Glan Helen is a Grade II listed building in the Hounslow local planning authority area, England. First listed on 11 July 1951. House. 2 related planning applications.
Glan Helen
- WRENN ID
- quartered-pewter-birch
- Grade
- II
- Local Planning Authority
- Hounslow
- Constituency
- Brentford and Isleworth MP: Ruth Cadbury (Lab)
- Country
- England
- Date first listed
- 11 July 1951
- Type
- House
- Address
- Glan Helen, 1, the Upper Butts
- OS grid reference
- TQ 174 776
- Coordinates
- 51.4853, -0.30969
- Source
- Historic England listing
Description
Glan Helen is an early 18th-century building on The Upper Butts, Brentford. The two-storey and attic building is constructed of brown brick and features five double-hung sash windows with surrounds and cambered relieving arches. A modern door is set within a reeded surround, topped with a traceried fanlight and hood. The eaves have a modillion cornice, and the roof is covered in old red tiles, with two dormers. Internally, the building retains panelling and a staircase.
Local climate
Glan Helen sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 92% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 90% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 64% of listed buildings. Of these, 13 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 2014
- Related listed building consents — 2 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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