DL1 postcode area guide — County Durham
House prices, crime, broadband speeds, mobile signal, schools and demographics for the DL1 postcode district in County Durham — every official dataset on one page.
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Where is DL1?
Broadband & internet speeds in DL1
Excellent coverage
Superfast (30Mb+)
95.8%
Ultrafast (300Mb+)
89.1%
Gigabit-capable
89%
Below USO (10Mb)
0.1%
Broadband availability in the DL1 postcode district (County Durham) is Excellent — gigabit-capable full fibre is widely available. Across the 1,217 postcodes Ofcom measures in DL1, superfast broadband (30 Mbit/s or faster) reaches 95.8% of premises and gigabit-capable lines are available to 89%.
Around 0.1% of premises in DL1 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in DL1
| Postcode | Superfast | Gigabit |
|---|---|---|
| DL1 1AA | 100% | 100% |
| DL1 1AG | 100% | 0% |
| DL1 1AS | 100% | 0% |
| DL1 1AT | 100% | 0% |
| DL1 1AU | 100% | 100% |
| DL1 1AW | 100% | 100% |
| DL1 1AX | 100% | 0% |
| DL1 1AZ | 100% | 0% |
| DL1 1BA | 95.7% | 95.7% |
| DL1 1BD | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around County Durham
Ofcom's coverage model for the wider County Durham district (269,279 premises):
4G indoors — all networks
86.8%
4G outdoors — all networks
99.2%
5G outdoors — all networks
39.9%
Voice indoors — all networks
88.9%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in DL1
Police recorded 667 incidents within about a mile of the centre of DL1 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 180 | 27.0% |
| Anti-social behaviour | 148 | 22.2% |
| Shoplifting | 95 | 14.2% |
| Criminal damage & arson | 58 | 8.7% |
| Public order | 46 | 6.9% |
| Vehicle crime | 45 | 6.7% |
| Burglary | 31 | 4.6% |
| Other theft | 19 | 2.8% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in DL1
Based on 572 sales registered with HM Land Registry in the last 12 months, the median sold price in DL1 is £134,000, up 1.5% on the previous year (£132,000).
Detached
£229,000
77 sales
Semi-detached
£146,000
240 sales
Terraced
£95,000
216 sales
Flat / maisonette
£78,000
23 sales
Latest recorded sales in DL1
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 22 May 2026 | £82,500 | Terraced | Greenwell Street | DL1 5DL |
| 22 May 2026 | £235,000 | Detached | Berriedale Drive | DL1 3TD |
| 22 May 2026 | £139,000 | Semi-detached | Hundens Lane | DL1 1JF |
| 22 May 2026 | £89,500 | Terraced | Park Lane | DL1 5AF |
| 18 May 2026 | £170,000 | Terraced | Pease Street | DL1 4EU |
| 15 May 2026 | £158,000 | Terraced | Paton Way | DL1 1LP |
| 15 May 2026 | £205,000 | Semi-detached | Tayport Close | DL1 3TG |
| 11 May 2026 | £185,000 | Semi-detached | Loraine Crescent | DL1 5TE |
| 11 May 2026 | £302,000 | Detached | Raspberry Grove | DL1 3FQ |
| 8 May 2026 | £135,000 | Semi-detached | Parkside | DL1 4JZ |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? County Durham demographics
Census 2021 figures for the wider County Durham district (522,068 residents, 234,764 households):
| Age profile | |
|---|---|
| Under 15 | 16.9% |
| 15–29 | 22.7% |
| 30–44 | 17.5% |
| 45–64 | 21.6% |
| 65+ | 21.3% |
| Housing tenure | |
|---|---|
| Owner-occupied | 62.5% |
| Private rented | 17.2% |
| Social rented | 10.6% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around DL1
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Haughton Academy | Secondary | 11–16 | 854 | DL1 2AN |
| Polam Hall School | All-through | 4–16 | 842 | DL1 5PA |
| St Aidan's Church of England Academy | Secondary | 11–16 | 587 | DL1 1LL |
| The Rydal Academy | Primary | 2–11 | 584 | DL1 4BH |
| Heathfield Primary School | Primary | 3–11 | 439 | DL1 1EJ |
| Whinfield Primary School | Primary | 5–11 | 433 | DL1 3HT |
| Northwood Primary School | Primary | 2–11 | 429 | DL1 2HF |
| Beaumont Hill Academy | Not applicable | 2–19 | 399 | DL1 2AN |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in DL1
412 rated food businesses operate in DL1. 329 hold the top rating of 5, 26 are rated 4, and 8 are rated 2 or below.
Among the 5-rated: Academy Catering At ATMOS, Agape4allfoods Limited, Age Uk (Cafe And The Arcade Dementia Centre), Albert Hill Club & Institute, Albert Road Post Office.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in DL1
From a sample of 82 Energy Performance Certificates across 6 DL1 postcodes, the most common rating is band D (average band D). 28% of sampled homes are rated C or better.
Band A
1%
Band B
12%
Band C
15%
Band D
44%
Band E
21%
Band F
6%
Band G
1%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for County Durham
Landlines around DL1 typically use:
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What's it like living in DL1?
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Moving to DL1? Sort your connectivity first
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Postcodes in DL1
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Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.