LL71 Postcode Data
Property data for the LL71 postcode district covering Isle of Anglesey. Sold prices, crime statistics, energy performance, and demographic insights, all from HM Land Registry, Police UK, and the EPC Register.
Quick answer
The average sale price in LL71 is £88,433 (median £80,000), based on 46 HM Land Registry transactions. Police UK recorded 14 crimes within a 1-mile radius in 2026-03. The average EPC rating across 90 certified properties is 52/100.
Headline pricing in LL71 is below the UK national average (England & Wales average ~£290k as of 2025). Stock is dominated by terraced properties (26 of the last 46 sales). Energy efficiency here is weaker than average (expect higher running costs and lower mortgage-affordability scores from green lenders).
Avg sale price
£88,433
46 sales
Median price
£80,000
Crime incidents
14
2026-03
Avg EPC score
52/100
90 certs
Recent sold prices
Latest 30 property sales in the LL71 area, sourced from HM Land Registry Price Paid Data.
terraced
£63,700
26 sales
detached
£120,585
20 sales
| Date | Address | Type | Price |
|---|---|---|---|
| Jan 2026 | 5, CHWAEN TERRACE, LLANNERCH-Y-MEDD | terraced | £85,000 |
| May 2025 | 6, GLADSTONE TERRACE, LLANNERCH-Y-MEDD | terraced | £82,000 |
| Feb 2025 | 7, CHWAEN TERRACE, LLANNERCH-Y-MEDD | terraced | £89,000 |
| Nov 2024 | 3, CHWAEN TERRACE, LLANNERCH-Y-MEDD | terraced | £105,000 |
| Apr 2024 | PENAL, HOLYHEAD ROAD, LLANNERCH-Y-MEDD | detached | £225,000 |
| May 2022 | 1, CHWAEN TERRACE, LLANNERCH-Y-MEDD | terraced | £97,000 |
| Aug 2021 | AFALLON, HOLYHEAD ROAD, LLANNERCH-Y-MEDD | detached | £180,000 |
| Mar 2021 | 3, GLADSTONE TERRACE, LLANNERCH-Y-MEDD | detached | £72,000 |
| Sept 2020 | DOLWAR, HOLYHEAD ROAD, LLANNERCH-Y-MEDD | detached | £235,500 |
| Feb 2020 | 4, CHWAEN TERRACE, LLANNERCH-Y-MEDD | terraced | £100,000 |
| Jul 2019 | 3, CHWAEN TERRACE, LLANNERCH-Y-MEDD | terraced | £75,000 |
| Feb 2019 | 4, CHWAEN TERRACE, LLANNERCH-Y-MEDD | terraced | £44,000 |
| Dec 2018 | PENAL, HOLYHEAD ROAD, LLANNERCH-Y-MEDD | detached | £182,500 |
| Dec 2018 | 1, GLADSTONE TERRACE, LLANNERCH-Y-MEDD | detached | £135,000 |
| Nov 2018 | 1, CHWAEN TERRACE, LLANNERCH-Y-MEDD | terraced | £73,000 |
Crime in LL71
14 reported crimes within a 1-mile radius of the postcode centroid in 2026-03, from Police UK data.
Violent Crime
7
Anti Social Behaviour
4
Criminal Damage Arson
1
Other Theft
1
Public Order
1
Energy performance
Aggregate EPC stats from 90 recently-certified properties in the LL71 area.
Avg current score
52/100
Avg potential
80/100
Avg energy cost
£1,650/yr
Sample size
90
Rating distribution
A
10
B
0
C
12
D
29
E
9
F
15
G
15
Area information
- Local authority
- Isle of Anglesey
- Country
- Wales
- Wards
- Canolbarth Môn, Lligwy, Talybolion
- Constituency
- Ynys Môn
- Latitude
- 53.3295
- Longitude
- -4.3713
More for LL71
Typical property
What the typical LL71 property looks like
Area summary, buyer notes, researched facts
Council tax
Isle of Anglesey 2025/26 rates
All bands, monthly cost, discounts
Sold prices tool
Full transaction history for LL71
HM Land Registry from 1995
Corporate freeholders
Companies registered in LL71
Live Companies House data + PSCs
EPC checker
Look up any LL71 address
Energy ratings + improvement options
Crime checker
Local breakdown for LL71
Police UK monthly data
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Get a Property ReportData sources & methodology
Sold prices: HM Land Registry Price Paid Data, the official UK government records updated monthly. Sample uses the 30 most recent registered transactions in the postcode area.
Crime: Police UK street-level crime data. Counts cover a 1-mile radius from the LL71 postcode centroid for the most recent month available (typically 2 months behind).
EPC: opendatacommunities.org, the official UK Energy Performance Certificate register. Aggregate stats from up to 30 most recent certificates in the postcode.
Area data: postcodes.io, open data from the Office for National Statistics.