Henry rebuilt the principal castle gateway in about 1510 and constructed a tennis court at the base of the motte in the Upper Ward.
This was part of a wider trend from around the late 12th or 13th century onwards for castle gateways to be strongly defended.
Previously, from 1733, there was another, simpler gate on the same spot, which resembled a castle gateway.
"If you will set us down at..." Her words trailed away as she glimpsed, hanging above a broad archway just ahead, a signboard depicting a castle gateway.
This gateway is one of the finest carved castle gateways in Wales and is comparable with the much more ornate work at Newcastle near Bridgend.
A cannon was wheeled from the castle gateway, pointed at the audience, and a shower of sparks and smoke gushed from its muzzle.
But the day before she had marked a tower window from which, standing on a stool and leaning well forward, she could at least get a bird's-eye view of the ceremonious meeting before the castle gateway.
The main square boasts timber framed houses, a 13th century church and the impressive castle gateway.
The castle gateway is usually located in the middle of a rock face, which makes it much more difficult to penetrate.
Captain Robert Knowles, elated and tired, leaned briefly on the castle gateway.