HP21 7 postcode sector in the HP21 district

HP21 7 is a sector of the HP21 district: every postcode that starts HP21 7. It has 225 postcodes in use, 20 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 HP21 7 sector, by flood risk

Map of every postcode in the HP21 7 sector, by flood risk Of the 225 postcodes in the HP21 7 sector that ONS places, 2 have a home or business at high risk, 1 are at medium risk at worst, 6 are at low risk at worst, 7 are at very low risk only and 209 are not on the Environment Agency's at-risk list. Places named: Aylesbury South East, Aylesbury East. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A41 HP21 7AA: not on the flood risk listHP21 7AB: not on the flood risk listHP21 7AD: not on the flood risk listHP21 7AE: not on the flood risk listHP21 7AG: not on the flood risk listHP21 7AH: not on the flood risk listHP21 7AJ: not on the flood risk listHP21 7AL: not on the flood risk listHP21 7AN: not on the flood risk listHP21 7AP: not on the flood risk listHP21 7AR: not on the flood risk listHP21 7AS: not on the flood risk listHP21 7AW: not on the flood risk listHP21 7AX: not on the flood risk listHP21 7BA: not on the flood risk listHP21 7BD: not on the flood risk listHP21 7BE: not on the flood risk listHP21 7BG: not on the flood risk listHP21 7BQ: not on the flood risk listHP21 7BY: not on the flood risk listHP21 7BZ: not on the flood risk listHP21 7DR: not on the flood risk listHP21 7DX: not on the flood risk listHP21 7DY: not on the flood risk listHP21 7DZ: not on the flood risk listHP21 7EA: not on the flood risk listHP21 7EB: not on the flood risk listHP21 7ED: not on the flood risk listHP21 7EE: not on the flood risk listHP21 7EF: not on the flood risk listHP21 7EG: not on the flood risk listHP21 7EH: not on the flood risk listHP21 7EJ: not on the flood risk listHP21 7EL: not on the flood risk listHP21 7EN: not on the flood risk listHP21 7EP: not on the flood risk listHP21 7EQ: not on the flood risk listHP21 7ER: not on the flood risk listHP21 7ES: not on the flood risk listHP21 7ET: not on the flood risk listHP21 7EU: not on the flood risk listHP21 7EW: not on the flood risk listHP21 7EX: not on the flood risk listHP21 7EY: not on the flood risk listHP21 7EZ: not on the flood risk listHP21 7FA: not on the flood risk listHP21 7FB: not on the flood risk listHP21 7FD: not on the flood risk listHP21 7FE: not on the flood risk listHP21 7FF: not on the flood risk listHP21 7FG: not on the flood risk listHP21 7FH: not on the flood risk listHP21 7FJ: not on the flood risk listHP21 7FL: not on the flood risk listHP21 7FQ: not on the flood risk listHP21 7FT: not on the flood risk listHP21 7FU: not on the flood risk listHP21 7FX: not on the flood risk listHP21 7FY: not on the flood risk listHP21 7FZ: not on the flood risk listHP21 7GB: not on the flood risk listHP21 7HA: not on the flood risk listHP21 7HB: not on the flood risk listHP21 7HD: not on the flood risk listHP21 7HE: not on the flood risk listHP21 7HF: not on the flood risk listHP21 7HG: not on the flood risk listHP21 7HH: not on the flood risk listHP21 7HJ: not on the flood risk listHP21 7HL: not on the flood risk listHP21 7HN: not on the flood risk listHP21 7HP: not on the flood risk listHP21 7HQ: not on the flood risk listHP21 7HR: not on the flood risk listHP21 7HS: not on the flood risk listHP21 7HT: not on the flood risk listHP21 7HU: not on the flood risk listHP21 7HW: not on the flood risk listHP21 7HX: not on the flood risk listHP21 7HY: not on the flood risk listHP21 7HZ: not on the flood risk listHP21 7JA: not on the flood risk listHP21 7JB: not on the flood risk listHP21 7JD: not on the flood risk listHP21 7JE: not on the flood risk listHP21 7JF: not on the flood risk listHP21 7JG: not on the flood risk listHP21 7JH: not on the flood risk listHP21 7JJ: not on the flood risk listHP21 7JL: not on the flood risk listHP21 7JN: not on the flood risk listHP21 7JP: not on the flood risk listHP21 7JQ: not on the flood risk listHP21 7JR: not on the flood risk listHP21 7JS: not on the flood risk listHP21 7JT: not on the flood risk listHP21 7JU: not on the flood risk listHP21 7JW: not on the flood risk listHP21 7JX: not on the flood risk listHP21 7JY: not on the flood risk listHP21 7JZ: not on the flood risk listHP21 7LA: not on the flood risk listHP21 7LD: not on the flood risk listHP21 7LE: not on the flood risk listHP21 7LF: not on the flood risk listHP21 7LG: not on the flood risk listHP21 7LH: not on the flood risk listHP21 7LJ: not on the flood risk listHP21 7LL: not on the flood risk listHP21 7LN: not on the flood risk listHP21 7LP: not on the flood risk listHP21 7LQ: not on the flood risk listHP21 7LR: not on the flood risk listHP21 7LS: not on the flood risk listHP21 7LT: not on the flood risk listHP21 7LU: not on the flood risk listHP21 7LW: not on the flood risk listHP21 7LZ: not on the flood risk listHP21 7NA: not on the flood risk listHP21 7NB: not on the flood risk listHP21 7ND: not on the flood risk listHP21 7NE: not on the flood risk listHP21 7NF: not on the flood risk listHP21 7NG: not on the flood risk listHP21 7NH: not on the flood risk listHP21 7NN: not on the flood risk listHP21 7NQ: not on the flood risk listHP21 7NR: not on the flood risk listHP21 7NS: not on the flood risk listHP21 7NT: not on the flood risk listHP21 7NU: not on the flood risk listHP21 7NX: not on the flood risk listHP21 7NY: not on the flood risk listHP21 7NZ: not on the flood risk listHP21 7PE: not on the flood risk listHP21 7PF: not on the flood risk listHP21 7PG: not on the flood risk listHP21 7PH: not on the flood risk listHP21 7PJ: not on the flood risk listHP21 7PL: not on the flood risk listHP21 7PN: not on the flood risk listHP21 7PP: not on the flood risk listHP21 7PQ: not on the flood risk listHP21 7PR: not on the flood risk listHP21 7PS: not on the flood risk listHP21 7PT: not on the flood risk listHP21 7PU: not on the flood risk listHP21 7PX: not on the flood risk listHP21 7PY: not on the flood risk listHP21 7PZ: not on the flood risk listHP21 7QA: not on the flood risk listHP21 7QP: not on the flood risk listHP21 7QQ: not on the flood risk listHP21 7QU: not on the flood risk listHP21 7QX: not on the flood risk listHP21 7QY: not on the flood risk listHP21 7RA: not on the flood risk listHP21 7RB: not on the flood risk listHP21 7RD: not on the flood risk listHP21 7RF: not on the flood risk listHP21 7RG: not on the flood risk listHP21 7RH: not on the flood risk listHP21 7RL: not on the flood risk listHP21 7RP: not on the flood risk listHP21 7RR: not on the flood risk listHP21 7RS: not on the flood risk listHP21 7RT: not on the flood risk listHP21 7RU: not on the flood risk listHP21 7RW: not on the flood risk listHP21 7RX: not on the flood risk listHP21 7RZ: not on the flood risk listHP21 7SG: not on the flood risk listHP21 7SL: not on the flood risk listHP21 7SN: not on the flood risk listHP21 7SR: not on the flood risk listHP21 7ST: not on the flood risk listHP21 7SW: not on the flood risk listHP21 7SX: not on the flood risk listHP21 7SZ: not on the flood risk listHP21 7TA: not on the flood risk listHP21 7TB: not on the flood risk listHP21 7TD: not on the flood risk listHP21 7TE: not on the flood risk listHP21 7TF: not on the flood risk listHP21 7TG: not on the flood risk listHP21 7TL: not on the flood risk listHP21 7TN: not on the flood risk listHP21 7TR: not on the flood risk listHP21 7TW: not on the flood risk listHP21 7UD: not on the flood risk listHP21 7UE: not on the flood risk listHP21 7UH: not on the flood risk listHP21 7UT: not on the flood risk listHP21 7UU: not on the flood risk listHP21 7UZ: not on the flood risk listHP21 7BB: very low flood risk onlyHP21 7GQ: very low flood risk onlyHP21 7QG: very low flood risk onlyHP21 7RE: very low flood risk onlyHP21 7RY: very low flood risk onlyHP21 7SD: very low flood risk onlyHP21 7AF: low flood risk at worstHP21 7FS: low flood risk at worstHP21 7RN: low flood risk at worstHP21 7SA: low flood risk at worstHP21 7SB: low flood risk at worstHP21 7SF: low flood risk at worstHP21 7AQ: medium flood risk at worstHP21 7SE: high flood riskHP21 7SH: high flood risk Aylesbury South EastAylesbury East Map of every postcode in the HP21 7 sector, by flood risk Of the 225 postcodes in the HP21 7 sector that ONS places, 2 have a home or business at high risk, 1 are at medium risk at worst, 6 are at low risk at worst, 7 are at very low risk only and 209 are not on the Environment Agency's at-risk list. Places named: Aylesbury South East, Aylesbury East. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Aylesbury South EastAylesbury East
  • A home or business at high risk: 2
  • At medium risk at worst: 1
  • At low risk at worst: 6
  • At very low risk only: 7
  • Not on the at-risk list: 209

Of the 225 postcodes in the HP21 7 sector that ONS places, 2 have a home or business at high risk, 1 are at medium risk at worst, 6 are at low risk at worst, 7 are at very low risk only and 209 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. Names in italics are council wards: we hold no town or village names here.

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.

HP21 7SH4 at high riskHP21 7SE1 at high risk

What do homes sell for in HP21 7?

Homes in HP21 7 sold for a typical £343,250 in the 12 months to August 2026, across 110 sales, down 9.7% on the 12 months before, HM Land Registry's figures show.

£343,250 typical price, the 12 months to August 2026
£380,000 12 months to August 2025
▼ down 9.7% on the 12 months before
  • Detached £580,000 18 sales
  • Semi-detached £450,000 35 sales
  • Terraced £315,000 28 sales
  • Flat or maisonette £163,000 29 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 HP21 7. 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 HP21 7

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.

HP21 7AAHP21 7ABHP21 7ADHP21 7AEHP21 7AFHP21 7AGHP21 7AHHP21 7AJHP21 7ALHP21 7ANHP21 7APHP21 7AQHP21 7ARHP21 7ASHP21 7AWHP21 7AXHP21 7BAHP21 7BBHP21 7BDHP21 7BEHP21 7BGHP21 7BQHP21 7BYHP21 7BZHP21 7DRHP21 7DXHP21 7DYHP21 7DZHP21 7EAHP21 7EBHP21 7EDHP21 7EEHP21 7EFHP21 7EGHP21 7EHHP21 7EJHP21 7ELHP21 7ENHP21 7EPHP21 7EQHP21 7ERHP21 7ESHP21 7ETHP21 7EUHP21 7EWHP21 7EXHP21 7EYHP21 7EZHP21 7FAHP21 7FBHP21 7FDHP21 7FEHP21 7FFHP21 7FGHP21 7FHHP21 7FJHP21 7FLHP21 7FQHP21 7FSHP21 7FTHP21 7FUHP21 7FXHP21 7FYHP21 7FZHP21 7GBHP21 7GDHP21 7GEHP21 7GFHP21 7GGHP21 7GLHP21 7GNHP21 7GPHP21 7GQHP21 7GRHP21 7GWHP21 7GYHP21 7HAHP21 7HBHP21 7HDHP21 7HEHP21 7HFHP21 7HGHP21 7HHHP21 7HJHP21 7HLHP21 7HNHP21 7HPHP21 7HQHP21 7HRHP21 7HSHP21 7HTHP21 7HUHP21 7HWHP21 7HXHP21 7HYHP21 7HZHP21 7JAHP21 7JBHP21 7JDHP21 7JEHP21 7JFHP21 7JGHP21 7JHHP21 7JJHP21 7JLHP21 7JNHP21 7JPHP21 7JQHP21 7JRHP21 7JSHP21 7JTHP21 7JUHP21 7JWHP21 7JXHP21 7JYHP21 7JZHP21 7LAHP21 7LDHP21 7LEHP21 7LFHP21 7LGHP21 7LHHP21 7LJHP21 7LLHP21 7LNHP21 7LPHP21 7LQHP21 7LRHP21 7LSHP21 7LTHP21 7LUHP21 7LWHP21 7LZHP21 7NAHP21 7NBHP21 7NDHP21 7NEHP21 7NFHP21 7NGHP21 7NHHP21 7NNHP21 7NQHP21 7NRHP21 7NSHP21 7NTHP21 7NUHP21 7NXHP21 7NYHP21 7NZHP21 7PEHP21 7PFHP21 7PGHP21 7PHHP21 7PJHP21 7PLHP21 7PNHP21 7PPHP21 7PQHP21 7PRHP21 7PSHP21 7PTHP21 7PUHP21 7PXHP21 7PYHP21 7PZHP21 7QAHP21 7QGHP21 7QPHP21 7QQHP21 7QUHP21 7QWHP21 7QXHP21 7QYHP21 7RAHP21 7RBHP21 7RDHP21 7REHP21 7RFHP21 7RGHP21 7RHHP21 7RLHP21 7RNHP21 7RPHP21 7RQHP21 7RRHP21 7RSHP21 7RTHP21 7RUHP21 7RWHP21 7RXHP21 7RYHP21 7RZHP21 7SAHP21 7SBHP21 7SDHP21 7SEHP21 7SFHP21 7SGHP21 7SHHP21 7SLHP21 7SNHP21 7SRHP21 7STHP21 7SWHP21 7SXHP21 7SZHP21 7TAHP21 7TBHP21 7TDHP21 7TEHP21 7TFHP21 7TGHP21 7TLHP21 7TNHP21 7TRHP21 7TWHP21 7UDHP21 7UEHP21 7UHHP21 7UTHP21 7UUHP21 7UZHP21 7YHHP21 7YUHP21 7YY

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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