DL9 postcode district: Catterick Garrison and around, North Yorkshire

DL9 is a postcode district in England, with 398 postcodes in use in 2 sectors. It has postcodes in Catterick Garrison. Its council is North Yorkshire.

Postcodes in use: 398
Sectors: 2
Council: North Yorkshire
Places: Catterick Garrison

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

Every postcode in DL9, and which are new since 2020

New since 2020: 15
In use before 2020: 383
Outline: where 5 or more new postcodes since 2020 lie together

Of the 398 postcodes in DL9 that ONS places, 15 are new since 2020 and 383 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. A dashed outline shows where 5 or more lie within 150 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 54.3756, longitude -1.7067. 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; when each came into use: the same directory; 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 5 newest postcodes

DL9 4FJMay 2026 DL9 4FGMarch 2026 DL9 4FHDecember 2025 DL9 4FFAugust 2025 DL9 4FBJuly 2025

3 further out, not drawn

These postcodes lie well apart from the rest, so the map is drawn without them to show the rest closer; they are in every count.

DL9 3NH DL9 3NJ DL9 3NL

Where the new postcodes lie together

10 new postcodes since 2020, outlined on the map. DL9 4FJ, is the newest of them.

What broadband can you get in DL9?

Ofcom reports on 377 of the 398 postcodes in DL9. At 286 of them every home and business can get gigabit broadband, and at 1 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit286 of 377

Postcodes where every home can get superfast363 of 377

Postcodes where some cannot get decent broadband1 of 377

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 DL9 at risk of flooding?

5 of the 398 postcodes in DL9 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 4 homes and businesses in an area at high or medium risk.

Homes and businesses in an area at risk, at 5 of 398 postcodes High: 2Medium: 2Low: 4

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 DL9?

Homes in DL9 sold for a typical £180,000 in the 12 months to August 2026, across 117 sales, down 2.7% on the 12 months before, HM Land Registry's figures show.

£180,000 typical price, the 12 months to August 2026

£185,000 12 months to August 2025

▼ down 2.7% on the 12 months before

Detached £280,000 34 sales
Semi-detached £175,000 47 sales
Terraced £135,000 31 sales
Flat or maisonette £90,000 5 sales

Each bar is that kind's typical price, against the most expensive kind here.

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