TR21 postcode area guide — Cornwall
House prices, crime, broadband speeds, mobile signal, schools and demographics for the TR21 postcode district in Cornwall — every official dataset on one page.
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Where is TR21?
Broadband & internet speeds in TR21
Strong coverage
Superfast (30Mb+)
96.5%
Ultrafast (300Mb+)
3.6%
Gigabit-capable
3.6%
Below USO (10Mb)
0.5%
Broadband availability in the TR21 postcode district (Cornwall) is Strong — superfast is near-universal and gigabit is rolling out. Across the 67 postcodes Ofcom measures in TR21, superfast broadband (30 Mbit/s or faster) reaches 96.5% of premises and gigabit-capable lines are available to 3.6%.
Around 0.5% of premises in TR21 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 TR21
| Postcode | Superfast | Gigabit |
|---|---|---|
| TR21 0AB | 100% | 100% |
| TR21 0AD | 100% | 0% |
| TR21 0AF | 100% | 0% |
| TR21 0HE | 66.7% | 0% |
| TR21 0HU | 88.9% | 0% |
| TR21 0HW | 100% | 0% |
| TR21 0HX | 100% | 0% |
| TR21 0HY | 100% | 0% |
| TR21 0HZ | 100% | 0% |
| TR21 0JA | 50% | 0% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Cornwall
Ofcom's coverage model for the wider Cornwall district (312,345 premises):
4G indoors — all networks
80.1%
4G outdoors — all networks
96.1%
5G outdoors — all networks
0.2%
Voice indoors — all networks
83.7%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in TR21
Police recorded 11 incidents within about a mile of the centre of TR21 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 8 | 72.7% |
| Burglary | 1 | 9.1% |
| Criminal damage & arson | 1 | 9.1% |
| Other theft | 1 | 9.1% |
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 TR21
Based on 11 sales registered with HM Land Registry in the last 12 months, the median sold price in TR21 is £262,000, down 53.6% on the previous year (£565,000).
Flat / maisonette
£240,000
5 sales
Latest recorded sales in TR21
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 18 May 2026 | £295,000 | Terraced | Thorofare | TR21 0LN |
| 2 Apr 2026 | £265,000 | Flat | Church Street | TR21 0JT |
| 20 Mar 2026 | £645,000 | Detached | Church Street | TR21 0JT |
| 26 Feb 2026 | £220,000 | Flat | The Parade | TR21 0LP |
| 3 Dec 2025 | £517,500 | Terraced | Parsons Field | TR21 0JJ |
| 22 Sep 2025 | £262,000 | Flat | The Bank | TR21 0HY |
| 26 Aug 2025 | £80,000 | Other | The Bank | TR21 0HY |
| 22 Aug 2025 | £240,000 | Flat | Church Street | TR21 0JT |
| 18 Aug 2025 | £85,000 | Other | The Parade | TR21 0LP |
| 15 Aug 2025 | £220,000 | Flat | Church Street | TR21 0JT |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Cornwall demographics
Census 2021 figures for the wider Cornwall district (570,308 residents, 250,533 households):
| Age profile | |
|---|---|
| Under 15 | 16.3% |
| 15–29 | 19.6% |
| 30–44 | 17% |
| 45–64 | 21.8% |
| 65+ | 25.3% |
| Housing tenure | |
|---|---|
| Owner-occupied | 66.2% |
| Private rented | 19.8% |
| Social rented | 7.6% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around TR21
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| The Five Islands Academy | All-through | 3–16 | 243 | TR21 0NA |
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 TR21
86 rated food businesses operate in TR21. 64 hold the top rating of 5, 7 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: Airport Cafe, Becky's Scilly Cakes, Bell Rock Hotel, Belmont, Bishop And Wolf.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in TR21
From a sample of 139 Energy Performance Certificates across 10 TR21 postcodes, the most common rating is band E (average band E). 9% of sampled homes are rated C or better.
Band B
6%
Band C
3%
Band D
19%
Band E
33%
Band F
23%
Band G
16%
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 Cornwall
Landlines around TR21 typically use:
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What's it like living in TR21?
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Moving to TR21? Sort your connectivity first
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Postcodes in TR21
Neighbouring districts
All Truro (TR) 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.