Bridge to Main Entrance to North Mymms Park is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 9 December 1983. Bridge.

Bridge to Main Entrance to North Mymms Park

WRENN ID
gilded-gable-nightshade
Grade
II
Local Planning Authority
Welwyn Hatfield
Constituency
Welwyn Hatfield MP: Andrew Lewin (Lab)
Country
England
Date first listed
9 December 1983
Type
Bridge
Address
Bridge to Main Entrance to North Mymms Park, Tollgate Road
OS grid reference
TL 222 046
Coordinates
51.72745, -0.23126
Source
Historic England listing

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

Description

The bridge to the main entrance of North Mymms Park was built between 1893 and 1894 by Sir Ernest George and Yates. It features red brick construction with stone quoins and coping, as well as arches with stone surrounds and triangular bastions on the southwest side. The flanking walls are adorned with terminal obelisks and scrolls, complementing the main gates and octagonal lodge nearby.

Local climate

Bridge to Main Entrance to North Mymms 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 91% 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 33 freeze-thaw cycles a year, fewer than 54% of listed buildings. Of these, 15 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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