LL41 4SN

Trawsfynydd · Gwynedd · Wales

Updated September 2026

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Location overview

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Post town: Blaenau Ffestiniog
Ward: Trawsfynydd
Local authority: Gwynedd
Constituency: Dwyfor Meirionnydd
Postcode district: LL41
Postcode sector: LL41 4

Nearby postcodes

Nearby postcode distances
Postcode	Distance
LL41 4SL	37 m
LL41 4SF	54 m
LL41 4SW	97 m
LL41 4SE	115 m
LL41 4SG	133 m

Complete postcode fields and official codes

Postcode: LL41 4SN
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: LL
Postcode district: LL41
Postcode sector: LL41 4
Latitude: 52.900710
Longitude: -3.922514
British National Grid easting: 270,784
British National Grid northing: 335,426

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Gwynedd · W06000002
Electoral ward: Trawsfynydd · W05001562
Parish or community: W04000100
Westminster constituency: Dwyfor Meirionnydd · W07000096
Output area: W00000590
Lower layer super output area: Gwynedd 009D · W01000114
Middle layer super output area: Gwynedd 009 · W02000018

Postcode source versions

Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence

Explore LL41

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

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3 recorded sales at this postcode

Address	Date	Price
Y Cilgwyn, Trawsfynydd, Blaenau Ffestiniog, LL41 4SN	19 December 2017	£131,000
Y Cilgwyn, Trawsfynydd, Blaenau Ffestiniog, LL41 4SN	19 December 2017	£131,000
Angorfa, Trawsfynydd, Blaenau Ffestiniog, LL41 4SN	18 August 2005	£49,000

Schools

Within 3.1 miles of this postcode

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Open schools: 2
Primary: 0
Secondary: 0

Ysgol Bro Hedd Wyn

Welsh establishment
46 m
Ysgol Edmwnd Prys

Welsh establishment
5.0 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records

Published events: 46
Months covered: 12
Latest month: June 2026

Most recorded categories in this period

Violence and sexual offences 23
Other theft 6
Anti social behaviour 6
Criminal damage and arson 5
Other crime 4

Census 2021

Population and age profile

Postcode residents: 5
Postcode households: 3
Residents per household: 1.7
LL41 4 residents: 3,208

Age bands in LL41 4

Wider postcode sector

Age 0 to 14: 15.2%
Age 15 to 24: 10.6%
Age 25 to 44: 21%
Age 45 to 64: 29.2%
Age 65 and over: 24%

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider LL41 4 sector, not people in this individual postcode.

How to read these estimates

The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+: 100%
Ultrafast, 100 Mbit/s+: 0%
Ultrafast, 300 Mbit/s+: 0%
Gigabit-capable: 0%

Unable to receive decent fixed or FWA broadband: 0%
Next Generation Access: 100%
Decent broadband available from fixed wireless: 0%

Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Nearby transport

Bryn Glas

BCT · Trawsfynydd
0.1 miles
Bryn Glas

BCT · Trawsfynydd
0.1 miles
Cross Foxes

BCT · Trawsfynydd
0.1 miles
Cross Foxes

BCT · Trawsfynydd
0.1 miles
Maes Gwyndy

BCT · Trawsfynydd
0.2 miles

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Schools

Published establishments

2 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Bro Hedd Wyn is the nearest published school at 46 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

Published police records

46 published events cover 12 months, averaging 3.833 events per published month. The largest recorded category is Violence and sexual offences with 23 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.