91, 93 Sinclair Street, Helensburgh is a Grade C listed building in the Argyll and Bute local planning authority area, Scotland. First listed on 30 June 1993. Villa. 1 related planning application.

91, 93 Sinclair Street, Helensburgh

WRENN ID
patient-window-poplar
Grade
C
Local Planning Authority
Argyll and Bute
Constituency
Argyll, Bute and South Lochaber MP: Brendan O'Hara (SNP)
Country
Scotland
Date first listed
30 June 1993
Type
Villa
Address
91, 93 Sinclair Street, Helensburgh, G84 8TX
OS grid reference
NS 297 825
Coordinates
56.00585, -4.73269
Source
Historic Environment Scotland listing

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

Description

91 and 93 Sinclair Street in Helensburgh is an earlier 19th-century, two-storey, three-bay flatted villa featuring classical details. The building is constructed of cream rubble, painted on the north and south elevations, with ashlar margins. It has a base course, raised margins around the windows, pilaster-quoins, and a cornice.

On the south elevation, there is a corniced doorway at the center with a modern fanlit door. Flanking this are windows at the ground level, and there are three regular windows on the first floor. The east elevation facing Sinclair Street has a window at both the ground and first floors on the outer left side.

The north elevation features a gabled bay at the center with a curved staircase leading to a corniced doorway on the first floor. There is a flat-roofed addition to the left, with irregular windows at the ground level and one window on both the outer right and left sides of the first floor. The interior has not been seen.

The villa has plate glass sash and case windows, a grey slate roof with ashlar coped skews, and a taller ashlar stack on the left gable. There are also two flat-roofed, slate-hung dormers with a rooflight between them on the south and north elevations.

The boundary wall is made of rubble, with square-plan piers that have rounded caps.

Local climate

91, 93 Sinclair Street, Helensburgh sits in one of the wettest parts of the UK, with an average of 1,870 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.

It experiences an average of 59 freeze-thaw cycles a year, more than 98% of listed buildings. Of these, 37 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 — 1 application
  • 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. 5 West Argyle Street, Helensburgh Grade C 16 m
  2. St Columba Church, Sinclair Street, Helensburgh Grade B 71 m
  3. Columba Church Hall, King Street West, Helensburgh Grade C 73 m
  4. Baptist Church, King Street East, Helensburgh Grade B 103 m
  5. Victoria Halls, Sinclair Street, Helensburgh Grade B 112 m
  6. Rosemount, 10 Argyle Street West, Helensburgh Grade C 118 m
  7. Strathclyde Regional Council Registry Office, 25, 27 King Street West, Helensburgh Grade C 128 m
  8. 9 Argyle Street East, Helensburgh Grade C 130 m
  9. Rosemount House Coach House, 54 Colquhoun Street, Helensburgh Grade C 132 m
  10. 14, 16 Princes Street West, Helensburgh Grade B 193 m