Boundary Wall to Syon Park is a Grade II listed building in the Hounslow local planning authority area, England. Boundary wall. 1 related planning application.

Boundary Wall to Syon Park

WRENN ID
steep-roof-willow
Grade
II
Local Planning Authority
Hounslow
Constituency
Brentford and Isleworth MP: Ruth Cadbury (Lab)
Country
England
Type
Boundary wall
Address
Boundary Wall to Syon Park, Park Road, TW7 6AQ
OS grid reference
TQ 165 765
Coordinates
51.47559, -0.32266
Source
Historic England listing

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

Description

The boundary wall to Syon Park is a Grade II listed structure located along Park Road. The wall is approximately 1,000 metres long and extends from the Duchess's Gateway on London Road, flanking either side of the Lion Gate, and continues down Park Road to within ten metres of the current main entrance for motor vehicles. While some sections of the wall date back to the 17th century, much of it was constructed in the 1750s along London Road and in the 1820s when Park Road was developed. The wall is built of yellow stock brick, with red brick indicating the earlier work, and it stands about two metres high, featuring replaced and repointed copings.

Local climate

Boundary Wall to Syon Park 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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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 1 application
  • 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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Nearby listed buildings

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  5. Ornamental Bridge in Syon Park Over Pond Near Entrance Gates Grade II 291 m
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