Oh yeah I definitely would not do it myself. Get the professionals in. And only use real wood.
To find a craftsperson who knows how to make true panelling, in hardwood, would be very, very expensive. We struggle to find people with these skills to work on historic buildings. A regular carpenter could make you something which gave an impression of panelling from a distance, but it will never look like real panelling.
It’s overbearing in modern rooms, which tend to be too small, and unless it forms part of a scheme with the right height of skirting, the right mouldings, and terminates at the right height, it will just look wrong. It’s just not meant for rooms with modern proportions. Plus if you come into a house built from reconstituted stone, with fake slate roofs, through a composite plastic and wood door, into a room with true wood panelling, nobody will be the slightest bit convinced. It looks like you’re playing at living in a country house. So I find it pointless.
Oh dear, I did say I wasn’t going to get involved, didn’t I?
Ultimately, to each his own. Enjoy your homes, make them beautiful to you. But it is true that taste is very personal and you might be reducing the pool of people who want to buy your home in future. Certainly this is the sort of thing which will cost you money, but won’t add any value to the house.