HU20 3 postcode sector in the HU20 district

HU20 3 is a sector of the HU20 district: every postcode that starts HU20 3. It has 34 postcodes in use, one of them a large-user postcode. 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 HU20 3 sector, by flood risk

Map of every postcode in the HU20 3 sector, by flood risk Of the 34 postcodes in the HU20 3 sector that ONS places, 34 are not on the Environment Agency's at-risk list. Places named: Cottingham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A164 HU20 3AB: not on the flood risk listHU20 3UA: not on the flood risk listHU20 3UJ: not on the flood risk listHU20 3UL: not on the flood risk listHU20 3UN: not on the flood risk listHU20 3UP: not on the flood risk listHU20 3UQ: not on the flood risk listHU20 3UR: not on the flood risk listHU20 3US: not on the flood risk listHU20 3UT: not on the flood risk listHU20 3UU: not on the flood risk listHU20 3UW: not on the flood risk listHU20 3UX: not on the flood risk listHU20 3UY: not on the flood risk listHU20 3UZ: not on the flood risk listHU20 3WW: not on the flood risk listHU20 3XA: not on the flood risk listHU20 3XB: not on the flood risk listHU20 3XD: not on the flood risk listHU20 3XE: not on the flood risk listHU20 3XF: not on the flood risk listHU20 3XG: not on the flood risk listHU20 3XH: not on the flood risk listHU20 3XJ: not on the flood risk listHU20 3XN: not on the flood risk listHU20 3XP: not on the flood risk listHU20 3XQ: not on the flood risk listHU20 3XR: not on the flood risk listHU20 3XS: not on the flood risk listHU20 3XT: not on the flood risk listHU20 3XU: not on the flood risk listHU20 3XW: not on the flood risk listHU20 3XX: not on the flood risk list Cottingham Map of every postcode in the HU20 3 sector, by flood risk Of the 34 postcodes in the HU20 3 sector that ONS places, 34 are not on the Environment Agency's at-risk list. Places named: Cottingham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A1079A164 Cottingham
  • 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: 34

Of the 34 postcodes in the HU20 3 sector that ONS places, 34 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 HU20 3?

Homes in HU20 3 sold for a typical £399,975 in the 12 months to August 2026, across 12 sales, HM Land Registry's figures show.

£399,975 typical price, the 12 months to August 2026
  • Detached £425,000 9 sales
  • Semi-detached 3 sales, too few to price

Standard sales of homes at market value at the postcodes that start HU20 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 HU20 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.

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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