Viaduct Bridge at Tq 2692 8652 is a Grade II listed building in the Camden local planning authority area, England. First listed on 11 January 1999. A Victorian Bridge.

Viaduct Bridge at Tq 2692 8652

WRENN ID
iron-portal-thistle
Grade
II
Local Planning Authority
Camden
Constituency
Hampstead and Highgate MP: Tulip Siddiq (Lab)
Country
England
Date first listed
11 January 1999
Type
Bridge
Period
Victorian
Address
Viaduct Bridge at Tq 2692 8652, Hampstead Heath
OS grid reference
TQ 269 865
Coordinates
51.56336, -0.17031
Source
Historic England listing

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

Description

The viaduct bridge, built around 1845, was designed by Joseph Gwilt for Sir Thomas Maryon Wilson. It is constructed of red brick with stone dressings and features five tall arches with stone impost bands and heads, along with small transverse arches that support a bracketed stone cornice and parapet. The south side has iron railings, while the north side is capped with stone. The bridge is flanked by channelled stone piers and has brick abutments. Historically, Sir Thomas Maryon Wilson, who was the lord of the manor of Hampstead, aimed to develop his East Park estate with exclusive villas. However, the viaduct bridge was the only part of this plan that was ever built, leading to it being referred to as "Wilson's Folly," as he was unable to secure Parliamentary authority for enclosing his land.

Local climate

Viaduct Bridge at Tq 2692 8652 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 98% 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 30 freeze-thaw cycles a year, fewer than 66% 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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