Building a frame and cladding side for bath?

[Whatnext2015]

I'm wanting to build a side for our bath? Do not know where to start and what to do.
I've bought the cladding/tongue n groove.

Some muppet friend/builder broke our side panel when he took the bathroom out to replace jousts and chucked rubble ontop and broken it.

It's not a regular height bath and is longer than a regular bath and struggled to find a replacement within our budget.

Bump

Hi there, I've just finished a renovation project and to overcome the same issue I have tiled the panel siliconing an access panel. Base is 9mm ply attached to a simple timber frame which was £50 for a carpenter to erect. Tiles match the walls. Maybe consider that?

Nice bathroom Prada
(Sorry OP, not helpful)

Why thank you my friend. Have just done whole house which is now on the market to sell ????

That looks awesome il consider as we have three boxes of tiles left