Cae Llenor is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 March 1983. A Georgian House. 1 related planning application.

Cae Llenor

WRENN ID
north-mullion-ash
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
31 March 1983
Type
House
Period
Georgian
Address
Cae Llenor, Caernarfon, LL55 2HH
OS grid reference
SH 482 624
Coordinates
53.13791, -4.27071
Source
Cadw listing

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

Description

Cae Llenor is a late Georgian style house featuring three bays and two storeys, along with an attic and basement. The front is symmetrical and finished in scribed stucco, topped with a hipped slate roof that has wide bracketed eaves. There are roughcast stacks on both the right and left sides. The central bay is slightly projected forward and includes a doorway framed by Ionic pilasters and a moulded entablature, although the door itself has been replaced. The lower storey features tripartite small-pane hornless sash windows, while the upper storey has 12-pane hornless sash windows. To the right, there is a lean-to that belongs to a separate property, and on the left side, there are boarded garage doors leading to a lean-to behind a high coped wall.

The rear of the house is also symmetrical, with central double half-lit panelled doors that have margin glazing and a raised field above. The outer bays contain tripartite horned sashes above replaced basement windows, and the upper storey mirrors the front with 12-pane hornless sash windows. A gabled dormer located to the left of centre features a top-hung casement.

The original layout of the house has been preserved, which includes the main rooms on the ground floor, a kitchen in the basement, and service rooms in the attic. The main entrance opens into a vestibule that has a classical plaster cornice and a round arch leading to a stair hall at the back. This stair hall retains a full-height open-well stair with a wreathed handrail, plain balusters, and moulded tread ends. All doors were replaced when the house was converted into offices.

Local climate

Cae Llenor 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 — 2 transactions since 1995
  • 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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