Seiriol · Isle of Anglesey · Wales
Updated September 2026
Compare this postcode| Address | Date | Price |
|---|---|---|
| Glanffrwd, Llansadwrn, Menai Bridge, LL59 5SF | 29 January 2024 | £250,000 |
Within 3.1 miles of this postcode
Treffos School
Welsh establishment
Ysgol Gymuned Pentraeth
Welsh establishment
Ysgol Gynradd Llandegfan
Welsh establishment
Within 1 mile of this postcode
Census 2021
9 female, 9 male
754 residents
509 residents
1,096 residents
1,486 residents
1,382 residents
This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider LL59 5 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.
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
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.
Garnedd Wen
BCT · Pen-y-garnedd
Garnedd Wen
BCT · Pen-y-garnedd
Llansadwrn Hall
BCT · Llansadwrn
Llys yr Ysgol
BCT · Llansadwrn
Brynteg
BCT · Llansadwrn
The five-year median is £250,000 from 1 recorded sale in LL59 5SF. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Isle of Anglesey is £239,726 in June 2026, up 6.7% year on year.
6 open schools are in scope, including 0 primary and 0 secondary schools. Treffos School is the nearest published school at 0.8 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
16 published events cover 12 months, averaging 1.333 events per published month. The largest recorded category is Violence and sexual offences with 10 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.