No.2 (Tir Iarll) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 30 September 1999. House. 1 related planning application.

No.2 (Tir Iarll)

WRENN ID
white-forge-flax
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
30 September 1999
Type
House
Address
No.2 (Tir Iarll), Llandwrog, Caernarfon, LL54 5TE
OS grid reference
SH 451 561
Coordinates
53.07981, -4.31325
Source
Cadw listing

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

Description

No. 2, known as Tir Iarll, 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 is divided into 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, featuring hoodmoulds throughout, except for the first-floor windows of the inner bays that 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 on either side. The entrances to No. 1 and No. 3 are accessed through set-back single-storey gable-ended extensions at each end; No. 1 has a late 20th-century flat-roofed porch at the front angle, while No. 3 features a late 20th-century lean-to porch in a similar position. The main building is topped with three (formerly four) prominent reddish-brown brick ridge stacks that have toothed paired and rebated shafts, moulded capping, and a collection of chimney pots, with two stacks positioned to the right and one to the left of the center gable. The interior was not inspected during the survey.

Local climate

No.2 (Tir Iarll) 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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  • No EPC on record for this property
  • No sale records on file
  • 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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