Customs House, Bowling Harbour, Forth And Clyde Canal is a Grade B listed building in the West Dunbartonshire local planning authority area, Scotland. First listed on 9 May 1993. Canal office, residential accommodation. 8 related planning applications.

Customs House, Bowling Harbour, Forth And Clyde Canal

WRENN ID
waning-rampart-plover
Grade
B
Local Planning Authority
West Dunbartonshire
Constituency
West Dunbartonshire MP: Douglas McAllister (Lab)
Country
Scotland
Date first listed
9 May 1993
Type
Canal office, residential accommodation
Address
Customs House, Bowling Harbour, Forth And Clyde Canal, G60 5AF
OS grid reference
NS 450 735
Coordinates
55.93003, -4.48111
Source
Historic Environment Scotland listing

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

Description

The Customs House at Bowling Harbour, built around 1800, is a two-storey, three-bay building with an attic and basement, designed in a symmetrical gabled Classical style. It serves as a canal office and residential accommodation, located at a strategic point at the head of the western entrance to the Forth and Clyde Canal. The exterior is finished in white harl with contrasting stone margins and band courses. A forestair leads to the entrance on the canal side, and there are a pair of piend-roofed attic dormers. The roof is covered with grey slates and features gable stacks. The windows are mainly 6-over 6-pane timber sash and case.

There is a later external stair at the rear providing access to the upper floor, along with a later porch that has decorative timber detailing.

The interior, last seen in 2013, includes offices on the ground floor and living accommodation above. The original room layout remains largely intact, featuring some internal details such as a timber fire surround, a timber recess, and an unusual bowed 6-panel timber door.

To the north of the Customs House is a square-plan brick store with a piended roof and a timber slatted door. The property is enclosed by boundary walls and gatepiers, including a coped wall to the south with a pair of capped square-plan gatepiers, and a low rubble wall to the west.

Local climate

Customs House, Bowling Harbour, Forth And Clyde Canal sits in one of the wettest parts of the UK, with an average of 1,410 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 90% of listed buildings.

It experiences an average of 48 freeze-thaw cycles a year, more than 90% of listed buildings. Of these, 27 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
  • Related listed building consents — 8 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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  4. Upper Basin, Bowling Basin, Forth And Clyde Canal Grade B 101 m
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  6. East Lock, Bowling Upper Canal Basin, Forth And Clyde Canal Grade B 158 m
  7. Bowling Lock-Keepers' Cottages, Forth And Clyde Canal Grade C 160 m
  8. Glenarbuck House Grade B 320 m
  9. Gavinburn Farm, Great Western Road, Old Kilpatrick Grade C 765 m
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