HP16 9 postcode sector in the HP16 district

HP16 9 is a sector of the HP16 district: every postcode that starts HP16 9. It has 164 postcodes in use, 2 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 HP16 9 sector, by flood risk

Map of every postcode in the HP16 9 sector, by flood risk Of the 164 postcodes in the HP16 9 sector that ONS places, 1 are at medium risk at worst and 163 are not on the Environment Agency's at-risk list. Places named: Prestwood and Great Missenden. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. HP16 9AA: not on the flood risk listHP16 9AB: not on the flood risk listHP16 9AE: not on the flood risk listHP16 9AF: not on the flood risk listHP16 9AG: not on the flood risk listHP16 9AH: not on the flood risk listHP16 9AJ: not on the flood risk listHP16 9AL: not on the flood risk listHP16 9AN: not on the flood risk listHP16 9AP: not on the flood risk listHP16 9AQ: not on the flood risk listHP16 9AR: not on the flood risk listHP16 9AT: not on the flood risk listHP16 9AU: not on the flood risk listHP16 9AY: not on the flood risk listHP16 9AZ: not on the flood risk listHP16 9BA: not on the flood risk listHP16 9BB: not on the flood risk listHP16 9BG: not on the flood risk listHP16 9BH: not on the flood risk listHP16 9BL: not on the flood risk listHP16 9BP: not on the flood risk listHP16 9BS: not on the flood risk listHP16 9BT: not on the flood risk listHP16 9BW: not on the flood risk listHP16 9BX: not on the flood risk listHP16 9BY: not on the flood risk listHP16 9BZ: not on the flood risk listHP16 9DA: not on the flood risk listHP16 9DB: not on the flood risk listHP16 9DD: not on the flood risk listHP16 9DE: not on the flood risk listHP16 9DF: not on the flood risk listHP16 9DG: not on the flood risk listHP16 9DH: not on the flood risk listHP16 9DJ: not on the flood risk listHP16 9DL: not on the flood risk listHP16 9DN: not on the flood risk listHP16 9DP: not on the flood risk listHP16 9DQ: not on the flood risk listHP16 9DR: not on the flood risk listHP16 9DS: not on the flood risk listHP16 9DT: not on the flood risk listHP16 9DU: not on the flood risk listHP16 9DW: not on the flood risk listHP16 9DX: not on the flood risk listHP16 9DY: not on the flood risk listHP16 9DZ: not on the flood risk listHP16 9EA: not on the flood risk listHP16 9EB: not on the flood risk listHP16 9ED: not on the flood risk listHP16 9EF: not on the flood risk listHP16 9EG: not on the flood risk listHP16 9EH: not on the flood risk listHP16 9EJ: not on the flood risk listHP16 9EN: not on the flood risk listHP16 9EQ: not on the flood risk listHP16 9ER: not on the flood risk listHP16 9ES: not on the flood risk listHP16 9ET: not on the flood risk listHP16 9EU: not on the flood risk listHP16 9EW: not on the flood risk listHP16 9EX: not on the flood risk listHP16 9FA: not on the flood risk listHP16 9FB: not on the flood risk listHP16 9HD: not on the flood risk listHP16 9HG: not on the flood risk listHP16 9HH: not on the flood risk listHP16 9HJ: not on the flood risk listHP16 9HP: not on the flood risk listHP16 9HQ: not on the flood risk listHP16 9HR: not on the flood risk listHP16 9HS: not on the flood risk listHP16 9HT: not on the flood risk listHP16 9HU: not on the flood risk listHP16 9HX: not on the flood risk listHP16 9HZ: not on the flood risk listHP16 9JD: not on the flood risk listHP16 9JH: not on the flood risk listHP16 9JL: not on the flood risk listHP16 9JN: not on the flood risk listHP16 9JP: not on the flood risk listHP16 9JR: not on the flood risk listHP16 9JT: not on the flood risk listHP16 9JW: not on the flood risk listHP16 9JX: not on the flood risk listHP16 9LA: not on the flood risk listHP16 9LB: not on the flood risk listHP16 9LD: not on the flood risk listHP16 9LE: not on the flood risk listHP16 9LF: not on the flood risk listHP16 9LH: not on the flood risk listHP16 9LJ: not on the flood risk listHP16 9LL: not on the flood risk listHP16 9LN: not on the flood risk listHP16 9LQ: not on the flood risk listHP16 9LS: not on the flood risk listHP16 9LT: not on the flood risk listHP16 9LU: not on the flood risk listHP16 9LX: not on the flood risk listHP16 9LZ: not on the flood risk listHP16 9NA: not on the flood risk listHP16 9NB: not on the flood risk listHP16 9NE: not on the flood risk listHP16 9NF: not on the flood risk listHP16 9NG: not on the flood risk listHP16 9NH: not on the flood risk listHP16 9NJ: not on the flood risk listHP16 9NN: not on the flood risk listHP16 9NP: not on the flood risk listHP16 9NQ: not on the flood risk listHP16 9NR: not on the flood risk listHP16 9NT: not on the flood risk listHP16 9NU: not on the flood risk listHP16 9NW: not on the flood risk listHP16 9NX: not on the flood risk listHP16 9PA: not on the flood risk listHP16 9PD: not on the flood risk listHP16 9PE: not on the flood risk listHP16 9PF: not on the flood risk listHP16 9PH: not on the flood risk listHP16 9PL: not on the flood risk listHP16 9PN: not on the flood risk listHP16 9PP: not on the flood risk listHP16 9PR: not on the flood risk listHP16 9PS: not on the flood risk listHP16 9PT: not on the flood risk listHP16 9PW: not on the flood risk listHP16 9QD: not on the flood risk listHP16 9QE: not on the flood risk listHP16 9QF: not on the flood risk listHP16 9QG: not on the flood risk listHP16 9QH: not on the flood risk listHP16 9QJ: not on the flood risk listHP16 9QL: not on the flood risk listHP16 9QN: not on the flood risk listHP16 9QQ: not on the flood risk listHP16 9QU: not on the flood risk listHP16 9QW: not on the flood risk listHP16 9QX: not on the flood risk listHP16 9QY: not on the flood risk listHP16 9QZ: not on the flood risk listHP16 9RA: not on the flood risk listHP16 9RD: not on the flood risk listHP16 9RE: not on the flood risk listHP16 9RF: not on the flood risk listHP16 9RG: not on the flood risk listHP16 9RJ: not on the flood risk listHP16 9RL: not on the flood risk listHP16 9RN: not on the flood risk listHP16 9RQ: not on the flood risk listHP16 9SH: not on the flood risk listHP16 9WR: not on the flood risk listHP16 9AX: medium flood risk at worst Prestwood and Great Missenden Map of every postcode in the HP16 9 sector, by flood risk Of the 164 postcodes in the HP16 9 sector that ONS places, 1 are at medium risk at worst and 163 are not on the Environment Agency's at-risk list. Places named: Prestwood and Great Missenden. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A413 Prestwood and Great Missenden
  • A home or business at high risk: 0
  • At medium risk at worst: 1
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 163

Of the 164 postcodes in the HP16 9 sector that ONS places, 1 are at medium risk at worst and 163 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.

What do homes sell for in HP16 9?

Homes in HP16 9 sold for a typical £615,000 in the 12 months to August 2026, across 47 sales, down 18.8% on the 12 months before, HM Land Registry's figures show.

£615,000 typical price, the 12 months to August 2026
£757,500 12 months to August 2025
▼ down 18.8% on the 12 months before
  • Detached £977,500 25 sales
  • Semi-detached £525,000 13 sales
  • Terraced 4 sales, too few to price
  • Flat or maisonette £370,000 5 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 HP16 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 HP16 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.

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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