DL12 postcode district: Barnard Castle and around

DL12 is a postcode district in England, with 726 postcodes in use in 4 sectors. It has postcodes in Barnard Castle. It is split between 3 councils: County Durham (723 postcodes), North Yorkshire (2) and Westmorland and Furness (1).

Postcodes in use
726
Sectors
4
Councils
3 councils
Places
Barnard Castle

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

Every postcode in DL12, by flood risk

Map of every postcode in DL12, by flood risk Of the 726 postcodes in DL12 that ONS places, 22 have a home or business at high risk, 2 are at medium risk at worst, 32 are at low risk at worst and 670 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 6 postcodes at high or medium risk. Places named: Barnard Castle, Cockfield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. A66 DL12 0AA: not on the flood risk listDL12 0AD: not on the flood risk listDL12 0AF: not on the flood risk listDL12 0AJ: not on the flood risk listDL12 0AL: not on the flood risk listDL12 0AN: not on the flood risk listDL12 0AP: not on the flood risk listDL12 0AR: not on the flood risk listDL12 0AT: not on the flood risk listDL12 0AU: not on the flood risk listDL12 0AY: not on the flood risk listDL12 0AZ: not on the flood risk listDL12 0BA: not on the flood risk listDL12 0BB: not on the flood risk listDL12 0BE: not on the flood risk listDL12 0BF: not on the flood risk listDL12 0BG: not on the flood risk listDL12 0DF: not on the flood risk listDL12 0DG: not on the flood risk listDL12 0DH: not on the flood risk listDL12 0DJ: not on the flood risk listDL12 0DL: not on the flood risk listDL12 0DN: not on the flood risk listDL12 0DP: not on the flood risk listDL12 0DQ: not on the flood risk listDL12 0DR: not on the flood risk listDL12 0DS: not on the flood risk listDL12 0DW: not on the flood risk listDL12 0EA: not on the flood risk listDL12 0EB: not on the flood risk listDL12 0ED: not on the flood risk listDL12 0EE: not on the flood risk listDL12 0EF: not on the flood risk listDL12 0EG: not on the flood risk listDL12 0EH: not on the flood risk listDL12 0EJ: not on the flood risk listDL12 0EL: not on the flood risk listDL12 0EP: not on the flood risk listDL12 0ET: not on the flood risk listDL12 0HA: not on the flood risk listDL12 0HB: not on the flood risk listDL12 0HD: not on the flood risk listDL12 0HH: not on the flood risk listDL12 0HJ: not on the flood risk listDL12 0HL: not on the flood risk listDL12 0HQ: not on the flood risk listDL12 0JA: not on the flood risk listDL12 0JB: not on the flood risk listDL12 0JD: not on the flood risk listDL12 0JH: not on the flood risk listDL12 0JN: not on the flood risk listDL12 0JR: not on the flood risk listDL12 0JX: not on the flood risk listDL12 0LD: not on the flood risk listDL12 0LE: not on the flood risk listDL12 0LP: not on the flood risk listDL12 0LR: not on the flood risk listDL12 0LS: not on the flood risk listDL12 0LT: not on the flood risk listDL12 0LU: not on the flood risk listDL12 0LW: not on the flood risk listDL12 0LZ: not on the flood risk listDL12 0NF: not on the flood risk listDL12 0NH: not on the flood risk listDL12 0NL: not on the flood risk listDL12 0NP: not on the flood risk listDL12 0NQ: not on the flood risk listDL12 0NS: not on the flood risk listDL12 0NT: not on the flood risk listDL12 0NU: not on the flood risk listDL12 0NX: not on the flood risk listDL12 0PA: not on the flood risk listDL12 0PG: not on the flood risk listDL12 0PL: not on the flood risk listDL12 0PP: not on the flood risk listDL12 0PR: not on the flood risk listDL12 0PS: not on the flood risk listDL12 0QE: not on the flood risk listDL12 0QP: not on the flood risk listDL12 0QR: not on the flood risk listDL12 0QS: not on the flood risk listDL12 0QT: not on the flood risk listDL12 0QU: not on the flood risk listDL12 0QW: not on the flood risk listDL12 0QX: not on the flood risk listDL12 0QY: not on the flood risk listDL12 0RD: not on the flood risk listDL12 0RN: not on the flood risk listDL12 0RP: not on the flood risk listDL12 0RR: not on the flood risk listDL12 0RS: not on the flood risk listDL12 0RT: not on the flood risk listDL12 0RU: not on the flood risk listDL12 0RW: not on the flood risk listDL12 0RY: not on the flood risk listDL12 0RZ: not on the flood risk listDL12 0SA: not on the flood risk listDL12 0TF: not on the flood risk listDL12 0TZ: not on the flood risk listDL12 0UB: not on the flood risk listDL12 0UD: not on the flood risk listDL12 0UE: not on the flood risk listDL12 0UF: not on the flood risk listDL12 0UG: not on the flood risk listDL12 0UH: not on the flood risk listDL12 0UQ: not on the flood risk listDL12 0UU: not on the flood risk listDL12 0UX: not on the flood risk listDL12 0UY: not on the flood risk listDL12 0XA: not on the flood risk listDL12 0XB: not on the flood risk listDL12 0XG: not on the flood risk listDL12 0XJ: not on the flood risk listDL12 0XN: not on the flood risk listDL12 0XP: not on the flood risk listDL12 0XU: not on the flood risk listDL12 0XX: not on the flood risk listDL12 0XY: not on the flood risk listDL12 0YA: not on the flood risk listDL12 0YB: not on the flood risk listDL12 2BZ: not on the flood risk listDL12 8AA: not on the flood risk listDL12 8AE: not on the flood risk listDL12 8AF: not on the flood risk listDL12 8AL: not on the flood risk listDL12 8AR: not on the flood risk listDL12 8AY: not on the flood risk listDL12 8AZ: not on the flood risk listDL12 8BB: not on the flood risk listDL12 8BD: not on the flood risk listDL12 8BF: not on the flood risk listDL12 8DB: not on the flood risk listDL12 8DJ: not on the flood risk listDL12 8DS: not on the flood risk listDL12 8ED: not on the flood risk listDL12 8ES: not on the flood risk listDL12 8FF: not on the flood risk listDL12 8FG: not on the flood risk listDL12 8FH: not on the flood risk listDL12 8FJ: not on the flood risk listDL12 8GY: not on the flood risk listDL12 8HB: not on the flood risk listDL12 8HJ: not on the flood risk listDL12 8HN: not on the flood risk listDL12 8JR: not on the flood risk listDL12 8JY: not on the flood risk listDL12 8LN: not on the flood risk listDL12 8NJ: not on the flood risk listDL12 8NQ: not on the flood risk listDL12 8NZ: not on the flood risk listDL12 8QH: not on the flood risk listDL12 8QJ: not on the flood risk listDL12 8QP: not on the flood risk listDL12 8QR: not on the flood risk listDL12 8QS: not on the flood risk listDL12 8QT: not on the flood risk listDL12 8QU: not on the flood risk listDL12 8QX: not on the flood risk listDL12 8QY: not on the flood risk listDL12 8QZ: not on the flood risk listDL12 8RA: not on the flood risk listDL12 8RB: not on the flood risk listDL12 8RD: not on the flood risk listDL12 8RG: not on the flood risk listDL12 8RL: not on the flood risk listDL12 8RQ: not on the flood risk listDL12 8RR: not on the flood risk listDL12 8RS: not on the flood risk listDL12 8RT: not on the flood risk listDL12 8RU: not on the flood risk listDL12 8RX: not on the flood risk listDL12 8RY: not on the flood risk listDL12 8RZ: not on the flood risk listDL12 8SA: not on the flood risk listDL12 8SB: not on the flood risk listDL12 8SE: not on the flood risk listDL12 8SF: not on the flood risk listDL12 8SG: not on the flood risk listDL12 8SH: not on the flood risk listDL12 8SJ: not on the flood risk listDL12 8SL: not on the flood risk listDL12 8SN: not on the flood risk listDL12 8SP: not on the flood risk listDL12 8SR: not on the flood risk listDL12 8SW: not on the flood risk listDL12 8SX: not on the flood risk listDL12 8TA: not on the flood risk listDL12 8TB: not on the flood risk listDL12 8TL: not on the flood risk listDL12 8TT: not on the flood risk listDL12 8TY: not on the flood risk listDL12 8TZ: not on the flood risk listDL12 8UA: not on the flood risk listDL12 8UB: not on the flood risk listDL12 8UD: not on the flood risk listDL12 8UE: not on the flood risk listDL12 8UF: not on the flood risk listDL12 8UH: not on the flood risk listDL12 8UL: not on the flood risk listDL12 8UP: not on the flood risk listDL12 8UR: not on the flood risk listDL12 8UT: not on the flood risk listDL12 8UU: not on the flood risk listDL12 8UX: not on the flood risk listDL12 8UY: not on the flood risk listDL12 8XB: not on the flood risk listDL12 8XF: not on the flood risk listDL12 9AB: not on the flood risk listDL12 9AF: not on the flood risk listDL12 9AG: not on the flood risk listDL12 9AH: not on the flood risk listDL12 9AJ: not on the flood risk listDL12 9AL: not on the flood risk listDL12 9BD: not on the flood risk listDL12 9BX: not on the flood risk listDL12 9DA: not on the flood risk listDL12 9DD: not on the flood risk listDL12 9DE: not on the flood risk listDL12 9DF: not on the flood risk listDL12 9DG: not on the flood risk listDL12 9DH: not on the flood risk listDL12 9DJ: not on the flood risk listDL12 9DL: not on the flood risk listDL12 9DN: not on the flood risk listDL12 9DP: not on the flood risk listDL12 9DQ: not on the flood risk listDL12 9DZ: not on the flood risk listDL12 9EA: not on the flood risk listDL12 9ED: not on the flood risk listDL12 9EE: not on the flood risk listDL12 9EG: not on the flood risk listDL12 9EJ: not on the flood risk listDL12 9EL: not on the flood risk listDL12 9ER: not on the flood risk listDL12 9ES: not on the flood risk listDL12 9ET: not on the flood risk listDL12 9EU: not on the flood risk listDL12 9EW: not on the flood risk listDL12 9EX: not on the flood risk listDL12 9EY: not on the flood risk listDL12 9EZ: not on the flood risk listDL12 9HA: not on the flood risk listDL12 9HB: not on the flood risk listDL12 9HR: not on the flood risk listDL12 9HZ: not on the flood risk listDL12 9JB: not on the flood risk listDL12 9JE: not on the flood risk listDL12 9JF: not on the flood risk listDL12 9JG: not on the flood risk listDL12 9JH: not on the flood risk listDL12 9JJ: not on the flood risk listDL12 9JL: not on the flood risk listDL12 9JN: not on the flood risk listDL12 9JP: not on the flood risk listDL12 9JQ: not on the flood risk listDL12 9JR: not on the flood risk listDL12 9JS: not on the flood risk listDL12 9JW: not on the flood risk listDL12 9LD: not on the flood risk listDL12 9LR: not on the flood risk listDL12 9LT: not on the flood risk listDL12 9LU: not on the flood risk listDL12 9LY: not on the flood risk listDL12 9LZ: not on the flood risk listDL12 9NA: not on the flood risk listDL12 9NB: not on the flood risk listDL12 9NR: not on the flood risk listDL12 9PG: not on the flood risk listDL12 9PH: not on the flood risk listDL12 9PN: not on the flood risk listDL12 9PQ: not on the flood risk listDL12 9PR: not on the flood risk listDL12 9PZ: not on the flood risk listDL12 9QL: not on the flood risk listDL12 9QP: not on the flood risk listDL12 9QR: not on the flood risk listDL12 9QS: not on the flood risk listDL12 9RA: not on the flood risk listDL12 9RB: not on the flood risk listDL12 9RD: not on the flood risk listDL12 9RE: not on the flood risk listDL12 9RF: not on the flood risk listDL12 9RG: not on the flood risk listDL12 9RR: not on the flood risk listDL12 9RS: not on the flood risk listDL12 9RT: not on the flood risk listDL12 9RU: not on the flood risk listDL12 9RX: not on the flood risk listDL12 9RZ: not on the flood risk listDL12 9SA: not on the flood risk listDL12 9SD: not on the flood risk listDL12 9SF: not on the flood risk listDL12 9SG: not on the flood risk listDL12 9SH: not on the flood risk listDL12 9SJ: not on the flood risk listDL12 9SL: not on the flood risk listDL12 9SN: not on the flood risk listDL12 9SP: not on the flood risk listDL12 9SR: not on the flood risk listDL12 9ST: not on the flood risk listDL12 9SU: not on the flood risk listDL12 9SW: not on the flood risk listDL12 9SX: not on the flood risk listDL12 9SY: not on the flood risk listDL12 9SZ: not on the flood risk listDL12 9TA: not on the flood risk listDL12 9TJ: not on the flood risk listDL12 9TL: not on the flood risk listDL12 9TN: not on the flood risk listDL12 9TP: not on the flood risk listDL12 9TT: not on the flood risk listDL12 9TU: not on the flood risk listDL12 9TX: not on the flood risk listDL12 9TY: not on the flood risk listDL12 9TZ: not on the flood risk listDL12 9UA: not on the flood risk listDL12 9UB: not on the flood risk listDL12 9UH: not on the flood risk listDL12 9UJ: not on the flood risk listDL12 9UL: not on the flood risk listDL12 9UN: not on the flood risk listDL12 9UQ: not on the flood risk listDL12 9UR: not on the flood risk listDL12 9UT: not on the flood risk listDL12 9UW: not on the flood risk listDL12 0AX: low flood risk at worstDL12 0EQ: low flood risk at worstDL12 0HE: low flood risk at worstDL12 0HF: low flood risk at worstDL12 0HT: low flood risk at worstDL12 0HX: low flood risk at worstDL12 0PJ: low flood risk at worstDL12 0NR: low flood risk at worstDL12 0PN: low flood risk at worstDL12 0TN: low flood risk at worstDL12 0TJ: low flood risk at worstDL12 0TL: low flood risk at worstDL12 0UJ: low flood risk at worstDL12 0UZ: low flood risk at worstDL12 0XE: low flood risk at worstDL12 0XZ: low flood risk at worstDL12 8RF: low flood risk at worstDL12 9BG: low flood risk at worstDL12 9BP: low flood risk at worstDL12 9BW: low flood risk at worstDL12 9DS: low flood risk at worstDL12 9EQ: low flood risk at worstDL12 9QW: low flood risk at worstDL12 9QJ: low flood risk at worstDL12 9RH: low flood risk at worstDL12 9RY: low flood risk at worstDL12 9SQ: low flood risk at worstDL12 9TB: low flood risk at worstDL12 9TR: low flood risk at worstDL12 0BD: medium flood risk at worstDL12 0XQ: medium flood risk at worstDL12 0NJ: high flood riskDL12 0PB: high flood riskDL12 0PW: high flood riskDL12 0TX: high flood riskDL12 0XH: high flood riskDL12 8GP: high flood riskDL12 9BE: high flood riskDL12 8PE: high flood riskDL12 8RN: high flood riskDL12 8QD: high flood riskDL12 8QW: high flood riskDL12 8RP: high flood riskDL12 8SD: high flood riskDL12 9AT: high flood riskDL12 9QY: high flood riskDL12 9RL: high flood riskDL12 9SB: high flood riskDL12 9TS: high flood riskDL12 9UP: high flood riskDL12 9UU: high flood riskDL12 9UX: high flood risk Barnard CastleCockfield 6 postcodes at high or medium risk, outlined: this goes to DL12 9BN, the one with most homes and businesses at high risk6 postcodes at high or medium risk Map of every postcode in DL12, by flood risk Of the 726 postcodes in DL12 that ONS places, 22 have a home or business at high risk, 2 are at medium risk at worst, 32 are at low risk at worst and 670 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 6 postcodes at high or medium risk. Places named: Barnard Castle, Cockfield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. A66 Barnard CastleCockfield
  • A home or business at high risk: 22
  • At medium risk at worst: 2
  • At low risk at worst: 32
  • At very low risk only: 0
  • Not on the at-risk list: 670
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 726 postcodes in DL12 that ONS places, 22 have a home or business at high risk, 2 are at medium risk at worst, 32 are at low risk at worst and 670 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. A dashed outline shows where 5 or more lie within 210 metres of each other. It is not a boundary, and 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 54.5720, longitude -1.9849. 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

The postcodes at high risk

22 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

DL12 9BN5 at high riskDL12 8GP4 at high riskDL12 0PB3 at high riskDL12 0PW2 at high riskDL12 9TS2 at high riskDL12 8RN2 at high riskDL12 9BE2 at high riskDL12 9SB2 at high riskDL12 9UP2 at high riskDL12 9UU2 at high riskDL12 9QY1 at high riskDL12 8SD1 at high risk

Where the postcodes at high or medium risk lie together

  • 6 postcodes at high or medium risk, outlined on the map. DL12 9BN, is the one with most homes and businesses at high risk.

What broadband can you get in DL12?

Ofcom reports on 717 of the 726 postcodes in DL12. At 414 of them every home and business can get gigabit broadband, and at 30 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit414 of 717
Postcodes where every home can get superfast586 of 717
Postcodes where some cannot get decent broadband30 of 717

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

Is DL12 at risk of flooding?

56 of the 726 postcodes in DL12 have a home or business in an area at risk of flooding from rivers or the sea, the Environment Agency says. At those, it puts 58 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 56 of 726 postcodes High: 38Medium: 20Low: 107

High: 3.3% or more a year (1 in 30). Medium: 1% to 3.3% a year. Low: 0.1% to 1% a year. Very low: under 0.1% a year (1 in 1,000). Each band is the chance of flooding in any one year.

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

What do homes sell for in DL12?

Homes in DL12 sold for a typical £227,500 in the 12 months to August 2026, across 148 sales, down 14.6% on the 12 months before, HM Land Registry's figures show.

£227,500 typical price, the 12 months to August 2026
12 months to August 2025
£266,500
12 months to August 2026
£227,500

▼ down 14.6% on the 12 months before

Detached£355,000 41 sales
Semi-detached£225,000 48 sales
Terraced£180,000 48 sales
Flat or maisonette£119,000 11 sales

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

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 DL12

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

DL12 0220 postcodesDL12 21 postcodeDL12 8272 postcodesDL12 9233 postcodes
UK postcode format explained

Places in DL12

Towns and villages with postcodes in DL12, and how many each has here.

Barnard Castle postcodes,198

Who covers DL12

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

  • Bishop Auckland723
  • Richmond and Northallerton2
  • Westmorland and Lonsdale1

Police force areas

  • Durham723
  • North Yorkshire2
  • Cumbria1

Next to DL12

DL11 postcode district DL13 postcode district All DL districts Barnard Castle postcodes

"Next to" is by number: the districts before and after DL12 in the DL area.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.