Gateway and Quadrant Walls Leading to Twyn yr Hydd is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 24 February 1975. Gateway.
Gateway and Quadrant Walls Leading to Twyn yr Hydd
- WRENN ID
- deep-string-lark
- Grade
- II
- Local Planning Authority
- Neath Port Talbot
- Constituency
- Aberafan Maesteg MP: Stephen Kinnock (Lab)
- Country
- Wales
- Date first listed
- 24 February 1975
- Type
- Gateway
- Address
- Gateway and Quadrant Walls Leading to Twyn yr Hydd, Margam
- OS grid reference
- SS 810 850
- Coordinates
- 51.55219, -3.71713
- Source
- Cadw listing
Description
The gateway and quadrant walls leading to Twyn yr Hydd are built from rusticated ashlar stone. The gate piers feature moulded cap stones topped with ball finials on pedestals, set on plinths with a moulded top edge. The internal sides have jambs. The double cast iron gates have top rails that sweep down, adorned with scroll work below and raised scrolls in the centre and towards the ends. The uprights are finished with pointed finials, and there is a lock bar with additional uprights that rise to form scrolls. Low dog rails are topped with chevroned finials. Curved quadrant wings made of snecked rock-faced stone with saddleback coping flank the piers. Square end piers have flat capstones with moulded undersides. The park boundary wall extends from this point, constructed of random rubble and topped with rough saddleback coping.
Local climate
Gateway and Quadrant Walls Leading to Twyn yr Hydd sits in one of the wettest parts of the UK, with an average of 1,220 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 23 freeze-thaw cycles a year, fewer than 76% 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
- 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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