PL18 postcode area guide — Cornwall
House prices, crime, broadband speeds, mobile signal, schools and demographics for the PL18 postcode district in Cornwall — every official dataset on one page.
Check any UK postcode
Where is PL18?
Broadband & internet speeds in PL18
Strong coverage
Superfast (30Mb+)
91.3%
Ultrafast (300Mb+)
46.4%
Gigabit-capable
46.4%
Below USO (10Mb)
0.2%
Broadband availability in the PL18 postcode district (Cornwall) is Strong — superfast is near-universal and gigabit is rolling out. Across the 230 postcodes Ofcom measures in PL18, superfast broadband (30 Mbit/s or faster) reaches 91.3% of premises and gigabit-capable lines are available to 46.4%.
Around 0.2% of premises in PL18 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 PL18
| Postcode | Superfast | Gigabit |
|---|---|---|
| PL18 9AA | 92.3% | 92.3% |
| PL18 9AB | 100% | 42.9% |
| PL18 9AD | 100% | 11.1% |
| PL18 9AE | 100% | 0% |
| PL18 9AF | 100% | 0% |
| PL18 9AG | 100% | 0% |
| PL18 9AH | 100% | 0% |
| PL18 9AJ | 100% | 0% |
| PL18 9AL | 95.7% | 17.4% |
| PL18 9AN | 60% | 40% |
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 PL18
Police recorded 9 incidents within about a mile of the centre of PL18 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 6 | 66.7% |
| Other crime | 2 | 22.2% |
| Other theft | 1 | 11.1% |
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 PL18
Based on 57 sales registered with HM Land Registry in the last 12 months, the median sold price in PL18 is £280,000, down 3.7% on the previous year (£290,900).
Detached
£385,000
28 sales
Semi-detached
£230,000
13 sales
Terraced
£160,000
10 sales
Flat / maisonette
£126,500
4 sales
Latest recorded sales in PL18
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 20 Apr 2026 | £126,500 | Flat | St Andrews Close | PL18 9RQ |
| 2 Apr 2026 | £420,000 | Detached | Delaware Road | PL18 9AS |
| 2 Apr 2026 | £270,000 | Semi-detached | Curlew Walk | PL18 9FR |
| 16 Mar 2026 | £500,000 | Detached | Calstock Road | PL18 9BU |
| 6 Mar 2026 | £263,000 | Semi-detached | Raven Close | PL18 9FQ |
| 3 Mar 2026 | £70,000 | Terraced | Rush Park Terrace | PL18 9NR |
| 16 Feb 2026 | £390,000 | Semi-detached | Higher Kelly | PL18 9QY |
| 13 Feb 2026 | £230,000 | Semi-detached | Petroc Court | PL18 9TF |
| 12 Feb 2026 | £210,000 | Detached | PL18 9NP | |
| 26 Jan 2026 | £424,000 | Detached | Commercial Road | PL18 9QT |
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 PL18
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Copper Valley Junior Academy | Primary | 7–11 | 91 | PL18 9NA |
| Copper Valley Infant and Nursery Academy | Primary | 2–7 | 70 | PL18 9EN |
| Calstock Community Primary School | Primary | 2–11 | 60 | PL18 9QL |
| Copper Fields School | Not applicable | 4–16 | 26 | PL18 9EH |
| The Lowen School | Not applicable | 5–18 | 25 | PL18 9NS |
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 PL18
27 rated food businesses operate in PL18. 20 hold the top rating of 5, 2 are rated 4, and 2 are rated 2 or below.
Among the 5-rated: Asda Express Gunnislake - Sand Hill PFS, Calstock Arts, Calstock Cake, Calstock Community Primary School, Caterlink - Delaware Primary Academy.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in PL18
From a sample of 88 Energy Performance Certificates across 12 PL18 postcodes, the most common rating is band D (average band D). 24% of sampled homes are rated C or better.
Band B
6%
Band C
18%
Band D
35%
Band E
24%
Band F
9%
Band G
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 Cornwall
Landlines around PL18 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 PL18?
Be the first to rate PL18 (Cornwall).
How would you rate living in PL18 (Cornwall)?
Moving to PL18? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Cornwall — free, no-obligation quote.
Postcodes in PL18
Neighbouring districts
All Plymouth (PL) postcode districts ›
Frequently asked questions
Where is the PL18 postcode?
How much do houses cost in PL18?
Is PL18 a safe area?
What broadband can I get in PL18?
Who lives in PL18?
How energy efficient are homes in PL18?
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.