HP3 0 postcode sector in the HP3 district

HP3 0 is a sector of the HP3 district: every postcode that starts HP3 0. It has 220 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 HP3 0 sector, by flood risk

Map of every postcode in the HP3 0 sector, by flood risk Of the 220 postcodes in the HP3 0 sector that ONS places, 220 are not on the Environment Agency's at-risk list. Places named: Hemel Hempstead, Bovingdon, Chipperfield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A41 HP3 0AA: not on the flood risk listHP3 0AB: not on the flood risk listHP3 0AD: not on the flood risk listHP3 0AE: not on the flood risk listHP3 0AG: not on the flood risk listHP3 0AH: not on the flood risk listHP3 0AJ: not on the flood risk listHP3 0AL: not on the flood risk listHP3 0AN: not on the flood risk listHP3 0AP: not on the flood risk listHP3 0AQ: not on the flood risk listHP3 0AR: not on the flood risk listHP3 0AS: not on the flood risk listHP3 0AT: not on the flood risk listHP3 0AU: not on the flood risk listHP3 0AW: not on the flood risk listHP3 0AX: not on the flood risk listHP3 0AY: not on the flood risk listHP3 0BA: not on the flood risk listHP3 0BB: not on the flood risk listHP3 0BD: not on the flood risk listHP3 0BE: not on the flood risk listHP3 0BF: not on the flood risk listHP3 0BG: not on the flood risk listHP3 0BJ: not on the flood risk listHP3 0BL: not on the flood risk listHP3 0BN: not on the flood risk listHP3 0BP: not on the flood risk listHP3 0BQ: not on the flood risk listHP3 0BS: not on the flood risk listHP3 0BT: not on the flood risk listHP3 0BU: not on the flood risk listHP3 0BW: not on the flood risk listHP3 0BX: not on the flood risk listHP3 0BY: not on the flood risk listHP3 0BZ: not on the flood risk listHP3 0DA: not on the flood risk listHP3 0DD: not on the flood risk listHP3 0DE: not on the flood risk listHP3 0DF: not on the flood risk listHP3 0DG: not on the flood risk listHP3 0DH: not on the flood risk listHP3 0DJ: not on the flood risk listHP3 0DL: not on the flood risk listHP3 0DN: not on the flood risk listHP3 0DP: not on the flood risk listHP3 0DR: not on the flood risk listHP3 0DS: not on the flood risk listHP3 0DT: not on the flood risk listHP3 0DU: not on the flood risk listHP3 0DW: not on the flood risk listHP3 0DX: not on the flood risk listHP3 0DY: not on the flood risk listHP3 0DZ: not on the flood risk listHP3 0EA: not on the flood risk listHP3 0EB: not on the flood risk listHP3 0ED: not on the flood risk listHP3 0EE: not on the flood risk listHP3 0EF: not on the flood risk listHP3 0EG: not on the flood risk listHP3 0EJ: not on the flood risk listHP3 0EN: not on the flood risk listHP3 0EP: not on the flood risk listHP3 0EQ: not on the flood risk listHP3 0ER: not on the flood risk listHP3 0ES: not on the flood risk listHP3 0ET: not on the flood risk listHP3 0EU: not on the flood risk listHP3 0EW: not on the flood risk listHP3 0EX: not on the flood risk listHP3 0EY: not on the flood risk listHP3 0FA: not on the flood risk listHP3 0FB: not on the flood risk listHP3 0FH: not on the flood risk listHP3 0FJ: not on the flood risk listHP3 0FP: not on the flood risk listHP3 0FQ: not on the flood risk listHP3 0FR: not on the flood risk listHP3 0FS: not on the flood risk listHP3 0FT: not on the flood risk listHP3 0FU: not on the flood risk listHP3 0FW: not on the flood risk listHP3 0FX: not on the flood risk listHP3 0FY: not on the flood risk listHP3 0FZ: not on the flood risk listHP3 0GB: not on the flood risk listHP3 0GD: not on the flood risk listHP3 0GE: not on the flood risk listHP3 0GF: not on the flood risk listHP3 0GG: not on the flood risk listHP3 0GH: not on the flood risk listHP3 0GJ: not on the flood risk listHP3 0GL: not on the flood risk listHP3 0GN: not on the flood risk listHP3 0GP: not on the flood risk listHP3 0GQ: not on the flood risk listHP3 0GR: not on the flood risk listHP3 0GS: not on the flood risk listHP3 0GU: not on the flood risk listHP3 0GW: not on the flood risk listHP3 0GX: not on the flood risk listHP3 0HB: not on the flood risk listHP3 0HD: not on the flood risk listHP3 0HE: not on the flood risk listHP3 0HF: not on the flood risk listHP3 0HJ: not on the flood risk listHP3 0HL: not on the flood risk listHP3 0HP: not on the flood risk listHP3 0HS: not on the flood risk listHP3 0HT: not on the flood risk listHP3 0HU: not on the flood risk listHP3 0HX: not on the flood risk listHP3 0HY: not on the flood risk listHP3 0HZ: not on the flood risk listHP3 0JA: not on the flood risk listHP3 0JB: not on the flood risk listHP3 0JD: not on the flood risk listHP3 0JE: not on the flood risk listHP3 0JF: not on the flood risk listHP3 0JJ: not on the flood risk listHP3 0JL: not on the flood risk listHP3 0JN: not on the flood risk listHP3 0JR: not on the flood risk listHP3 0JS: not on the flood risk listHP3 0JT: not on the flood risk listHP3 0JU: not on the flood risk listHP3 0JW: not on the flood risk listHP3 0JX: not on the flood risk listHP3 0JY: not on the flood risk listHP3 0JZ: not on the flood risk listHP3 0LA: not on the flood risk listHP3 0LB: not on the flood risk listHP3 0LD: not on the flood risk listHP3 0LE: not on the flood risk listHP3 0LF: not on the flood risk listHP3 0LG: not on the flood risk listHP3 0LH: not on the flood risk listHP3 0LJ: not on the flood risk listHP3 0LL: not on the flood risk listHP3 0LP: not on the flood risk listHP3 0LR: not on the flood risk listHP3 0LS: not on the flood risk listHP3 0LT: not on the flood risk listHP3 0LU: not on the flood risk listHP3 0LW: not on the flood risk listHP3 0LX: not on the flood risk listHP3 0LY: not on the flood risk listHP3 0LZ: not on the flood risk listHP3 0NA: not on the flood risk listHP3 0ND: not on the flood risk listHP3 0NE: not on the flood risk listHP3 0NF: not on the flood risk listHP3 0NG: not on the flood risk listHP3 0NH: not on the flood risk listHP3 0NJ: not on the flood risk listHP3 0NL: not on the flood risk listHP3 0NN: not on the flood risk listHP3 0NP: not on the flood risk listHP3 0NQ: not on the flood risk listHP3 0NR: not on the flood risk listHP3 0NW: not on the flood risk listHP3 0NX: not on the flood risk listHP3 0NZ: not on the flood risk listHP3 0PA: not on the flood risk listHP3 0PD: not on the flood risk listHP3 0PE: not on the flood risk listHP3 0PF: not on the flood risk listHP3 0PG: not on the flood risk listHP3 0PH: not on the flood risk listHP3 0PJ: not on the flood risk listHP3 0PL: not on the flood risk listHP3 0PP: not on the flood risk listHP3 0PQ: not on the flood risk listHP3 0PR: not on the flood risk listHP3 0PT: not on the flood risk listHP3 0PU: not on the flood risk listHP3 0PW: not on the flood risk listHP3 0PX: not on the flood risk listHP3 0PY: not on the flood risk listHP3 0PZ: not on the flood risk listHP3 0QA: not on the flood risk listHP3 0QB: not on the flood risk listHP3 0QG: not on the flood risk listHP3 0QH: not on the flood risk listHP3 0QJ: not on the flood risk listHP3 0QL: not on the flood risk listHP3 0QN: not on the flood risk listHP3 0QP: not on the flood risk listHP3 0QQ: not on the flood risk listHP3 0QR: not on the flood risk listHP3 0QS: not on the flood risk listHP3 0QT: not on the flood risk listHP3 0QU: not on the flood risk listHP3 0QW: not on the flood risk listHP3 0RB: not on the flood risk listHP3 0RE: not on the flood risk listHP3 0RF: not on the flood risk listHP3 0RL: not on the flood risk listHP3 0RU: not on the flood risk listHP3 0RX: not on the flood risk listHP3 0RY: not on the flood risk listHP3 0RZ: not on the flood risk listHP3 0SA: not on the flood risk listHP3 0SD: not on the flood risk listHP3 0TA: not on the flood risk listHP3 0TS: not on the flood risk listHP3 0TY: not on the flood risk listHP3 0UB: not on the flood risk listHP3 0UD: not on the flood risk listHP3 0UL: not on the flood risk listHP3 0XA: not on the flood risk list Hemel HempsteadBovingdonChipperfield Map of every postcode in the HP3 0 sector, by flood risk Of the 220 postcodes in the HP3 0 sector that ONS places, 220 are not on the Environment Agency's at-risk list. Places named: Hemel Hempstead, Bovingdon, Chipperfield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A41A4251 Hemel HempsteadBovingdonChipperfield
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 220

Of the 220 postcodes in the HP3 0 sector that ONS places, 220 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 HP3 0?

Homes in HP3 0 sold for a typical £560,000 in the 12 months to August 2026, across 86 sales, down 4.3% on the 12 months before, HM Land Registry's figures show.

£560,000 typical price, the 12 months to August 2026
£585,000 12 months to August 2025
▼ down 4.3% on the 12 months before
  • Detached £967,500 36 sales
  • Semi-detached £527,500 27 sales
  • Terraced £476,250 14 sales
  • Flat or maisonette £305,000 9 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 HP3 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 HP3 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.

HP3 0AAHP3 0ABHP3 0ADHP3 0AEHP3 0AFHP3 0AGHP3 0AHHP3 0AJHP3 0ALHP3 0ANHP3 0APHP3 0AQHP3 0ARHP3 0ASHP3 0ATHP3 0AUHP3 0AWHP3 0AXHP3 0AYHP3 0BAHP3 0BBHP3 0BDHP3 0BEHP3 0BFHP3 0BGHP3 0BJHP3 0BLHP3 0BNHP3 0BPHP3 0BQHP3 0BSHP3 0BTHP3 0BUHP3 0BWHP3 0BXHP3 0BYHP3 0BZHP3 0DAHP3 0DDHP3 0DEHP3 0DFHP3 0DGHP3 0DHHP3 0DJHP3 0DLHP3 0DNHP3 0DPHP3 0DRHP3 0DSHP3 0DTHP3 0DUHP3 0DWHP3 0DXHP3 0DYHP3 0DZHP3 0EAHP3 0EBHP3 0EDHP3 0EEHP3 0EFHP3 0EGHP3 0EJHP3 0ENHP3 0EPHP3 0EQHP3 0ERHP3 0ESHP3 0ETHP3 0EUHP3 0EWHP3 0EXHP3 0EYHP3 0EZHP3 0FAHP3 0FBHP3 0FHHP3 0FJHP3 0FNHP3 0FPHP3 0FQHP3 0FRHP3 0FSHP3 0FTHP3 0FUHP3 0FWHP3 0FXHP3 0FYHP3 0FZHP3 0GAHP3 0GBHP3 0GDHP3 0GEHP3 0GFHP3 0GGHP3 0GHHP3 0GJHP3 0GLHP3 0GNHP3 0GPHP3 0GQHP3 0GRHP3 0GSHP3 0GTHP3 0GUHP3 0GWHP3 0GXHP3 0GYHP3 0HBHP3 0HDHP3 0HEHP3 0HFHP3 0HGHP3 0HJHP3 0HLHP3 0HPHP3 0HSHP3 0HTHP3 0HUHP3 0HXHP3 0HYHP3 0HZHP3 0JAHP3 0JBHP3 0JDHP3 0JEHP3 0JFHP3 0JJHP3 0JLHP3 0JNHP3 0JRHP3 0JSHP3 0JTHP3 0JUHP3 0JWHP3 0JXHP3 0JYHP3 0JZHP3 0LAHP3 0LBHP3 0LDHP3 0LEHP3 0LFHP3 0LGHP3 0LHHP3 0LJHP3 0LLHP3 0LPHP3 0LRHP3 0LSHP3 0LTHP3 0LUHP3 0LWHP3 0LXHP3 0LYHP3 0LZHP3 0NAHP3 0NDHP3 0NEHP3 0NFHP3 0NGHP3 0NHHP3 0NJHP3 0NLHP3 0NNHP3 0NPHP3 0NQHP3 0NRHP3 0NWHP3 0NXHP3 0NZHP3 0PAHP3 0PDHP3 0PEHP3 0PFHP3 0PGHP3 0PHHP3 0PJHP3 0PLHP3 0PPHP3 0PQHP3 0PRHP3 0PTHP3 0PUHP3 0PWHP3 0PXHP3 0PYHP3 0PZHP3 0QAHP3 0QBHP3 0QGHP3 0QHHP3 0QJHP3 0QLHP3 0QNHP3 0QPHP3 0QQHP3 0QRHP3 0QSHP3 0QTHP3 0QUHP3 0QWHP3 0RBHP3 0REHP3 0RFHP3 0RLHP3 0RUHP3 0RXHP3 0RYHP3 0RZHP3 0SAHP3 0SDHP3 0SEHP3 0TAHP3 0TBHP3 0TSHP3 0TYHP3 0UBHP3 0UDHP3 0ULHP3 0XA

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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