Canal Workshops, Clachnaharry Lock, Caledonian Canal, Inverness is a Grade B listed building in the Highland local planning authority area, Scotland. First listed on 22 December 1976.

Canal Workshops, Clachnaharry Lock, Caledonian Canal, Inverness

WRENN ID
ghost-loggia-storm
Grade
B
Local Planning Authority
Highland
Constituency
Inverness, Skye and West Ross-shire MP: Mr Angus MacDonald (LD)
Country
Scotland
Date first listed
22 December 1976
OS grid reference
NH 648 465
Coordinates
57.4889, -4.25593
Source
Historic Environment Scotland listing

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

Description

The complex comprises a former smithy and workshops constructed circa 1810, with enlargements circa 1840-50, during the early years of the Caledonian Canal’s construction. Matthew Davidson, the resident engineer, was responsible for their creation. The buildings are rubble-built with slate roofs, facing the Caledonian Canal.

The workshops are a long, roughly L-plan rectangular building with predominantly blocked window openings. A modern viewing tower has been added to the canal-side elevation. A hinged door with curved ashlar jambs remains in place. A small bellcote, a modern replica of an earlier 19th-century design, sits at the junction of the return. A lanterned ridge ventilator is present, along with a high-level loading door to the street elevation. The courtyard elevation is largely timber-boarded, partially replaced by blockwork encasing cast iron columns with bell capitals; the interior is visible through this replacement. Fenestration on the courtyard elevation consists of a variety of irregular timber casements. Internally, a long workshop features kingpost roof trusses and a later 3 ton Wharton travelling crane.

The smithy is roughly rectangular in plan with a canted south end and entrance door, situated adjacent to the workshops and returning to Clachnaharry Road. Five timber-shuttered bays face the canal. A lean-to extension with a gabled “taking in” door to the loft is present at the north, along with two modern windows and a ridge ventilator to the southeast. External brick chimney stacks have been removed, and the slate roof to the northwest appears modern. The interior is divided into two areas: a disused smithy currently used as storage, and a modern office. Two large hearths for forging remain, one with a stone hearth, stone and brick chimney, and a cast iron hood; the other with a stone chimney, cast iron hearth and hood marked 'Keith Blackman Ltd, London'. Two anvil blocks of different heights are positioned between the forges, and there are workbenches against the northeast wall. The internal walls are covered in wooden battens with hooks originally for blacksmith’s tools, which have been removed. Large timber boards partially cover the forge area floor. A floored attic space is accessed via a stair from the forge area, and timber windows are throughout.

The interiors of both buildings were inspected in 2013 and are relatively unaltered, with whitewashed rubble walls. The former smithy is disused, and the workshops were in use by joiners at that time. Some alterations and upgrading were carried out to the workshop buildings in 2004.

Local climate

Canal Workshops, Clachnaharry Lock, Caledonian Canal, Inverness sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 52% of listed buildings.

It experiences an average of 54 freeze-thaw cycles a year, more than 95% of listed buildings. Of these, 36 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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Nearby listed buildings

  1. 1 High Street, Clachnaharry Road Grade B 40 m
  2. Smithy, Canal Workshops, Clachnaharry Lock, Caledonian Canal Grade B 41 m
  3. 3 High Street, Clachnaharry Road Grade B 47 m
  4. Clachnaharry Railway Swing Bridge, Caledonian Canal, Inverness Grade B 60 m
  5. Dunolly, Clachnaharry Road, Clachnaharry, Inverness Grade C 63 m
  6. Signal Box, Clachnaharry Station, Inverness Grade B 63 m
  7. Former Clachnaharry Public School, Clachnaharry High Street Grade C 92 m
  8. Inverness, Clachnaharry Road, Plaque In Boundary Wall Only Grade C 135 m
  9. Clan Battle Monument, Clachnaharry Grade C 333 m
  10. Lock Keeper's House, Clachnaharry Sea Lock, Caledonian Canal, Inverness Grade C 440 m