DH99 postcode district: Durham and around

DH99 is a postcode district in England, with 3 postcodes in use in 1 sector. It has postcodes in Durham. Its council is County Durham.

Postcodes in use
3
Sectors
1
Council
County Durham
Places
Durham

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in DH99, by flood risk

Map of every postcode in DH99, by flood risk Of the 3 postcodes in DH99 that ONS places, 3 are not on the Environment Agency's at-risk list. Places named: Durham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A690 DH99 1NS: not on the flood risk listDH99 1WB: not on the flood risk list Durham Map of every postcode in DH99, by flood risk Of the 3 postcodes in DH99 that ONS places, 3 are not on the Environment Agency's at-risk list. Places named: Durham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A690A181 Durham
  • 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: 3

Of the 3 postcodes in DH99 that ONS places, 3 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.

The middle of its postcodes: latitude 54.7882, longitude -1.5494. Open this area on OpenStreetMap

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

Is DH99 at risk of flooding?

None of the 3 postcodes in DH99 is on the Environment Agency's list of postcodes with a home or business in an area at risk of flooding from rivers or the sea.

Homes and businesses in an area at risk of flooding from rivers or the sea, as the Environment Agency counts them, added up over the postcodes. It is for the land, not each building, and leaves out surface water, groundwater and sewers. Each postcode page has its own figures and its flood warning areas.

Source: Environment Agency, Risk of Flooding from Rivers and Sea (postcodes in areas at risk), published 6 July 2026, Open Government Licence v3.0. How we use it

Postcodes in DH99

Pick a sector, then a postcode. A sector is the district plus the next digit.

DH99 13 postcodes
UK postcode format explained

Places in DH99

Towns and villages with postcodes in DH99, and how many each has here.

Durham postcodes,3

Who covers DH99

How many of the district's postcodes in use fall under each council, constituency and police force area.

Councils

What council am I in?

Constituencies

  • City of Durham3

Police force areas

  • Durham3

Next to DH99

DH98 postcode district All DH districts Durham postcodes

"Next to" is by number: the district before DH99 in the DH area.

Check a postcode

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