The house contains a collection of Pre-Raphaelite art and Arts and Crafts furniture.
'Besides, look at the quantities required,' said Arnold Parkinson (world authority on Pre-Raphaelite art).
His paintings of religious, mythical and historical subjects entail vivid imagery and preponderance of detail in Pre-Raphaelite art.
The art gallery includes a large collection of paintings, focusing on romantic Victorian and pre-Raphaelite art, with some earlier paintings.
His widow retained and expanded his collection of Pre-Raphaelite art.
After the First World War, British Modernists associated Pre-Raphaelite art with the repressive and backward times in which they grew up.
In September 2012, Pre-Raphaelite art was shown at Tate Britain.
In Pre-Raphaelite art, Helen is often shown with shining curly hair and ringlets.
"Discoveries about the chairs will help further illuminate a rich moment in Pre-Raphaelite art and its connections with the Arts and Crafts movement."
The painting was commissioned by Thomas Plint, a well-known collector of Pre-Raphaelite art, who died before its completion.