Ventilation Standard and Bollards at Junction with Carnaby Street Approach is a Grade II listed building in the Westminster local planning authority area, England. First listed on 1 December 1987. Ventilation standard. 3 related planning applications.
Ventilation Standard and Bollards at Junction with Carnaby Street Approach
- WRENN ID
- north-wattle-hyssop
- Grade
- II
- Local Planning Authority
- Westminster
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 1 December 1987
- Type
- Ventilation standard
- Address
- Ventilation Standard and Bollards at Junction with Carnaby Street Approach, Great Marlborough Street W1, City of Westminster, W1F 7JF
- OS grid reference
- TQ 291 811
- Coordinates
- 51.51413, -0.1395
- Source
- Historic England listing
Description
The ventilation standard and bollards at the junction with Carnaby Street approach are located on Great Marlborough Street in the City of Westminster. This late 19th-century structure features a circular section cast iron standard with moulded decoration, resting on a pierced square base. Above the base, it supports a Nico lantern topped with a finial. The standard serves to vent the public conveniences located on the traffic island. At each of the three corners of the island, there are later 19th-century cast iron bollards, which have battered square bases and acorn finials.
Local climate
Ventilation Standard and Bollards at Junction with Carnaby Street Approach sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 57% of listed buildings. Of these, 16 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 — 1 transaction since 2018
- 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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