Former Retort House is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 20 March 1998. House - terrace. 3 related planning applications.
Former Retort House
- WRENN ID
- errant-oriel-thunder
- Grade
- II
- Local Planning Authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
- Country
- Wales
- Date first listed
- 20 March 1998
- Type
- House - terrace
- Address
- Former Retort House, Leighton, Forden, Forden with Leighton and Trelystan
- OS grid reference
- SJ 240 059
- Coordinates
- 52.64628, -3.12446
- Source
- Cadw listing
Description
This is a former retort house, likely dating to the 18th century, with a continuous outshut to the left and a further outshut set back to the right. The building is constructed of brick, with slate roofs. The main range has a pyramidal roof, topped with a vent fitted with continuous louvres and a smaller pyramidal roof. The outshuts have catslide roofs; the outshut to the right has a more recent skylight inserted. The main range features a large round-headed doorway, flanked on either side by two tall, narrow, round-headed vents that have been bricked up. To the left, within the outshut, is a wide doorway set beneath a segmental arch. Four similar round-headed vents, now bricked up, are present to the rear of the main range. Inside the main range, the brick floors retain the shadows of brick retorts. The outshut to the right has a concrete floor.
Local climate
Former Retort House receives an average of 860 mm of rain a year. This makes it wetter than 61% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 55% of listed buildings.
It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 24 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 — 2 transactions since 2000
- Related listed building consents — 3 applications
- 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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