Lower House is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 26 October 1953. House.

Lower House

WRENN ID
guardian-step-clover
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
26 October 1953
Type
House
Address
Lower House, Trelystan, Forden with Leighton and Trelystan
OS grid reference
SJ 266 036
Coordinates
52.6254, -3.08533
Source
Cadw listing

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

Description

Lower House is a one-and-a-half storey house built in an L-plan, featuring a main range with a rear wing and a single-storey wing added to the rear. The house is timber-framed in square panels with brick nogging painted white and has a slate roof. There is an external stack on the right side and an axial stack to the left of the center. The main range consists of two units, with an additional unit on the left that has a separate entrance.

The house has three dormers, each with 2-light small-pane casements, while the lower storey windows are 3-light casements with transoms. The front door is boarded with an inserted glass panel. In the left unit, there is a boarded door on the right and a 2-light casement window on the left. The left gable features a 2-light iron-frame casement window. At the rear of the main range, there are blocked openings and renewed framing, with a 2-light casement beneath the wall plate and a fixed light below it.

The rear wing has a 4-light mullioned casement in the attic and a 2-light window below, similar to those in the main range. The right lateral wall is roughcast and painted black and white. The single-storey wing has an end brick stack and a lean-to on the gable end, which is made of modern brick but shows earlier stonework. This wing also has 2-light casements in the lateral walls. Inside, the main range features a central stair hall and a dog-leg stair.

Local climate

Lower 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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  • No EPC on record for this property
  • Sale history — 1 transaction 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
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