A20?

Well done JohnFilmer.  West Kent Hospital, Maidstone.  My maternal great grandfather, George Impett, was employed as head gardener at Roydon Hall in 1906.  The family lived in a tied-cottage near Wateringbury.  In 1907, my great-grandfather suddenly became ill and was taken to the West Kent Hospital, where he died.  (The family story is that he was kicked in the head by a horse)
My Great Grandmother and five children were then forced to leave the tied-cottage and moved to Canterbury, where they lived in a slum for many years.

Thomas Place, Maidstone?

Beachbum You must be joking with King Arthur Court. Sittingbourne doesn't have any archtechural marvels.
Exeptions being Church,s and the Artdeco  Burtons shop front and the old Odeon Cinema.

King Arther Court, Sittingbourne?

More central Kent. This building was purpose built.

Too near the edge of Kent Beachbum.

Very interesting one JohnFilmer and thank you for telling us about your family.

Next one ...

Another lost building.  This is part of a large building.  Now replaced by a Sheltered Housing Complex named after a king.

JW has it, the Chapel of St Mary Magdelene at Lidsing.

I found an interesting article with more pictures https://jamesweirhbcblog.wordpress.com/2014/07/10/the-lost-chapel-of-lidsing-kent/

My interest comes from my mother's grandfather who left his job in Chatham Dockyard, as an Anglesmith, after his wife died in 1903. He left Luton and took on The Harrow at Lidsing. My mother visited frequently, the family walking from Luton Road and back on a Sunday afternoon. She always pronounced the hamlet as Lidjin.

Walter Colyer went on to marry his Irish barmaid Catherine, 20years his junior, and kept the Harrow until his death in October 1921.