23 Post Office Terrace is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 8 February 1999.

23 Post Office Terrace

WRENN ID
gentle-groin-peregrine
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
8 February 1999
Address
23 Post Office Terrace, Abererch, Pwllheli, Llannor
OS grid reference
SH 398 366
Coordinates
52.90343, -4.383
Source
Cadw listing

Also on this page: sale history · EPC · flood risk · radon risk · weather exposure · detailed attributes ↓

Local climate

23 Post Office Terrace sits in one of the wettest parts of the UK, with an average of 1,670 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.

It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 1 follows at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 1 transaction since 1998
  • No related consent applications matched
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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Nearby listed buildings

  1. Seibiant Grade II 5 m
  2. 24 Post Office Terrace Grade II 5 m
  3. Awelon Grade II 9 m
  4. 20 Post Office Terrace Grade II 15 m
  5. 19 Post Office Terrace Grade II 19 m
  6. Rhydelen Grade II 29 m
  7. 17 New Row Grade II 34 m
  8. 16 New Row Grade II 39 m
  9. 15 New Row Grade II 44 m
  10. Morawel Grade II 60 m