11 Waterfall Street is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 29 August 2003. Cottage. 10 related planning applications.

11 Waterfall Street

WRENN ID
plain-vestry-azure
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
29 August 2003
Type
Cottage
Address
11 Waterfall Street, Llanrhaeadr-Ym-Mochnant Village, Llanrhaeadr-Ym-Mochnant, SY10 0JX
OS grid reference
SJ 123 261
Coordinates
52.82591, -3.30265
Source
Cadw listing

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

Description

This is a two-storey, two-window end-of-terrace cottage dating to the 18th century. It is constructed of irregularly coursed local shaley stone, with a roof of small slates. The eaves and verge project moderately, and there is a brick end-chimney on the left side. A later lean-to extension, built using similar materials, extends from the rear. A low stone garden wall runs along the front and left side, and a taller stone yard wall, incorporating a doorway to the rear, is also present. The upper-floor windows are simple two-light casements. The ground-floor windows are larger two-light windows with Gothic-style iron glazing bars. A modern semi-glazed door is centrally located, slightly to the right, and is sheltered by a simple canopy.

Local climate

11 Waterfall Street sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.

It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 25 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 — 25 transactions since 1995
  • Related listed building consents — 10 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
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