Schools
3 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Eifionydd is the nearest published school at 2.8 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL51 9AZ
Dolbenmaen · Gwynedd · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Garndolbenmaen
- Ward
- Dolbenmaen
- Local authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd
- Postcode district
- LL51
- Postcode sector
- LL51 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL51 9AZ
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL51
- Postcode sector
- LL51 9
- Latitude
- 52.967380
- Longitude
- -4.160821
- British National Grid easting
- 254,980
- British National Grid northing
- 343,297
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Dolbenmaen · W05001529
- Parish or community
- W04000060
- Westminster constituency
- Dwyfor Meirionnydd · W07000096
- Output area
- W00000339
- Lower layer super output area
- Gwynedd 010A · W01000066
- 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
4 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Saron, Cwmystradllyn, Garndolbenmaen, LL51 9AZ | 13 August 2020 | £355,000 |
| Islyn, 2, Cwmystradllyn, Garndolbenmaen, LL51 9AZ | 20 January 2014 | £125,000 |
| Islyn, 2, Cwmystradllyn, Garndolbenmaen, LL51 9AZ | 17 May 2002 | £54,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 3
- Primary
- 0
- Secondary
- 0
- 4.4 km
Ysgol Eifionydd
Welsh establishment
- 4.6 km
Ysgol Eifion Wyn
Welsh establishment
- 4.7 km
Ysgol Y Gorlan
Welsh establishment
Census 2021
Population and age profile
- Postcode residents
- 28
- Postcode households
- 11
- Residents per household
- 2.5
- LL51 9 residents
- 819
11 female, 17 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 3.4% 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+
- 93.8%
- Ultrafast, 100 Mbit/s+
- 93.8%
- Ultrafast, 300 Mbit/s+
- 93.8%
- Gigabit-capable
- 93.8%
- Unable to receive decent fixed or FWA broadband
- 6.3%
- Next Generation Access
- 93.8%
- 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
UPCC AT YSBYTY ALLTWEN
TREMADOG, PORTHMADOG, LL49 9AQ
ODS code W00192
3.1 km
MEDDYG CARE
PORTHMADOG HEALTH CENTRE, PORTHMADOG, LL49 9NU
ODS code W94612
4.7 km
Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.
Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.
Nearby transport
- 1.3 miles
Golan
BCT · Golan
- 1.4 miles
Brynkir Woollen Mill
BCT · Golan
- 1.4 miles
Brynkir Woollen Mill
BCT · Golan
- 1.7 miles
Bryncir Terrace
BCT · Penmorfa
- 1.7 miles
Bron Alltwen
BCT · Penmorfa