21 Hill Street, Irvine is a Grade C listed building in the North Ayrshire local planning authority area, Scotland. First listed on 2 December 1980. Tenement.

21 Hill Street, Irvine

WRENN ID
half-iron-larch
Grade
C
Local Planning Authority
North Ayrshire
Constituency
Central Ayrshire MP: Alan Gemmell (Lab)
Country
Scotland
Date first listed
2 December 1980
Type
Tenement
OS grid reference
NS 320 388
Coordinates
55.61424, -4.66805
Source
Historic Environment Scotland listing

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

Description

21 Hill Street in Irvine is an early 19th-century, two-storey tenement situated on a corner site with sloping ground. The building is constructed from squared rubble, featuring ashlar and droved ashlar dressings, and is painted. It has quoin strips, painted margins, and an eaves band.

On the ground floor, there are five openings: a central door accessed by steps, flanked by windows, with an additional window in the outer bay to the right and a broad door in the outer bay to the left. The first floor has three windows that are nearly regularly spaced. The return elevation facing Bridgegate includes two widely spaced windows at the ground floor and a broad stack at the gable head. There are also additions to the rear.

The windows are 12-pane timber sash and case style, and the roof is covered with grey slates, featuring an end stack.

Local climate

21 Hill Street, Irvine sits in one of the wettest parts of the UK, with an average of 1,450 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 24 freeze-thaw cycles a year, fewer than 74% of listed buildings. Of these, 12 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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  • 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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  1. 19 Hill Street, Irvine Grade B 10 m
  2. 17 Hill Street, Irvine Grade C 18 m
  3. 15 Hill Street, Irvine Grade C 25 m
  4. 13 Hill Street, Irvine Grade C 34 m
  5. 20 Hill Street, Irvine Grade C 47 m
  6. 7 Hill Street, Irvine Grade C 51 m
  7. 5 Hill Street, Irvine Grade C 61 m
  8. Trinity Free Church, Bridgegate, Irvine Grade A 64 m
  9. 3 Hill Street, Irvine Grade C 67 m
  10. 14 Hill Street, Irvine Grade B 70 m