LL77 Postcode Data
Property data for the LL77 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 LL77 is £184,530 (median £190,000), based on 57 HM Land Registry transactions. Police UK recorded 84 crimes within a 1-mile radius in 2026-03. The average EPC rating across 146 certified properties is 83/100.
Headline pricing in LL77 is below the UK national average (England & Wales average ~£290k as of 2025). Stock is dominated by semi-detached properties (26 of the last 57 sales). Energy efficiency here is stronger than the UK average (Band C/D territory).
Avg sale price
£184,530
57 sales
Median price
£190,000
Crime incidents
84
2026-03
Avg EPC score
83/100
146 certs
Recent sold prices
Latest 30 property sales in the LL77 area, sourced from HM Land Registry Price Paid Data.
semi-detached
£186,458
26 sales
detached
£232,844
16 sales
terraced
£171,000
10 sales
| Date | Address | Type | Price |
|---|---|---|---|
| Oct 2025 | 6, FFORDD KYFFIN, PARC Y COED, LLANGEFNI | semi-detached | £220,000 |
| Jun 2025 | 46, CILFACH PENCAE, PARC Y COED, LLANGEFNI | semi-detached | £233,000 |
| Dec 2024 | 58, CILFACH PENCAE, PARC Y COED, LLANGEFNI | detached | £218,000 |
| Jul 2024 | 6, MAES Y MEILLION, LLANGEFNI | detached | £287,000 |
| May 2024 | 43, FFORD KYFFIN, PARC Y COED, LLANGEFNI | semi-detached | £220,000 |
| Apr 2024 | 4, MAES Y MEILLION, LLANGEFNI | detached | £270,000 |
| Feb 2024 | 33, FFORD KYFFIN, PARC Y COED, LLANGEFNI | semi-detached | £190,000 |
| Dec 2023 | 85, FFORD KYFFIN, PARC Y COED, LLANGEFNI | other | £143,333 |
| Jan 2023 | 4, MAES Y MEILLION, LLANGEFNI | other | £39,999 |
| Dec 2022 | 6, MAES Y MEILLION, LLANGEFNI | other | £50,000 |
| Nov 2022 | 52, CILFACH PENCAE, PARC Y COED, LLANGEFNI | semi-detached | £170,000 |
| Nov 2022 | 61, CILFACH PENCAE, LLANGEFNI | semi-detached | £197,500 |
| Nov 2022 | 60, CILFACH PENCAE, PARC Y COED, LLANGEFNI | semi-detached | £197,500 |
| Nov 2022 | 51, CILFACH PENCAE, PARC Y COED, LLANGEFNI | semi-detached | £195,000 |
| Oct 2022 | 56, CILFACH PENCAE, PARC Y COED, LLANGEFNI | semi-detached | £170,000 |
Crime in LL77
84 reported crimes within a 1-mile radius of the postcode centroid in 2026-03, from Police UK data.
Violent Crime
25
Anti Social Behaviour
20
Shoplifting
16
Other Theft
7
Criminal Damage Arson
6
Energy performance
Aggregate EPC stats from 146 recently-certified properties in the LL77 area.
Avg current score
83/100
Avg potential
92/100
Avg energy cost
£529/yr
Sample size
146
Rating distribution
A
0
B
133
C
9
D
1
E
2
F
1
G
0
Area information
- Local authority
- Isle of Anglesey
- Country
- Wales
- Wards
- Aethwy, Canolbarth Môn, Cefni
- Constituency
- Ynys Môn
- Latitude
- 53.2606
- Longitude
- -4.3121
More for LL77
Typical property
What the typical LL77 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 LL77
HM Land Registry from 1995
Corporate freeholders
Companies registered in LL77
Live Companies House data + PSCs
EPC checker
Look up any LL77 address
Energy ratings + improvement options
Crime checker
Local breakdown for LL77
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 LL77 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.