRG4 9SURG4 9SWRG4 9SYRG4 9SZRG4 9TARG4 9TBRG4 9TDRG4 9TERG4 9TFRG4 9TGRG4 9THRG4 9TJRG4 9TLRG4 9TS

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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