Tegfan is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 January 2001. Terraced house.

Tegfan

WRENN ID
distant-stair-claret
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
31 January 2001
Type
Terraced house
Address
Tegfan, 1 Chapel Row, Llandderfel, Bala
OS grid reference
SH 982 369
Coordinates
52.9205, -3.51537
Source
Cadw listing

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

Description

Tegfan is a two-storey terrace of six one-window units located at Nos 1-6 Chapel Row in Llandderfel. The building is constructed from local slatestone rubble, featuring slatestone lintels and rough-dressed quoins on No. 1. It has a continuous slate roof with a tiled ridge and shared brick chimneys, except for the left chimney, which has restored upper courses. Each unit has an entrance with a single window either to the right or left on both the ground and first floors. The entrances for Nos. 1, 2, and 4 are on the left, while Nos. 3, 5, and 6 have their entrances on the right. Nos. 5 and 6 still have their original flush four-panel doors, and there is a similar door on the far right leading to a rear yard; the other doors are modern and part-glazed. Nos. 1, 3, 4, and 5 retain narrow rectangular overlights, which are original features. All units, except No. 2 and the ground-floor window of No. 3, have original recessed, unhorned 12-pane sash windows; No. 3 has a modern wooden bow window instead. Additionally, there is a modern slated canopy porch on No. 3. The interior was not inspected during the survey.

Local climate

Tegfan sits in a wetter-than-average part of the UK, with an average of 1,120 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.

It experiences an average of 54 freeze-thaw cycles a year, more than 95% of listed buildings. Of these, 34 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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  • Sale history — 1 transaction since 2020
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  • 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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