TD12 postcode area guide — Northumberland
House prices, crime, broadband speeds, mobile signal, schools and demographics for the TD12 postcode district in Northumberland — every official dataset on one page.
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Where is TD12?
Broadband & internet speeds in TD12
Strong coverage
Superfast (30Mb+)
80%
Ultrafast (300Mb+)
54.7%
Gigabit-capable
54.7%
Below USO (10Mb)
3.7%
Broadband availability in the TD12 postcode district (Northumberland) is Strong — superfast is near-universal and gigabit is rolling out. Across the 236 postcodes Ofcom measures in TD12, superfast broadband (30 Mbit/s or faster) reaches 80% of premises and gigabit-capable lines are available to 54.7%.
Around 3.7% of premises in TD12 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 TD12
| Postcode | Superfast | Gigabit |
|---|---|---|
| TD12 4AA | 100% | 100% |
| TD12 4AD | 100% | 40% |
| TD12 4AE | 100% | 77.8% |
| TD12 4AF | 100% | 100% |
| TD12 4AG | 100% | 85% |
| TD12 4AH | 100% | 0% |
| TD12 4AJ | 100% | 0% |
| TD12 4AL | 100% | 100% |
| TD12 4AN | 100% | 0% |
| TD12 4AP | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Northumberland
Ofcom's coverage model for the wider Northumberland district (174,968 premises):
4G indoors — all networks
83.7%
4G outdoors — all networks
98.5%
5G outdoors — all networks
30.5%
Voice indoors — all networks
87.7%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
House prices in TD12
Based on 9 sales registered with HM Land Registry in the last 12 months, the median sold price in TD12 is £276,000, up 6.6% on the previous year (£259,000).
Detached
£365,000
3 sales
Semi-detached
£230,000
4 sales
Latest recorded sales in TD12
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 9 Apr 2026 | £365,000 | Detached | Tweed View | TD12 4US |
| 6 Feb 2026 | £125,000 | Detached | Main Street | TD12 4UH |
| 8 Jan 2026 | £300,000 | Other | TD12 4SD | |
| 9 Dec 2025 | £145,000 | Semi-detached | Station Gardens | TD12 4TS |
| 25 Nov 2025 | £275,000 | Semi-detached | TD12 4XN | |
| 10 Oct 2025 | £365,000 | Terraced | TD12 4UT | |
| 23 Sep 2025 | £276,000 | Semi-detached | Mardon Farm Cottage | TD12 4SJ |
| 8 Aug 2025 | £230,000 | Semi-detached | Kilham Cottage | TD12 4QS |
| 6 Aug 2025 | £447,500 | Detached | Stanley Court | TD12 4FJ |
| 4 Jul 2025 | £115,000 | Detached | St Helens Gardens | TD12 4UB |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Northumberland demographics
Census 2021 figures for the wider Northumberland district (320,569 residents, 146,922 households):
| Age profile | |
|---|---|
| Under 15 | 16.1% |
| 15–29 | 18.4% |
| 30–44 | 17% |
| 45–64 | 23% |
| 65+ | 25.4% |
| Housing tenure | |
|---|---|
| Owner-occupied | 65.2% |
| Private rented | 16.5% |
| Social rented | 8.5% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Food hygiene ratings in TD12
57 rated food businesses operate in TD12. 31 hold a Pass under the Food Hygiene Information Scheme used in Scotland, while 2 currently require improvement.
Among the Pass-rated: Border Spirits & Botanicals Limited, Bread Therapy, Cheviot Brewery Ltd, Corn Mill Coffee House, Crookham Village Hall.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in TD12
From a sample of 26 Energy Performance Certificates across 4 TD12 postcodes, the most common rating is band D (average band D). 12% of sampled homes are rated C or better.
Band B
4%
Band C
8%
Band D
42%
Band E
38%
Band F
8%
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 Northumberland
Landlines around TD12 typically use:
Had a call from an unknown number? Use our free UK phone number checker to see who called.
What's it like living in TD12?
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Moving to TD12? Sort your connectivity first
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Postcodes in TD12
Neighbouring districts
All Galashiels (TD) postcode districts ›
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.