Main Gates,Octagonal Lodge,Walls,East Lodge and Service Gates to North Mymms Park is a Grade II listed building in the Welwyn Hatfield local planning authority area, England. First listed on 30 March 1966. Gates, lodge, walls. 2 related planning applications.

Main Gates,Octagonal Lodge,Walls,East Lodge and Service Gates to North Mymms Park

WRENN ID
dreaming-bailey-lark
Grade
II
Local Planning Authority
Welwyn Hatfield
Constituency
Welwyn Hatfield MP: Andrew Lewin (Lab)
Country
England
Date first listed
30 March 1966
Type
Gates, lodge, walls
Address
Main Gates,Octagonal Lodge,Walls,East Lodge and Service Gates to North Mymms Park, Tollgate Road
OS grid reference
TL 223 046
Coordinates
51.7273, -0.23027
Source
Historic England listing

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

Description

The main gates, octagonal lodge, walls, east lodge, and service gates to North Mymms Park were built between 1893 and 1894 by Sir Ernest George and Yates. The gates on the right feature elaborate wrought iron work, including central double gates and single side gates set within screens. They are adorned with large overthrows, grotesque decorations, and acanthus ornamentation. The stone gate piers are designed with banded Ionic pilasters and topped with scrolled ball finials.

On the left, there is a large octagonal lodge made of diapered red brick with stone dressings, standing two storeys tall. It has two and three-light mullioned windows with arched lights and a plain tile pyramid roof with a central stack. The wall to the left of the lodge includes miniature gablets at intervals. Further left is a simpler gate lodge featuring two gabled roofs and three-light windows. The group concludes with wooden service gates, flanked by brick gate piers banded in stone and topped with stone ball finials.

Local climate

Main Gates,Octagonal Lodge,Walls,East Lodge and Service Gates 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • No sale records on file
  • 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
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