RH1 4 postcode sector in the RH1 district

RH1 4 is a sector of the RH1 district: every postcode that starts RH1 4. It has 181 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 RH1 4 sector, by flood risk

Map of every postcode in the RH1 4 sector, by flood risk Of the 181 postcodes in the RH1 4 sector that ONS places, 2 are at medium risk at worst, 2 are at low risk at worst and 177 are not on the Environment Agency's at-risk list. Places named: South Merstham, Bletchingley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M23M25 RH1 4AD: not on the flood risk listRH1 4AE: not on the flood risk listRH1 4AF: not on the flood risk listRH1 4AG: not on the flood risk listRH1 4AJ: not on the flood risk listRH1 4AL: not on the flood risk listRH1 4AN: not on the flood risk listRH1 4AP: not on the flood risk listRH1 4AQ: not on the flood risk listRH1 4AR: not on the flood risk listRH1 4AS: not on the flood risk listRH1 4AT: not on the flood risk listRH1 4AU: not on the flood risk listRH1 4AW: not on the flood risk listRH1 4AY: not on the flood risk listRH1 4AZ: not on the flood risk listRH1 4BA: not on the flood risk listRH1 4BB: not on the flood risk listRH1 4BD: not on the flood risk listRH1 4BE: not on the flood risk listRH1 4BF: not on the flood risk listRH1 4BG: not on the flood risk listRH1 4BH: not on the flood risk listRH1 4BJ: not on the flood risk listRH1 4BN: not on the flood risk listRH1 4BP: not on the flood risk listRH1 4BS: not on the flood risk listRH1 4BT: not on the flood risk listRH1 4BU: not on the flood risk listRH1 4BW: not on the flood risk listRH1 4BX: not on the flood risk listRH1 4BY: not on the flood risk listRH1 4BZ: not on the flood risk listRH1 4DA: not on the flood risk listRH1 4DB: not on the flood risk listRH1 4DD: not on the flood risk listRH1 4DE: not on the flood risk listRH1 4DF: not on the flood risk listRH1 4DG: not on the flood risk listRH1 4DH: not on the flood risk listRH1 4DJ: not on the flood risk listRH1 4DL: not on the flood risk listRH1 4DN: not on the flood risk listRH1 4DP: not on the flood risk listRH1 4DQ: not on the flood risk listRH1 4DR: not on the flood risk listRH1 4DU: not on the flood risk listRH1 4DX: not on the flood risk listRH1 4DY: not on the flood risk listRH1 4EA: not on the flood risk listRH1 4EB: not on the flood risk listRH1 4ED: not on the flood risk listRH1 4EF: not on the flood risk listRH1 4EH: not on the flood risk listRH1 4EJ: not on the flood risk listRH1 4EL: not on the flood risk listRH1 4EQ: not on the flood risk listRH1 4ER: not on the flood risk listRH1 4ES: not on the flood risk listRH1 4ET: not on the flood risk listRH1 4EU: not on the flood risk listRH1 4EW: not on the flood risk listRH1 4EZ: not on the flood risk listRH1 4FU: not on the flood risk listRH1 4GA: not on the flood risk listRH1 4GB: not on the flood risk listRH1 4GD: not on the flood risk listRH1 4GW: not on the flood risk listRH1 4HA: not on the flood risk listRH1 4HB: not on the flood risk listRH1 4HD: not on the flood risk listRH1 4HE: not on the flood risk listRH1 4HF: not on the flood risk listRH1 4HG: not on the flood risk listRH1 4HH: not on the flood risk listRH1 4HJ: not on the flood risk listRH1 4HN: not on the flood risk listRH1 4HP: not on the flood risk listRH1 4HQ: not on the flood risk listRH1 4HR: not on the flood risk listRH1 4HS: not on the flood risk listRH1 4HT: not on the flood risk listRH1 4HW: not on the flood risk listRH1 4HX: not on the flood risk listRH1 4HZ: not on the flood risk listRH1 4JA: not on the flood risk listRH1 4JB: not on the flood risk listRH1 4JE: not on the flood risk listRH1 4JF: not on the flood risk listRH1 4JG: not on the flood risk listRH1 4JH: not on the flood risk listRH1 4JJ: not on the flood risk listRH1 4JL: not on the flood risk listRH1 4JN: not on the flood risk listRH1 4JP: not on the flood risk listRH1 4JQ: not on the flood risk listRH1 4JR: not on the flood risk listRH1 4JU: not on the flood risk listRH1 4JX: not on the flood risk listRH1 4JY: not on the flood risk listRH1 4LA: not on the flood risk listRH1 4LB: not on the flood risk listRH1 4LD: not on the flood risk listRH1 4LF: not on the flood risk listRH1 4LG: not on the flood risk listRH1 4LH: not on the flood risk listRH1 4LJ: not on the flood risk listRH1 4LL: not on the flood risk listRH1 4LN: not on the flood risk listRH1 4LP: not on the flood risk listRH1 4LQ: not on the flood risk listRH1 4LR: not on the flood risk listRH1 4LS: not on the flood risk listRH1 4LT: not on the flood risk listRH1 4LU: not on the flood risk listRH1 4LW: not on the flood risk listRH1 4LX: not on the flood risk listRH1 4LY: not on the flood risk listRH1 4LZ: not on the flood risk listRH1 4NA: not on the flood risk listRH1 4NB: not on the flood risk listRH1 4ND: not on the flood risk listRH1 4NE: not on the flood risk listRH1 4NF: not on the flood risk listRH1 4NG: not on the flood risk listRH1 4NH: not on the flood risk listRH1 4NJ: not on the flood risk listRH1 4NL: not on the flood risk listRH1 4NP: not on the flood risk listRH1 4NS: not on the flood risk listRH1 4NU: not on the flood risk listRH1 4NW: not on the flood risk listRH1 4NX: not on the flood risk listRH1 4NY: not on the flood risk listRH1 4PA: not on the flood risk listRH1 4PB: not on the flood risk listRH1 4PD: not on the flood risk listRH1 4PE: not on the flood risk listRH1 4PG: not on the flood risk listRH1 4PH: not on the flood risk listRH1 4PJ: not on the flood risk listRH1 4PL: not on the flood risk listRH1 4PN: not on the flood risk listRH1 4PP: not on the flood risk listRH1 4PR: not on the flood risk listRH1 4PS: not on the flood risk listRH1 4PT: not on the flood risk listRH1 4PU: not on the flood risk listRH1 4PX: not on the flood risk listRH1 4QA: not on the flood risk listRH1 4QB: not on the flood risk listRH1 4QD: not on the flood risk listRH1 4QE: not on the flood risk listRH1 4QF: not on the flood risk listRH1 4QG: not on the flood risk listRH1 4QH: not on the flood risk listRH1 4QJ: not on the flood risk listRH1 4QL: not on the flood risk listRH1 4QN: not on the flood risk listRH1 4QP: not on the flood risk listRH1 4QR: not on the flood risk listRH1 4QS: not on the flood risk listRH1 4QT: not on the flood risk listRH1 4QU: not on the flood risk listRH1 4QW: not on the flood risk listRH1 4QX: not on the flood risk listRH1 4QY: not on the flood risk listRH1 4QZ: not on the flood risk listRH1 4RA: not on the flood risk listRH1 4RB: not on the flood risk listRH1 4RD: not on the flood risk listRH1 4RE: not on the flood risk listRH1 4RF: not on the flood risk listRH1 4RG: not on the flood risk listRH1 4YA: not on the flood risk listRH1 4EG: low flood risk at worstRH1 4JD: low flood risk at worstRH1 4AX: medium flood risk at worstRH1 4BL: medium flood risk at worst South MersthamBletchingley Map of every postcode in the RH1 4 sector, by flood risk Of the 181 postcodes in the RH1 4 sector that ONS places, 2 are at medium risk at worst, 2 are at low risk at worst and 177 are not on the Environment Agency's at-risk list. Places named: South Merstham, Bletchingley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. South MersthamBletchingley
  • A home or business at high risk: 0
  • At medium risk at worst: 2
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 177

Of the 181 postcodes in the RH1 4 sector that ONS places, 2 are at medium risk at worst, 2 are at low risk at worst and 177 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 medium risk at worst

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

RH1 4AX2 at medium riskRH1 4BL1 at medium risk

What do homes sell for in RH1 4?

Homes in RH1 4 sold for a typical £512,500 in the 12 months to August 2026, across 70 sales, down 2.4% on the 12 months before, HM Land Registry's figures show.

£512,500 typical price, the 12 months to August 2026
£525,000 12 months to August 2025
▼ down 2.4% on the 12 months before
  • Detached £675,000 15 sales
  • Semi-detached £505,000 30 sales
  • Terraced £440,000 21 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 RH1 4. 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 RH1 4

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.

RH1 4ADRH1 4AERH1 4AFRH1 4AGRH1 4AJRH1 4ALRH1 4ANRH1 4APRH1 4AQRH1 4ARRH1 4ASRH1 4ATRH1 4AURH1 4AWRH1 4AXRH1 4AYRH1 4AZRH1 4BARH1 4BBRH1 4BDRH1 4BERH1 4BFRH1 4BGRH1 4BHRH1 4BJRH1 4BLRH1 4BNRH1 4BPRH1 4BSRH1 4BTRH1 4BURH1 4BWRH1 4BXRH1 4BYRH1 4BZRH1 4DARH1 4DBRH1 4DDRH1 4DERH1 4DFRH1 4DGRH1 4DHRH1 4DJRH1 4DLRH1 4DNRH1 4DPRH1 4DQRH1 4DRRH1 4DURH1 4DXRH1 4DYRH1 4EARH1 4EBRH1 4EDRH1 4EFRH1 4EGRH1 4EHRH1 4EJRH1 4ELRH1 4EQRH1 4ERRH1 4ESRH1 4ETRH1 4EURH1 4EWRH1 4EZRH1 4FURH1 4GARH1 4GBRH1 4GDRH1 4GWRH1 4HARH1 4HBRH1 4HDRH1 4HERH1 4HFRH1 4HGRH1 4HHRH1 4HJRH1 4HNRH1 4HPRH1 4HQRH1 4HRRH1 4HSRH1 4HTRH1 4HWRH1 4HXRH1 4HZRH1 4JARH1 4JBRH1 4JDRH1 4JERH1 4JFRH1 4JGRH1 4JHRH1 4JJRH1 4JLRH1 4JNRH1 4JPRH1 4JQRH1 4JRRH1 4JSRH1 4JURH1 4JXRH1 4JYRH1 4LARH1 4LBRH1 4LDRH1 4LFRH1 4LGRH1 4LHRH1 4LJRH1 4LLRH1 4LNRH1 4LPRH1 4LQRH1 4LRRH1 4LSRH1 4LTRH1 4LURH1 4LWRH1 4LXRH1 4LYRH1 4LZRH1 4NARH1 4NBRH1 4NDRH1 4NERH1 4NFRH1 4NGRH1 4NHRH1 4NJRH1 4NLRH1 4NPRH1 4NSRH1 4NURH1 4NWRH1 4NXRH1 4NYRH1 4PARH1 4PBRH1 4PDRH1 4PERH1 4PGRH1 4PHRH1 4PJRH1 4PLRH1 4PNRH1 4PPRH1 4PRRH1 4PSRH1 4PTRH1 4PURH1 4PXRH1 4QARH1 4QBRH1 4QDRH1 4QERH1 4QFRH1 4QGRH1 4QHRH1 4QJRH1 4QLRH1 4QNRH1 4QPRH1 4QRRH1 4QSRH1 4QTRH1 4QURH1 4QWRH1 4QXRH1 4QYRH1 4QZRH1 4RARH1 4RBRH1 4RDRH1 4RERH1 4RFRH1 4RGRH1 4RHRH1 4YA

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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