No.3 is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 30 September 1999. Residential.

No.3

WRENN ID
scattered-sandstone-ridge
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
30 September 1999
Type
Residential
Address
No.3, Llandwrog, Caernarfon
OS grid reference
SH 451 561
Coordinates
53.07988, -4.31318
Source
Cadw listing

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

Description

No. 3 is part of a terrace of three two-storey houses built in the simple Gothic style, which was popular with the Glynllifon Estate during this period. The houses are constructed from rubblestone with brick dressings, now covered in cement render, and feature slate roofs with coped verges. The street front of the main building has a balanced composition of five bays, with the center and outer bays designed as projecting gables that rise higher than the ridges of the inner bays.

The original pattern of windows and openings is mostly intact, with hoodmoulds present throughout, except for the first-floor windows of the inner bays, which are positioned directly below the eaves. The original windows remain on the right gable of No. 3, while the others were replaced in the late 20th century. The entrance to No. 2 is through a gabled porch located on the center gable, flanked by narrow windows. The entrances to Nos. 1 and 3 are accessed through set-back single-storey gable-ended sections at each end; No. 1 features a late 20th-century flat-roofed porch, while No. 3 has a late 20th-century lean-to porch in a similar position. The main building has three (formerly four) prominent reddish-brown brick ridge stacks with toothed paired and rebated shafts, moulded capping, and a collection of chimney pots, with two stacks to the right and one to the left of the center gable.

The interior was not inspected during the survey.

Local climate

No.3 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 1998
  • No related consent applications matched
  • 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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