Property market
The five-year median is £435,000 from 5 recorded sales in LL51 9BQ. 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.
LL51 9BQ
Glaslyn · Gwynedd · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Garndolbenmaen
- Ward
- Glaslyn
- Local authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd
- Postcode district
- LL51
- Postcode sector
- LL51 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL51 9BQ
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL51
- Postcode sector
- LL51 9
- Latitude
- 52.951906
- Longitude
- -4.142468
- British National Grid easting
- 256,161
- British National Grid northing
- 341,539
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Glaslyn · W05001535
- Parish or community
- W04000060
- Westminster constituency
- Dwyfor Meirionnydd · W07000096
- Output area
- W00010653
- Lower layer super output area
- Gwynedd 010E · W01000107
- Middle layer super output area
- Gwynedd 010 · W02000019
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 LL51
Property
9 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Cae Eithin Tew, Cwmystradllyn, Garndolbenmaen, LL51 9BQ | 25 October 2024 | £458,000 |
| Cae Eithin Tew, Cwmystradllyn, Garndolbenmaen, LL51 9BQ | 30 July 2024 | £250 |
| Cae Glanrafon, Cwmystradllyn, Garndolbenmaen, LL51 9BQ | 26 January 2024 | £350,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 4
- Primary
- 0
- Secondary
- 0
- 2.4 km
Ysgol Eifionydd
Welsh establishment
- 2.6 km
Ysgol Eifion Wyn
Welsh establishment
- 2.7 km
Ysgol Y Gorlan
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 79
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 39
- Anti social behaviour 15
- Public order 11
- Criminal damage and arson 7
- Burglary 3
Census 2021
Population and age profile
- Postcode residents
- 5
- Postcode households
- 3
- Residents per household
- 1.7
- LL51 9 residents
- 819
1 female, 4 male
Age bands in LL51 9
Wider postcode sector- Age 0 to 14
- 17.3%
- Age 15 to 24
- 9.4%
- Age 25 to 44
- 18%
- Age 45 to 64
- 27.6%
- Age 65 and over
- 27.6%
103 residents
56 residents
107 residents
164 residents
164 residents
This postcode contained 0.6% of the sector's usual residents on Census Day. The age profile describes the wider LL51 9 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+
- 44.4%
- Ultrafast, 100 Mbit/s+
- 44.4%
- Ultrafast, 300 Mbit/s+
- 44.4%
- Gigabit-capable
- 44.4%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 44.4%
- 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.
GP practices
2
within 5 km straight-line
UPCC AT YSBYTY ALLTWEN
TREMADOG, PORTHMADOG, LL49 9AQ
ODS code W00192
1.3 km
MEDDYG CARE
PORTHMADOG HEALTH CENTRE, PORTHMADOG, LL49 9NU
ODS code W94612
2.7 km
Nearby transport
- 0.8 miles
Garden Centre
BCT · Tremadog
- 0.8 miles
Ysbyty Alltwen
BCT · Tremadog
- 0.9 miles
Market Square
BCT · Tremadog
- 0.9 miles
Glanmorfa Terrace
BCT · Penmorfa
- 0.9 miles
Market Square
BCT · Tremadog
Evidence in context
Schools
4 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Eifionydd is the nearest published school at 1.5 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
79 published events cover 12 months, averaging 6.583 events per published month. The largest recorded category is Violence and sexual offences with 39 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.