LL73 Postcode Data
Property data for the LL73 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 LL73 is £215,702 (median £192,500), based on 50 HM Land Registry transactions. Police UK recorded 1 crimes within a 1-mile radius in 2026-03. The average EPC rating across 93 certified properties is 42/100.
Headline pricing in LL73 is broadly in line with the UK national average (England & Wales average ~£290k as of 2025). Stock is dominated by detached properties (44 of the last 50 sales). Energy efficiency here is weaker than average (expect higher running costs and lower mortgage-affordability scores from green lenders).
Avg sale price
£215,702
50 sales
Median price
£192,500
Crime incidents
1
2026-03
Avg EPC score
42/100
93 certs
Recent sold prices
Latest 30 property sales in the LL73 area, sourced from HM Land Registry Price Paid Data.
detached
£212,763
44 sales
semi-detached
£79,700
5 sales
| Date | Address | Type | Price |
|---|---|---|---|
| Nov 2025 | BRYN MARIAN, MARIANGLAS | detached | £429,000 |
| Aug 2024 | SWN Y WYLAN, MARIANGLAS | detached | £550,000 |
| Apr 2024 | GORPHWYSFA, MARIANGLAS | detached | £400,000 |
| Oct 2021 | PRETORIA MOUNT, MARIANGLAS | detached | £415,000 |
| Aug 2019 | ENFIN, MARIANGLAS | detached | £249,950 |
| Nov 2018 | OLGRA, MARIANGLAS | other | £1,025,000 |
| Dec 2017 | THE COTTAGE, MARIANGLAS | semi-detached | £125,000 |
| Sept 2017 | BWTHYN TWT, MARIANGLAS | detached | £284,950 |
| Jul 2017 | SWN Y WYLAN, MARIANGLAS | detached | £365,000 |
| Nov 2016 | LLANERCH Y MOR, MARIANGLAS | detached | £197,000 |
| Mar 2016 | GORPHWYSFA, MARIANGLAS | detached | £275,000 |
| Jan 2016 | HEN GAMDDA FAWR, MARIANGLAS | detached | £189,000 |
| Dec 2015 | CIL Y COED, MARIANGLAS | detached | £235,000 |
| Oct 2015 | GWERNAFON, MARIANGLAS | detached | £295,000 |
| Mar 2013 | BWTHYN TWT, MARIANGLAS | detached | £224,700 |
Crime in LL73
1 reported crimes within a 1-mile radius of the postcode centroid in 2026-03, from Police UK data.
Burglary
1
Energy performance
Aggregate EPC stats from 93 recently-certified properties in the LL73 area.
Avg current score
42/100
Avg potential
73/100
Avg energy cost
£1,898/yr
Sample size
93
Rating distribution
A
0
B
3
C
14
D
6
E
32
F
26
G
12
Area information
- Local authority
- Isle of Anglesey
- Country
- Wales
- Wards
- Lligwy
- Constituency
- Ynys Môn
- Latitude
- 53.3352
- Longitude
- -4.2445
More for LL73
Typical property
What the typical LL73 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 LL73
HM Land Registry from 1995
Corporate freeholders
Companies registered in LL73
Live Companies House data + PSCs
EPC checker
Look up any LL73 address
Energy ratings + improvement options
Crime checker
Local breakdown for LL73
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 LL73 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.