- "Oswald holds half a hide in Portslade he held it before 1066. It did not pay tax, he could go where he would with the land, One villager, value 6s".
- "Albert held half a hide in Portslade. It did not pay tax. One villager with half plough. The value is and was 6s."
In 1312, the Lord of the Manor of Portslade, John de Warenne, 7th Earl of Surrey, was granted a charter by King Edward II to hold a Fair at Portslade annually on 6 December, the Feast Day of Saint Nicolas.
Portslade Manor House was in use until 1807 when the new manor house was built. The old house was then used as an almshouse for the poor. In the Victorian era it was partially demolished, to provide building material for a garden folly in the new manor grounds.
In 2019 Fresh Start Portslade where granted a National Lottery Grant to improve access and visibility of Portslade's Norman Manor house, communicate its historic importance, and explore possible solutions for its longer-term sustainability.
- Historic England (2007). "Remains of medieval manorhouse, about 150m West of St Mary's Convent, Manor Road (west side), Hove (1208924)". National Heritage List for England. Retrieved 12 April 2009.
- "South East: delegated decisions January 2019 | The National Lottery Heritage Fund". www.heritagefund.org.uk. Retrieved 8 April 2019.