Tunnel Below A36 in the Grounds of Bishopstrow House is a Grade II listed building in the Wiltshire local planning authority area, England. First listed on 11 November 1976. Tunnel. 5 related planning applications.

Tunnel Below A36 in the Grounds of Bishopstrow House

WRENN ID
quartered-chimney-swift
Grade
II
Local Planning Authority
Wiltshire
Constituency
South West Wiltshire MP: Dr Andrew Murrison (Con)
Country
England
Date first listed
11 November 1976
Type
Tunnel
Address
Tunnel Below A36 in the Grounds of Bishopstrow House, Warminster Road
OS grid reference
ST 896 441
Coordinates
51.19645, -2.14891
Source
Historic England listing

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

Description

The tunnel below the A36 in the grounds of Bishopstrow House dates from 1815 and features north and south portals. The date is inscribed on the keystones of the portals. The tunnel is built of English garden wall bond brick and has a segmental barrel vault. The portals are round-arched and made of vermiculated ashlar, with large voussoirs and keystones that are incised with "WT/1815," referring to William Temple. This tunnel was constructed to connect Bishopstrow House, located on the north side of the road, with the gardens of an earlier house to the south, which was also built for William Temple.

Local climate

Tunnel Below A36 in the Grounds of Bishopstrow House receives an average of 840 mm of rain a year. This makes it wetter than 57% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 60% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, more 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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  • No EPC on record for this property
  • Sale history — 6 transactions since 1995
  • Related listed building consents — 5 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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Nearby listed buildings

  1. Low Wall to Road Enclosing Grounds of Bishopstrow House South of A36 Grade II 28 m
  2. Summer House in Grounds of Bishopstrow House Grade II 64 m
  3. Temple in the Grounds of Bishopstrow House Grade II 82 m
  4. Knapp Farmhouse Grade II 88 m
  5. Bridge Over River in Grounds of Bishopstrow House, South of A36 Grade II 117 m
  6. Garden Walls Enclosing Orchard in the Grounds of Bishopstrow House and the Coach House Grade II 119 m
  7. Pump House with Boathouse in Grounds of Bishopstrow House Grade II 164 m
  8. Bishopstrow House Hotel Grade II 165 m
  9. The Coach House Grade II 178 m
  10. Bishopstrowe Mill Grade II 182 m