Gateway and Screen Walls to Rhiwlas is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 January 2001. Gateway.

Gateway and Screen Walls to Rhiwlas

WRENN ID
quiet-floor-pine
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
31 January 2001
Type
Gateway
Address
Gateway and Screen Walls to Rhiwlas, Llandderfel
OS grid reference
SH 929 362
Coordinates
52.91341, -3.59336
Source
Cadw listing

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

Description

The entrance gateway to Rhiwlas is designed in the Castellated Gothic style and features flanking railed screen sections. Constructed from dressed limestone, the gateway includes a pointed-arched entrance situated between two octagonal turrets. The arch is slightly recessed beneath a segmental arch that has blind shields in its spandrels, topped with a faux-machicolated and crenellated parapet. The turrets rise above the central arch and are similarly castellated, each displaying blind slit-lights on two stages at the front and rear, as well as a chamfered plinth. Originally, the gates were wooden but were replaced in the mid-20th century with 19th-century cast iron gothic gates. The screen sections consist of simple cast iron spear-headed railings mounted on a chamfered stone plinth, with plain terminating piers at both ends; the inner piers abut the gateway and feature sloped copings.

Local climate

Gateway and Screen Walls to Rhiwlas sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.

It experiences an average of 53 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 33 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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