Property market
The five-year median is £575,000 from 1 recorded sale in LL42 1DZ. 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.
LL42 1DZ
Abermaw · Gwynedd · Wales
Updated September 2026
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Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL42 1DZ
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL42
- Postcode sector
- LL42 1
- Latitude
- 52.752129
- Longitude
- -4.007613
- British National Grid easting
- 264,599
- British National Grid northing
- 319,057
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Abermaw · W05001508
- Parish or community
- W04000047
- Westminster constituency
- Dwyfor Meirionnydd · W07000096
- Output area
- W00000248
- Lower layer super output area
- Gwynedd 016F · W01002004
- Middle layer super output area
- Gwynedd 016 · W02000025
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 LL42
Property
8 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Bwlch Yr Ysgol, Caerdeon, Barmouth, LL42 1DZ | 19 July 2024 | £575,000 |
| Bwlch Goch Isaf, Caerdeon, Barmouth, LL42 1DZ | 12 March 2021 | £275,000 |
| Caemur Hywel, Caerdeon, Barmouth, LL42 1DZ | 3 December 2020 | £394,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 1
- Primary
- 0
- Secondary
- 0
- 4.7 km
Ysgol y Traeth
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 1
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Anti social behaviour 1
Census 2021
Population and age profile
- Postcode residents
- 12
- Postcode households
- 6
- Residents per household
- 2.0
- LL42 1 residents
- 2,182
6 female, 6 male
Age bands in LL42 1
Wider postcode sector- Age 0 to 14
- 16.4%
- Age 15 to 24
- 9%
- Age 25 to 44
- 20.5%
- Age 45 to 64
- 28.2%
- Age 65 and over
- 25.9%
352 residents
193 residents
440 residents
604 residents
555 residents
This postcode contained 0.5% of the sector's usual residents on Census Day. The age profile describes the wider LL42 1 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+
- 42.9%
- Ultrafast, 100 Mbit/s+
- 42.9%
- Ultrafast, 300 Mbit/s+
- 42.9%
- Gigabit-capable
- 42.9%
- Unable to receive decent fixed or FWA broadband
- 7.1%
- Next Generation Access
- 64.3%
- 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
1
within 5 km straight-line
MINFOR SURGERY
PARK ROAD, BARMOUTH, LL42 1PL
ODS code W94008
4.6 km
Nearby transport
- 1.4 miles
Ysgol Gynradd Bontddu
BCT · Bontddu
- 1.5 miles
Ysgol Gynradd
BCT · Bontddu
- 1.6 miles
Halfway House Hotel
BCT · Bontddu
- 1.6 miles
Halfway House Hotel
BCT · Bontddu
- 2.0 miles
Garthangharad Hospital
BCT · Arthog
Evidence in context
Schools
1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol y Traeth is the nearest published school at 2.9 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
1 published events cover 12 months, averaging 0.083 events per published month. The largest recorded category is Anti social behaviour with 1 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.