Sewer Gas Exhaust Pipe Approximately 20 Metres South of Number 39 Leam Terrace is a Grade II listed building in the Warwick local planning authority area, England. First listed on 31 August 2007. Street furniture.

Sewer Gas Exhaust Pipe Approximately 20 Metres South of Number 39 Leam Terrace

WRENN ID
night-spindle-dew
Grade
II
Local Planning Authority
Warwick
Constituency
Warwick and Leamington MP: Matt Western (Lab)
Country
England
Date first listed
31 August 2007
Type
Street furniture
OS grid reference
SP 324 655
Coordinates
52.287, -1.52621
Source
Historic England listing

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

Description

The sewer gas exhaust pipe, approximately 20 meters south of No. 39 Leam Terrace in Royal Leamington Spa, is a decorative structure dating from around the early 19th century. Standing about 4 meters high, this cast iron pipe is circular in shape and features a tapering base adorned with mouldings and a frieze of lotus leaves. Towards the top, there is a second decorative section that includes an applied scallop detail and rows of knobbed details. An oval plate at the base displays the number 120.

Leam Terrace was built between 1828 and 1836 as part of the planned expansion of Leamington Spa, characterized by its wide street lined with Regency villas. The sewer system likely dates from this same period, suggesting that the installation of this and another sewer gas exhaust pipe was intended to vent dangerous gases accumulating in the sewers beneath the streets. Both pipes remain in their original locations.

This sewer gas exhaust pipe is designated for its intact and decorative design, representing a rare type of street furniture, its early role in the development of underground sewage systems, and its strong group value with the other sewer gas exhaust pipe and the listed Regency villas along Leam Terrace, all part of the town's early 19th-century expansion.

Local climate

Sewer Gas Exhaust Pipe Approximately 20 Metres South of Number 39 Leam Terrace receives an average of 760 mm of rain a year. This makes it drier than 67% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 67% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 66% 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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