Schools
9 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Talwrn is the nearest published school at 1.7 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL77 7SG
Aethwy · Isle of Anglesey · Wales
Updated September 2026
Compare this postcodeLocation overview
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Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL77 7SG
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL77
- Postcode sector
- LL77 7
- Latitude
- 53.249516
- Longitude
- -4.263803
- British National Grid easting
- 249,057
- British National Grid northing
- 374,890
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Isle of Anglesey · W06000001
- Electoral ward
- Aethwy · W05001492
- Parish or community
- W04000872
- Westminster constituency
- Ynys Môn · W07000112
- Output area
- W00000126
- Lower layer super output area
- Isle of Anglesey 009B · W01000025
- Middle layer super output area
- Isle of Anglesey 009 · W02000009
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 LL77
Property
2 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Glyn, Penmynydd Road, Llangefni, LL77 7SG | 18 May 2021 | £507,500 |
| Glyn, Penmynydd Road, Llangefni, LL77 7SG | 11 October 2002 | £132,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 9
- Primary
- 0
- Secondary
- 0
- 2.8 km
Ysgol Gynradd Talwrn
Welsh establishment
- 2.9 km
Canolfan Addysg Y Bont
Welsh establishment
- 2.9 km
Ysgol Y Graig
Welsh establishment
Census 2021
Population and age profile
- Postcode residents
- 1
- Postcode households
- Not supplied
- Residents per household
- Not available
- LL77 7 residents
- 7,199
1 female, 0 male
Age bands in LL77 7
Wider postcode sector- Age 0 to 14
- 19%
- Age 15 to 24
- 10.3%
- Age 25 to 44
- 22.4%
- Age 45 to 64
- 25.8%
- Age 65 and over
- 22.5%
1,468 residents
797 residents
1,730 residents
1,988 residents
1,736 residents
This postcode contained 0% of the sector's usual residents on Census Day. The age profile describes the wider LL77 7 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+
- 0%
- 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%
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
MEDDYGFA STAR SURGERY
STAR, GAERWEN, LL60 6AH
ODS code W94633
3.1 km
COED Y GLYN SURGERY
COED Y GLYN, CHURCH STREET, LLANGEFNI, LL77 7DU
ODS code W94029
3.2 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
- 0.0 miles
Pont Ceint
BCT · Ceint
- 0.0 miles
Pont Ceint
BCT · Ceint
- 0.7 miles
Pen yr Allt
BCT · Penmynydd
- 0.7 miles
Pen yr Allt
BCT · Penmynydd
- 1.4 miles
Hafan Deg
BCT · Talwrn