Post Bach is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 January 2001. Terrace of cottages.
Post Bach
- WRENN ID
- vast-spindle-elm
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 31 January 2001
- Type
- Terrace of cottages
- Address
- Post Bach, 10 Church Street, Llandderfel, Bala
- OS grid reference
- SH 982 370
- Coordinates
- 52.92108, -3.51545
- Source
- Cadw listing
Description
Nos 8-12 Church Street in Llandderfel is a two-storey terrace of five single-unit cottages, with each unit featuring a single window, except for no. 8, which has two windows and provides access to a rear yard. The cottages are built from local slatestone rubble, with slatestone lintels and a slate roof that steps up slightly at no. 9 and continues from there. They have shared rubble chimneys, with an additional end chimney at no. 8, and include weathercoursing and slate cornice bands.
Each unit, except for no. 8, has an entrance with a single window to either the right or left on both the ground and first floors, while the entrance for no. 11 is located on the left. The doors are boarded, with glazed panels on nos. 9 and 12, and a modern glazed door at no. 8. Nos. 9 and 12 feature 19th-century horned 9-pane sash windows on both floors, with the first-floor window of no. 12 breaking the eaves and set within a small gabled wooden dormer; this unit is also rendered. No. 8 retains original unhorned 12-pane sash windows. Nos. 10 and 11 have 9-pane sashes on their first floors, with larger small-pane windows on the ground floors—15-pane for no. 11 and 12-pane for no. 10, which also has an inserted narrow 8-pane window to its left. Both nos. 10 and 11 still have narrow rectangular overlights above their doors, an original feature.
The interior was not inspected during the survey.
Local climate
Post Bach 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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- No EPC on record for this property
- Sale history — 2 transactions since 2003
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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