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Gwynedd, Wales

LL47 Postcode Data

Property data for the LL47 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 LL47 is £140,258 (median £129,995), based on 25 HM Land Registry transactions. Police UK recorded 2 crimes within a 1-mile radius in 2026-03. The average EPC rating across 87 certified properties is 40/100.

Headline pricing in LL47 is below the UK national average (England & Wales average ~£290k as of 2025). Stock is dominated by terraced properties (13 of the last 25 sales). Energy efficiency here is weaker than average (expect higher running costs and lower mortgage-affordability scores from green lenders).

Avg sale price

£140,258

25 sales

Median price

£129,995

Crime incidents

2

2026-03

Avg EPC score

40/100

87 certs

Recent sold prices

Latest 25 property sales in the LL47 area, sourced from HM Land Registry Price Paid Data.

terraced

£109,650

13 sales

detached

£193,600

10 sales

semi-detached

£125,000

1 sales

DateAddressTypePrice
May 20242, GLANYWERN, TALSARNAUterraced£149,950
Jul 2023GLANLLYN, TALSARNAUdetached£327,000
Dec 20202, GLANYWERN, TALSARNAUterraced£129,995
Nov 2020GWYNFA, TALSARNAUdetached£240,000
Feb 20202, TY GWYN, TALSARNAUterraced£165,000
Oct 2018GLANLLYN, TALSARNAUdetached£255,000
Jun 20185, TY GWYN, TALSARNAUterraced£200,000
Apr 20181, GLANYWERN, TALSARNAUterraced£124,000
Mar 20176, TY GWYN, TALSARNAUother£20,000
Sept 2016MINAFON, TALSARNAUdetached£210,000
Sept 20161, GLANYWERN, TALSARNAUterraced£120,000
Mar 20153, GLANYWERN, TALSARNAUterraced£138,000
Mar 20134, GLANYWERN, TALSARNAUsemi-detached£125,000
Feb 2013GWYNFA, TALSARNAUdetached£202,000
Sept 20113, TY GWYN, TALSARNAUterraced£144,000

Crime in LL47

2 reported crimes within a 1-mile radius of the postcode centroid in 2026-03, from Police UK data.

Vehicle Crime

1

Violent Crime

1

Energy performance

Aggregate EPC stats from 87 recently-certified properties in the LL47 area.

Avg current score

40/100

Avg potential

79/100

Avg energy cost

£2,049/yr

Sample size

87

Rating distribution

A

0

B

1

C

0

D

20

E

28

F

27

G

11

Area information

Local authority
Gwynedd
Country
Wales
Wards
Harlech a Llanbedr
Constituency
Dwyfor Meirionnydd
Latitude
52.9020
Longitude
-4.0630

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Data 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 LL47 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.