Great houses in Wales

From eccentric aristocrats to tales of love and loss painted on to walls, our magnificent mansions and their collections bring Welsh history and stories to life.

The gilt room at Tredegar House

Tredegar House 

Tredegar House is one of the architectural wonders of Wales and one of the most significant late 17th-century houses in the whole of the British Isles. Situated within 90 acres of beautiful gardens and parkland, this delightful red brick house provides an ideal setting for a fantastic day out.

Erddig's tenant farm sheep grazing on the estate in foreground with the house in the background


Explore life above and below stairs of a much-loved home filled with stories of a family and their servants. Erddig is also home to the second largest collection of items in the whole of the National Trust.

Newton House at Dinefwr, Llandeilo, Carmarthenshire, Wales

Newton House, Dinefwr 

Newton House was the home of the Rhys (or Rice) family. They were descendants of the powerful Princes of Deheaubarth, who ruled from the nearby Dinefwr Castle; perched on top of the hill overlooking the Towy valley. Did you know? Newton House is thought to be one of the most haunted houses in Britain.

Visitors sitting on a lawn next to the house at Plas Newydd Country House and Gardens, Anglesey, Wales.

Plas Newydd 

Set on the shores of the Menai Strait amidst breathtakingly beautiful scenery, this elegant house was redesigned by James Wyatt in the 18th century. The 1930s restyled interior is famous for its Rex Whistler association and contains his exquisite romantic mural and the largest exhibition of his works.

Plas yn Rhiw house and gardens, Llŷn Peninsula

Plas yn Rhiw 

Discover our delightful manor house with ornamental garden and exceptional views. The setting is perfect and the outlook from the grounds across Cardigan Bay is among the most spectacular in Britain, whatever the season.

The John Nash villa at Llanerchaeron


Discover this elegant Georgian villa, set in the wooded Aeron valley. Designed in the 1790s, it is the most complete example of the early work of John Nash. It has its own service courtyard with dairy, laundry, brewery and salting house, giving a full 'upstairs, downstairs' experience.

Victorian mansion house at Dyffryn Gardens, Vale of Glamorgan

Dyffryn Gardens 

Discover the home of the Cory family and see the wealth that they enjoyed. Unlike any other of our houses; it came without a collection. No original belongings, pieces of furniture or art. This has given us a great opportunity to do something different.