Alnwick Castle, Northumberland

Chillingham Castle, Northumberland

Sir Thomas Grey was granted a licence to fortify and crenellate Chillingham Castle in 1344.
 

http://www.chillingham-castle.com/

Grosmont Castle, Monmouthshire

Pevensey Castle, East Sussex

Caerphilly Castle, Gwent

Goodrich Castle, Herefordshire

Gwydir Castle, Conwy

 

http://www.gwydircastle.co.uk

Newark Castle, Nottinghamshire

 

Permission to build Newark Castle was granted to the Bishop of Lincoln by Henry I in 1135.

Brougham Castle, Cumbria

A licence to crenellate Brougham Castle was granted to Robert Clifford in 1309.
 

Sissinghurst Castle, Kent