Hafan is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 1 April 1974. Cottage. 1 related planning application.

Hafan

WRENN ID
high-loggia-crimson
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
1 April 1974
Type
Cottage
Address
Hafan, 2 Y Graig (Sunnyside), Tremadog, Porthmadog, LL49 9RL
OS grid reference
SH 560 402
Coordinates
52.93987, -4.14317
Source
Cadw listing

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

Description

Hafan comprises a pair of two-storey cottages constructed from blocks of quarried stone laid in regular courses, with stone lintels, a renewed slate roof, and stone stacks to the right of each cottage. Number 1 is double-fronted, with a replacement half-glazed door and overlight at the central entrance. The windows are 2-pane sashes, replacements in original openings, and are shorter in the upper storey. Number 2 is a four-window house. It has a replacement door and overlight to the right of the centre, and all its windows are replacements in earlier openings. To the right of the entrance doorway is a former doorway that has been converted into a window, and there is a smaller window at the end of the elevation. To the left of the entrance is a small window, a window within a former doorway, and a blocked small window at the left end. The upper storey has four windows. A pebble-dashed gable end on the left-hand side features an inserted window in the lower storey. These cottages are part of a group that also includes 1-2 Y Graig (Sunnyside), Tremadog.

Local climate

Hafan sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 follow 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 — 3 transactions since 2003
  • Related listed building consents — 1 application
  • 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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