Swansea Mawr are able to speak Welsh, as can 38% of the ward of Pontarddulais. Clydach, Kingsbridge and Upper Loughor all have levels of more than 20%. By contrast, the urban St. Thomas has one of the lowest figures in Wales, at 6.4%, a figure only barely lower than Penderry and Townhill wards. Local produce includes: The city has three Grade One listed buildings: Swansea Castle, the Tabernacle Chapel, Morriston and the Swansea Guildhall. Swansea Castle was an impressive building occupying a strategic position above the River Tawe. The ruins that are visible today date from the late 13th and early
Swansea existing mosques (Swansea University Mosque, Hafod Mosque, Imam Khoei Mosque). Swansea is represented in Buddhism with the Dharmavajra Kadampa Buddhist Centre, Pulpung Changchub Dargyeling (Kagyu Tradition) and a branch of the international Dzogchen Community (Nyingma Tradition). Swansea Synagogue and Jehovah's Witness Kingdom Hall are both located in the Uplands area. Swansea City Centre is undergoing a £1 billion transformation scheme. A large area of the city is earmarked for redevelopment. A new city-centre retail precinct is planned involving demolition of the dilapidated St. David's Shopping Centre which has three or four traders, about 13% of the retail space in the