Property market
The five-year median is £188,000 from 2 recorded sales in LL54 6BT. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Gwynedd is £206,665 in June 2026, up 5.7% year on year.
LL54 6BT
Llanllyfni · Gwynedd · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Caernarfon
- Ward
- Llanllyfni
- Local authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd
- Postcode district
- LL54
- Postcode sector
- LL54 6
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL54 6BT
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL54
- Postcode sector
- LL54 6
- Latitude
- 53.053863
- Longitude
- -4.195782
- British National Grid easting
- 252,927
- British National Grid northing
- 352,987
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Llanllyfni · W05001546
- Parish or community
- W04000083
- Westminster constituency
- Dwyfor Meirionnydd · W07000096
- Output area
- W00000438
- Lower layer super output area
- Gwynedd 008B · W01000086
- Middle layer super output area
- Gwynedd 008 · W02000017
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 LL54
Property
9 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Drwys-Y-Coed Cottages, Beddgelert, Caernarfon, LL54 6BT | 5 August 2025 | £76,000 |
| Tyrpeg Gelli, Nantlle, Caernarfon, LL54 6BT | 14 March 2025 | £300,000 |
| Tan Meredydd, 2, Nantlle, Caernarfon, LL54 6BT | 23 February 2017 | £170,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 2
- Primary
- 0
- Secondary
- 0
- 1.4 km
Ysgol Baladeulyn
Welsh establishment
- 4.8 km
Ysgol Gynradd Rhosgadfan
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 8
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Anti social behaviour 3
- Violence and sexual offences 3
- Criminal damage and arson 2
Census 2021
Population and age profile
- Postcode residents
- 17
- Postcode households
- 7
- Residents per household
- 2.4
- LL54 6 residents
- 4,195
8 female, 9 male
Age bands in LL54 6
Wider postcode sector- Age 0 to 14
- 18.7%
- Age 15 to 24
- 10.7%
- Age 25 to 44
- 21.7%
- Age 45 to 64
- 27.5%
- Age 65 and over
- 21.4%
765 residents
437 residents
890 residents
1,127 residents
878 residents
This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider LL54 6 sector, not people in this individual postcode.
Small counts are adjusted for privacy, so totals can differ slightly between Census tables.
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+
- 21.4%
- Ultrafast, 100 Mbit/s+
- 14.3%
- Ultrafast, 300 Mbit/s+
- 14.3%
- Gigabit-capable
- 14.3%
- Unable to receive decent fixed or FWA broadband
- 57.1%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 0%
Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.
Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
Nearby transport
- 0.8 miles
Ysgol Baladeulyn
BCT · Nantlle
- 0.8 miles
Ysgol Baladeulyn
BCT · Nantlle
- 1.2 miles
Old Post Office
BCT · Nantlle
- 1.3 miles
Old Post Office
BCT · Nantlle
- 1.7 miles
Gwernoer
BCT · Nantlle
Evidence in context
Schools
2 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Baladeulyn is the nearest published school at 0.9 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
8 published events cover 12 months, averaging 0.667 events per published month. The largest recorded category is Anti social behaviour with 3 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.