Railings of Enclosure of No 18a is a Grade II listed building in the South Norfolk local planning authority area, England. First listed on 8 June 1972. Railings.

Railings of Enclosure of No 18a

WRENN ID
broken-step-myrtle
Grade
II
Local Planning Authority
South Norfolk
Constituency
Waveney Valley MP: Adrian Ramsay (Green)
Country
England
Date first listed
8 June 1972
Type
Railings
Address
Railings of Enclosure of No 18a, Denmark Street, Diss
OS grid reference
TM 114 797
Coordinates
52.37483, 1.10516
Source
Historic England listing

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

Description

The railings enclosing No 18A on Denmark Street are early 19th century cast-iron railings set on a low wall. The enclosure has been recently extended.

Local climate

Railings of Enclosure of No 18a 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 98% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 17 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
  • No related consent applications matched
  • 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

  1. Masonic Hall Grade II 15 m
  2. 19, Denmark Street Grade II 58 m
  3. Walls and Gate Piers at Front Boundary at Oak Lodge Grade II 85 m
  4. 23 and 24, Denmark Street Grade II 106 m
  5. Oak Lodge Grade II 109 m
  6. 25, Denmark Street Grade II 110 m
  7. Denmark Street Hall Grade II 122 m
  8. Park Hotel Grade II 148 m
  9. Front Walls at Flanks of No 29 Grade II 159 m
  10. Entrance Piers of Linden House Grade II 166 m