HP5 3 postcode sector in the HP5 district

HP5 3 is a sector of the HP5 district: every postcode that starts HP5 3. It has 193 postcodes in use, 6 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 HP5 3 sector, by flood risk

Map of every postcode in the HP5 3 sector, by flood risk Of the 193 postcodes in the HP5 3 sector that ONS places, 3 have a home or business at high risk and 190 are not on the Environment Agency's at-risk list. Places named: Chesham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A41A416 HP5 3AA: not on the flood risk listHP5 3AD: not on the flood risk listHP5 3AE: not on the flood risk listHP5 3AG: not on the flood risk listHP5 3AH: not on the flood risk listHP5 3AJ: not on the flood risk listHP5 3AN: not on the flood risk listHP5 3AP: not on the flood risk listHP5 3AQ: not on the flood risk listHP5 3AR: not on the flood risk listHP5 3AS: not on the flood risk listHP5 3AT: not on the flood risk listHP5 3AU: not on the flood risk listHP5 3AW: not on the flood risk listHP5 3AX: not on the flood risk listHP5 3AY: not on the flood risk listHP5 3AZ: not on the flood risk listHP5 3BA: not on the flood risk listHP5 3BB: not on the flood risk listHP5 3BD: not on the flood risk listHP5 3BE: not on the flood risk listHP5 3BG: not on the flood risk listHP5 3BH: not on the flood risk listHP5 3BJ: not on the flood risk listHP5 3BL: not on the flood risk listHP5 3BN: not on the flood risk listHP5 3BP: not on the flood risk listHP5 3BQ: not on the flood risk listHP5 3BS: not on the flood risk listHP5 3BT: not on the flood risk listHP5 3BU: not on the flood risk listHP5 3BX: not on the flood risk listHP5 3BY: not on the flood risk listHP5 3BZ: not on the flood risk listHP5 3DA: not on the flood risk listHP5 3DB: not on the flood risk listHP5 3DD: not on the flood risk listHP5 3DE: not on the flood risk listHP5 3DF: not on the flood risk listHP5 3DH: not on the flood risk listHP5 3DJ: not on the flood risk listHP5 3DL: not on the flood risk listHP5 3DN: not on the flood risk listHP5 3DP: not on the flood risk listHP5 3DQ: not on the flood risk listHP5 3DR: not on the flood risk listHP5 3DW: not on the flood risk listHP5 3DY: not on the flood risk listHP5 3EA: not on the flood risk listHP5 3EE: not on the flood risk listHP5 3EF: not on the flood risk listHP5 3EH: not on the flood risk listHP5 3EJ: not on the flood risk listHP5 3EL: not on the flood risk listHP5 3EN: not on the flood risk listHP5 3EP: not on the flood risk listHP5 3EQ: not on the flood risk listHP5 3ER: not on the flood risk listHP5 3ES: not on the flood risk listHP5 3ET: not on the flood risk listHP5 3EZ: not on the flood risk listHP5 3FD: not on the flood risk listHP5 3FE: not on the flood risk listHP5 3FF: not on the flood risk listHP5 3FG: not on the flood risk listHP5 3FH: not on the flood risk listHP5 3FJ: not on the flood risk listHP5 3FL: not on the flood risk listHP5 3FN: not on the flood risk listHP5 3GA: not on the flood risk listHP5 3HA: not on the flood risk listHP5 3HB: not on the flood risk listHP5 3HD: not on the flood risk listHP5 3HF: not on the flood risk listHP5 3HG: not on the flood risk listHP5 3HH: not on the flood risk listHP5 3HJ: not on the flood risk listHP5 3HL: not on the flood risk listHP5 3HN: not on the flood risk listHP5 3HP: not on the flood risk listHP5 3HQ: not on the flood risk listHP5 3HR: not on the flood risk listHP5 3HT: not on the flood risk listHP5 3HW: not on the flood risk listHP5 3HX: not on the flood risk listHP5 3HZ: not on the flood risk listHP5 3JA: not on the flood risk listHP5 3JB: not on the flood risk listHP5 3JD: not on the flood risk listHP5 3JE: not on the flood risk listHP5 3JF: not on the flood risk listHP5 3JG: not on the flood risk listHP5 3JH: not on the flood risk listHP5 3JJ: not on the flood risk listHP5 3JL: not on the flood risk listHP5 3JN: not on the flood risk listHP5 3JP: not on the flood risk listHP5 3JQ: not on the flood risk listHP5 3JT: not on the flood risk listHP5 3JU: not on the flood risk listHP5 3JW: not on the flood risk listHP5 3JX: not on the flood risk listHP5 3JY: not on the flood risk listHP5 3LA: not on the flood risk listHP5 3LB: not on the flood risk listHP5 3LD: not on the flood risk listHP5 3LE: not on the flood risk listHP5 3LF: not on the flood risk listHP5 3LG: not on the flood risk listHP5 3LH: not on the flood risk listHP5 3LJ: not on the flood risk listHP5 3LL: not on the flood risk listHP5 3LN: not on the flood risk listHP5 3LP: not on the flood risk listHP5 3LQ: not on the flood risk listHP5 3LR: not on the flood risk listHP5 3LS: not on the flood risk listHP5 3LU: not on the flood risk listHP5 3LW: not on the flood risk listHP5 3LX: not on the flood risk listHP5 3LZ: not on the flood risk listHP5 3NA: not on the flood risk listHP5 3NB: not on the flood risk listHP5 3NE: not on the flood risk listHP5 3NF: not on the flood risk listHP5 3NH: not on the flood risk listHP5 3NJ: not on the flood risk listHP5 3NP: not on the flood risk listHP5 3NR: not on the flood risk listHP5 3NS: not on the flood risk listHP5 3NT: not on the flood risk listHP5 3NU: not on the flood risk listHP5 3NX: not on the flood risk listHP5 3NY: not on the flood risk listHP5 3NZ: not on the flood risk listHP5 3PA: not on the flood risk listHP5 3PD: not on the flood risk listHP5 3PE: not on the flood risk listHP5 3PF: not on the flood risk listHP5 3PH: not on the flood risk listHP5 3PJ: not on the flood risk listHP5 3PL: not on the flood risk listHP5 3PN: not on the flood risk listHP5 3PP: not on the flood risk listHP5 3PQ: not on the flood risk listHP5 3PR: not on the flood risk listHP5 3PS: not on the flood risk listHP5 3PT: not on the flood risk listHP5 3PU: not on the flood risk listHP5 3PW: not on the flood risk listHP5 3PX: not on the flood risk listHP5 3PY: not on the flood risk listHP5 3QE: not on the flood risk listHP5 3QF: not on the flood risk listHP5 3QG: not on the flood risk listHP5 3QJ: not on the flood risk listHP5 3QN: not on the flood risk listHP5 3QP: not on the flood risk listHP5 3QQ: not on the flood risk listHP5 3QR: not on the flood risk listHP5 3QS: not on the flood risk listHP5 3QT: not on the flood risk listHP5 3QU: not on the flood risk listHP5 3QW: not on the flood risk listHP5 3QX: not on the flood risk listHP5 3QY: not on the flood risk listHP5 3QZ: not on the flood risk listHP5 3RA: not on the flood risk listHP5 3RB: not on the flood risk listHP5 3RD: not on the flood risk listHP5 3RE: not on the flood risk listHP5 3RH: not on the flood risk listHP5 3RJ: not on the flood risk listHP5 3RL: not on the flood risk listHP5 3RN: not on the flood risk listHP5 3RP: not on the flood risk listHP5 3RR: not on the flood risk listHP5 3RS: not on the flood risk listHP5 3RW: not on the flood risk listHP5 3SA: not on the flood risk listHP5 3SZ: not on the flood risk listHP5 3XT: not on the flood risk listHP5 3DX: high flood riskHP5 3DZ: high flood riskHP5 3ED: high flood risk Chesham Map of every postcode in the HP5 3 sector, by flood risk Of the 193 postcodes in the HP5 3 sector that ONS places, 3 have a home or business at high risk and 190 are not on the Environment Agency's at-risk list. Places named: Chesham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A416A41 Chesham
  • A home or business at high risk: 3
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 190

Of the 193 postcodes in the HP5 3 sector that ONS places, 3 have a home or business at high risk and 190 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.

HP5 3DX33 at high riskHP5 3DZ11 at high riskHP5 3ED4 at high risk

What do homes sell for in HP5 3?

Homes in HP5 3 sold for a typical £485,000 in the 12 months to August 2026, across 75 sales, up 3.2% on the 12 months before, HM Land Registry's figures show.

£485,000 typical price, the 12 months to August 2026
£470,000 12 months to August 2025
▲ up 3.2% on the 12 months before
  • Detached £860,000 17 sales
  • Semi-detached £500,000 23 sales
  • Terraced £437,500 24 sales
  • Flat or maisonette £257,500 11 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 HP5 3. 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 HP5 3

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.

HP5 3AAHP5 3ABHP5 3ADHP5 3AEHP5 3AFHP5 3AGHP5 3AHHP5 3AJHP5 3ANHP5 3APHP5 3AQHP5 3ARHP5 3ASHP5 3ATHP5 3AUHP5 3AWHP5 3AXHP5 3AYHP5 3AZHP5 3BAHP5 3BBHP5 3BDHP5 3BEHP5 3BGHP5 3BHHP5 3BJHP5 3BLHP5 3BNHP5 3BPHP5 3BQHP5 3BSHP5 3BTHP5 3BUHP5 3BWHP5 3BXHP5 3BYHP5 3BZHP5 3DAHP5 3DBHP5 3DDHP5 3DEHP5 3DFHP5 3DHHP5 3DJHP5 3DLHP5 3DNHP5 3DPHP5 3DQHP5 3DRHP5 3DWHP5 3DXHP5 3DYHP5 3DZHP5 3EAHP5 3EDHP5 3EEHP5 3EFHP5 3EGHP5 3EHHP5 3EJHP5 3ELHP5 3ENHP5 3EPHP5 3EQHP5 3ERHP5 3ESHP5 3ETHP5 3EZHP5 3FDHP5 3FEHP5 3FFHP5 3FGHP5 3FHHP5 3FJHP5 3FLHP5 3FNHP5 3GAHP5 3GBHP5 3HAHP5 3HBHP5 3HDHP5 3HFHP5 3HGHP5 3HHHP5 3HJHP5 3HLHP5 3HNHP5 3HPHP5 3HQHP5 3HRHP5 3HTHP5 3HWHP5 3HXHP5 3HYHP5 3HZHP5 3JAHP5 3JBHP5 3JDHP5 3JEHP5 3JFHP5 3JGHP5 3JHHP5 3JJHP5 3JLHP5 3JNHP5 3JPHP5 3JQHP5 3JTHP5 3JUHP5 3JWHP5 3JXHP5 3JYHP5 3LAHP5 3LBHP5 3LDHP5 3LEHP5 3LFHP5 3LGHP5 3LHHP5 3LJHP5 3LLHP5 3LNHP5 3LPHP5 3LQHP5 3LRHP5 3LSHP5 3LUHP5 3LWHP5 3LXHP5 3LZHP5 3NAHP5 3NBHP5 3NEHP5 3NFHP5 3NHHP5 3NJHP5 3NPHP5 3NQHP5 3NRHP5 3NSHP5 3NTHP5 3NUHP5 3NXHP5 3NYHP5 3NZHP5 3PAHP5 3PDHP5 3PEHP5 3PFHP5 3PHHP5 3PJHP5 3PLHP5 3PNHP5 3PPHP5 3PQHP5 3PRHP5 3PSHP5 3PTHP5 3PUHP5 3PWHP5 3PXHP5 3PYHP5 3QEHP5 3QFHP5 3QGHP5 3QJHP5 3QNHP5 3QPHP5 3QQHP5 3QRHP5 3QSHP5 3QTHP5 3QUHP5 3QWHP5 3QXHP5 3QYHP5 3QZHP5 3RAHP5 3RBHP5 3RDHP5 3REHP5 3RHHP5 3RJHP5 3RLHP5 3RNHP5 3RPHP5 3RRHP5 3RSHP5 3RWHP5 3SAHP5 3SZHP5 3XTHP5 3YD

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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