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Trawsfynydd

Interactive map displaying Trawsfynydd

About

Trawsfynydd ward encompasses the village of Trawsfynydd and its surrounding rural landscape within the Snowdonia National Park. The area is dominated by the large freshwater reservoir of Llyn Trawsfynydd, originally created to serve a now-decommissioned nuclear power station. This substantial inland lake shapes the local geography and provides a habitat for wildlife. The ward includes stretches of the A470 road and areas of upland common, with the Rhinog mountains rising to the south.

The decommissioned Trawsfynydd Nuclear Power Station remains a prominent and unique feature on the lakeshore, with its twin concrete reactor buildings. The landscape is characterised by forestry plantations, grazing land, and the Afon Prysor river flowing into the lake. The ward's settlements are small, with the village acting as a central hub for the scattered rural community amidst this engineered and natural environment.

Area overview

On average Trawsfynydd has moderate deprivation and very low crime levels, with around 46 crimes per 1,000 residents per year. Approximately 11.6% of homes in this area are social housing provided by a local council or housing association. The average income per household in Trawsfynydd is £43,737 per year. Trawsfynydd is home to around 1,416 people, with a population density of about 8.9 per km2.

Crime rate
2/10
Crimes per 1k residents
46
Deprivation level
5/10
Income level
6/10
Social housing
11.6%
Connectivity
N/A

Area Profile

Trawsfynydd Population
1,416
Population density
8.9 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
24.72(-33%)
Criminal damage and arson
9.89(+22%)
Anti-social behaviour
9.18(-37%)
Other theft
4.94(-2%)
Public order
2.12(-76%)
Wales average

Demographics

Ethnic groups

British
1,391
98.23%
Other White
7
0.49%
Other
7
0.49%
Other Asian
3
0.21%
Other Mixed or Multiple ethnic groups
2
0.14%
Total population: 1,416

Economics

Education (age 16+)

Level 4 qualifications or above
363
30%
No qualifications
228
18.84%
Level 3 (A level)
195
16.12%
Level 2 (GCSEs 9-4)
190
15.7%
Level 1 (GCSEs 3-1)
121
10%
Total 16+ residents: 1,210

Housing

Housing tenure

Owns outright
349
54.45%
Owns with a mortgage
117
18.25%
Other social rented
67
10.45%
Private landlord or letting agency
41
6.4%
Social rents from council
38
5.93%
Total households: 641

Property prices in Trawsfynydd

Based on 22 recent sales, the median property price is £130,000 in Trawsfynydd area, with individual transactions ranging from £55,000 up to £554,600.

Price distribution per property type (last year)

Price distribution by property type for Trawsfynydd in the last year.

Median sale price and percentiles per property type (last year)

Median sale price, sales count, and percentile information for each property type in Trawsfynydd over the last year.
TypeSalesMedian
Detached6£232,248
Semi-Detached2£231,000
Terraced14£122,500

10 years median price trend in Trawsfynydd

Ten year median sale price trend for each property type in Trawsfynydd.

All postcodes in Trawsfynydd

LL414PD

Bro Islyn

LL414TS

Cefn Gwyn

LL414UE

Pen Y Garreg

LL414TW

Trawsfynydd

LL414UU

Maes Gwyndy'en

LL414RS

Maengwyn Street

LL414RW

Ty Gwyn Terrace

LL414RY

Maengwyn Street

LL414SG

Cefn Gwyn

LL414HA

Coed-Y-Llwyn

LL414HL

Bull Street

LL414UL

Frongaled

LL414UH

Pantycelyn

LL414TD

Station Road

LL414RD

Trawsfynydd

LL414YE

Derwen Deg

LL414RT

Tan Llan

LL414SW

Cae Madoc

LL402PG

Derwen Deg

LL414EH

Trawsfynydd

LL414SP

Gwyndy

LL414UD

Pen Y Gareg Street

LL413AQ

Coed Camlyn

LL414ET

Trawsfynydd

LL414SE

Fronwynion Street

LL414TB

Tynypistyll

LL414DY

Y Glynnor

LL414ED

Trawsfynydd

LL414UP

Maes Gwyndy'en

LL414TP

Cae Madoc

LL414LB

Coed Camlyn

LL414UG

Pen Y Gareg Street

LL413YU

Coed Camlyn

LL414HP

Coed Camlyn

LL414RA

Allt Goch

LL414SN

Cefn Gwyn

LL414SR

Maes Gwyndy

LL414EF

Bron Gelli

LL414RB

Y Glynnor

LL414UY

Maes Gwyndy'en

LL414TE

Station Road

LL414DT

Coed-Y-Llwyn

LL414TG

Ardudwy Terrace

LL414UW

Maes Gwyndy'en

LL414ES

Bron Gelli

LL414SS

Bro Prysor

LL414HT

Trawsfynydd

LL414RE

Coed-Y-Llwyn

LL414SF

Dilwyn

LL414YD

Derwen Deg

LL413YT

Allt Goch

LL413YY

Coed Camlyn

LL414RR

Tyr Llan

LL414RU

Stone Street

LL414EU

Coed Camlyn

LL414HF

Trawsfynydd

LL414HN

Bull Street

LL414HS

Fron Fair

LL414EB

Fron Hyfryd

LL414YB

Trawsfynydd Holiday Village

LL414AJ

Trawsfynydd

LL414EA

Minffordd Terrace

LL414TH

Ty Llwyd Terrace

LL414UN

Cae Madoc

LL414DS

Pen Y Gareg Street

LL414UF

Penlan

LL414UT

Maes Gwyndy'en

LL414TN

Pen Y Gareg Street

LL414DZ

Trawsfynydd

LL414HW

Glandwr

LL414SA

Cae Madog

LL414TL

Trawsfynydd

LL414EE

Gellilydan Terrace

LL414HR

Trawsfynydd

LL414AQ

Trawsfynydd

LL414ER

Trawsfynydd

LL414UR

Trawsfynydd Holiday Village

LL414EL

Coed Y Glyn

LL414RP

Chapel Street

LL414TR

Maes Gwyndy'en

LL414UB

Pen Y Gareg Street

LL414DU

Trawsfynydd

LL414EN

Coed-Y-Llwyn

LL414SH

Cefn Gwyn

LL414EG

Trawsfynydd

LL414HH

Trawsfynydd

LL414EY

Coed-Y-Llwyn

LL414SB

Fronwynion Street

LL414EW

Y Glynnor Estate

LL414EP

Trawsfynydd

LL414SL

Fronwynion Street

LL414HU

Ty Nant

LL414TA

Coed-Y-Llwyn

LL414TF

Station Road

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/01/2026.