LL42 Postcode Data
Property data for the LL42 postcode district covering Gwynedd. 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 LL42 is £189,730 (median £128,725), based on 112 HM Land Registry transactions.
Headline pricing in LL42 is below the UK national average (England & Wales average ~£290k as of 2025). Stock is dominated by flat-maisonette properties (38 of the last 112 sales).
Avg sale price
£189,730
112 sales
Median price
£128,725
Crime incidents
n/a
Avg EPC score
n/a
Recent sold prices
Latest 30 property sales in the LL42 area, sourced from HM Land Registry Price Paid Data.
flat-maisonette
£107,614
38 sales
detached
£348,233
36 sales
terraced
£66,896
24 sales
semi-detached
£131,250
4 sales
| Date | Address | Type | Price |
|---|---|---|---|
| Apr 2026 | FLAT 6, SHELBOURNE, ST JOHNS HILL, BARMOUTH | flat-maisonette | £129,950 |
| Jan 2026 | FLAT 4, ST. DAVIDS COURT, ST JOHNS HILL, BARMOUTH | flat-maisonette | £62,000 |
| Nov 2025 | 4, HENDRE COED UCHAF, BARMOUTH | detached | £335,000 |
| Aug 2025 | FLAT 8, SHELBOURNE, ST JOHNS HILL, BARMOUTH | flat-maisonette | £90,000 |
| May 2025 | FLAT 4, SHELBOURNE, ST JOHNS HILL, BARMOUTH | flat-maisonette | £75,000 |
| Feb 2025 | 1-2, TAI NEWYDDION, BARMOUTH | terraced | £60,000 |
| Jan 2025 | FLAT 1A, SHELBOURNE, ST JOHNS HILL, BARMOUTH | flat-maisonette | £112,500 |
| Oct 2024 | FLAT 2, Y BRYN, ST JOHNS HILL, BARMOUTH | flat-maisonette | £135,000 |
| May 2024 | FLAT 3, ST. DAVIDS COURT, ST JOHNS HILL, BARMOUTH | flat-maisonette | £95,000 |
| May 2024 | FLAT 6, ST. DAVIDS COURT, ST JOHNS HILL, BARMOUTH | flat-maisonette | £160,000 |
| Apr 2024 | FLAT 1, GWELFOR, KING EDWARD STREET, BARMOUTH | other | £140,000 |
| Dec 2023 | 5-6, TAI NEWYDDION, BARMOUTH | terraced | £230,000 |
| Jun 2023 | WENALLT, HENDRE COED UCHAF, BARMOUTH | detached | £390,000 |
| May 2023 | FLAT 1, ST DAVIDS COURT, ST JOHNS HILL, BARMOUTH | flat-maisonette | £120,000 |
| May 2023 | FLAT 1, REGENT BUILDINGS, CHURCH ROAD, BARMOUTH | flat-maisonette | £175,000 |
Area information
- Local authority
- Gwynedd
- Country
- Wales
- Wards
- Abermaw, Brithdir and Llanfachreth/Ganllwyd/Llanelltyd
- Constituency
- Dwyfor Meirionnydd
- Latitude
- 52.7258
- Longitude
- -4.0554
More for LL42
Typical property
What the typical LL42 property looks like
Area summary, buyer notes, researched facts
Council tax
Gwynedd 2025/26 rates
All bands, monthly cost, discounts
Sold prices tool
Full transaction history for LL42
HM Land Registry from 1995
Corporate freeholders
Companies registered in LL42
Live Companies House data + PSCs
EPC checker
Look up any LL42 address
Energy ratings + improvement options
Crime checker
Local breakdown for LL42
Police UK monthly data
Want a full property report?
Get an AI-powered report for any specific LL42 address. Valuation, flood risk, planning history, schools and more.
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, covering a 1-mile radius from the LL42 postcode centroid for the most recent month available (typically 2 months behind). For Scottish postcodes we use Police Scotland recorded-crime counts published by the Scottish Government (2024-25), reported by council area.
EPC: opendatacommunities.org, the official Energy Performance Certificate register for England and Wales. Aggregate stats from up to 30 most recent certificates in the postcode. For Scottish postcodes we use Scottish EPC Register lodgements, aggregated to a council-level band distribution (Q2 2025 to Q1 2026). For Northern Ireland we use the NISRA Census 2021 EPC-band classification of every household, aggregated by council (Census 2021).
Area data: postcodes.io, open data from the Office for National Statistics.