Complex sentence: The house is now run by English Heritage and is open to the public as a museum and art gallery, exhibiting 83 paintings from the Spanish royal collection, although the 8th Duke of Wellington still uses the building as a part-time residence.
Split into simpler sentences: The house is now run by English Heritage and is open to the public as a museum and art gallery, exhibiting 83 paintings from the Spanish royal collection. Although the 8th Duke of Wellington still uses the building as a part-time residence.