No.1 Cae'r Llwyn Cottages is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 29 May 1968. Cottages.

No.1 Cae'r Llwyn Cottages

WRENN ID
peeling-vault-blackthorn
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
29 May 1968
Type
Cottages
Address
No.1 Cae'r Llwyn Cottages, Llandwrog, Caernarfon, LL54 5SU
OS grid reference
SH 451 558
Coordinates
53.0776, -4.31331
Source
Cadw listing

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

Description

No. 1 Cae'r Llwyn Cottages is part of a row of six single-storey cottages built in a picturesque style. The cottages are constructed from irregularly coursed rubblestone, featuring large quoins and reddish brown brick segmental heads with dripmoulds. The left cottage, No. 1, has been pebbledashed, while the others have slate roofs, with only the right cottage, No. 6, retaining the original graded slates. The roofs extend over low-eaved lean-to verandahs.

The cottages are symmetrically arranged with a pattern of 1: 2: 2: 2: 2: 2: 1 bays. This includes single-bay projecting gabled end sections and 2-bay sections under the verandah, alternating with 2-bay hip-roofed projections. Most of the wooden windows are original, featuring three lights with simple pointed Gothic tracery and hollow spandrels, except for No. 1, which has plastic windows and an infilled verandah. The verandahs of the other cottages retain their original open form, although several posts have been renewed. The best-preserved verandah is at No. 6, where the original rustic posts and braces remain.

There are rendered ridge stacks to the left and right of the gabled end sections, with the one at No. 1 being rebuilt. Paired ridge stacks are located between Nos. 1 and 2, and Nos. 3 and 4, though the latter has been demolished. The ridge stack between Nos. 5 and 6 remains, along with shared ridge stacks between Nos. 2 and 3, and Nos. 4 and 5 on the hipped projections. A flat-roofed dormer has been inserted into No. 3. The interior was not inspected at the time of the survey.

Local climate

No.1 Cae'r Llwyn Cottages 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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  • Detailed attributes — period, style, materials, features
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  • 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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