26 Segontium Terrace, including forecourt railings is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 March 1983. House. 1 related planning application.
26 Segontium Terrace, including forecourt railings
- WRENN ID
- iron-jade-tallow
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 31 March 1983
- Type
- House
- Address
- 26 Segontium Terrace, including forecourt railings, Caernarfon, LL55 2PH
- OS grid reference
- SH 480 625
- Coordinates
- 53.13803, -4.27263
- Source
- Cadw listing
Description
This is a late Georgian terrace of seven 3-storey, 2-bay houses with basements. The front elevations are rendered, while the rear walls are of exposed rubble stone. Some of the houses retain original moulded architraves around the windows. The slate roofs slope to the rear, and each house has a brick or roughcast chimney stack on the right-hand side. The doorways are on the left-hand side and are accessed by steps. Many of the houses retain original iron railings set on a low stone wall, with replacement gates leading to the basement steps. The railings feature trident finials and urn finials on the stanchions. One house has a late 19th-century roughcast front, with earlier keyed moulded architraves to its 4-pane sash windows. An open, hipped-roof porch with a round arch has been added, while the original doorway features a fielded-panel door with an inserted glazed panel and a replaced overlight. The original railings are retained, with a replaced gate.
Local climate
26 Segontium Terrace, including forecourt railings sits in one of the wettest parts of the UK, with an average of 1,370 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 98% of listed buildings.
It experiences an average of 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2021
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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