The Coultershaw Heritage Site is participating in Petworth Heritage Weekend and will be open on Saturday 21st September and Sunday 22nd September. It is an opportunity for people to explore a range of local sites and take part in activities which interpret heritage and culture. Most of these are without charge.
Further details can found here:
http://www.heritageopendays.org.uk/directory
https://www.heritageopendays.org.uk/visiting/event/petworth-heritage-weekend-coultershaw-heritage-site-beam-pump