Seymours House is a heritage-listed residence and now offices at 24 Bosworth Street, Richmond, City of Hawkesbury, New South Wales, Australia. It was added to the New South Wales State Heritage Register on 2 April 1999.

Seymours House was built c. 1840s. It is named after a family who had owned the property. Prior to the 1970s, the house was converted into flats and stripped of many original details, but was subsequently significantly restored. It has now been converted to commercial offices.

Seymours House is a late Georgian stuccoed brick townhouse, five bays wide, and originally covered by a bellcast iron verandah roof. It features shuttered twelve paned windows and an original central front door with elegant sidelights and fanlight. A slate hipped roof and service wing extend at right angles to the rear.

Seymours House was listed on the New South Wales State Heritage Register on 2 April 1999.

• "Richmond Heritage Walk". 2007.
• Attraction Homepage (2007). "Richmond Heritage Walk".
• Nichols, Michelle (Local Studies Librarian) (2010). Macquarie and the Hawkesbury District.

• This Wikipedia article was originally based on Seymours House, entry number 00681 in the New South Wales State Heritage Register published by the State of New South Wales (Department of Planning and Environment) 2018 under CC-BY 4.0 licence, accessed on 2 June 2018.
• This Wikipedia article was originally based on Seymours House, entry number 1620191 in the New South Wales Heritage Database published by the State of New South Wales and Office of Environment and Heritage 2018 under CC-BY 4.0 licence, accessed on 8 October 2018.