I'm guess this means that flight cages are just for smaller birds like budgies and cockateils.You need a 80x60cm cage, max 1.9cm bar spacing
Have you looked on Scarletts parrot essentials or Northern parrot?
I will edit some links in, my computer is going a little slow RN.
Edit to add links;
Liberta Cortes Open Top Medium Bird Cage
Liberta Cortes Open Top Medium Bird Cage This open/closed topped parrot cage comes complete with 3 stainless steel feeding bowls and 3 perches. It has parrot safe door openings and swing out feeders. The cage is made from wrought iron so is very durable awww.scarlettsparrotessentials.co.ukLiberta Cambridge
This cage comes complete with 5 stainless steel feeding bowls and 3 perches. It has parrot safe door openings and swing out feeders. The cage is made from wrought iron so is very durable and is oven baked powder coated in non toxic paint. It also has a slwww.scarlettsparrotessentials.co.ukRainforest Georgia Open Top Cage
The Rainforest Georgia is a nice shaped large space for African Greys, Amazons and similar sized birds allowing good width and depth without too much height. With an opening top so your birds can perch and play out of the cage. On stand so higher from the floor.www.scarlettsparrotessentials.co.ukParrot Cages | Buy now at zooplus UK
At zooplus you'll find large bird cages and aviaries perfect for parrots, or other larger birds. Get free delievery on orders above £39.www.zooplus.co.ukBird Cages - High-Quality Cages for Parrots of All Sizes
Discover lightweight and durable parrot cages including travel, flight, open top, play top and other types. Find the perfect parrot bird cage for your pet and order now.www.scarlettsparrotessentials.co.uk
This is this cages equivelant avail. in the UK;If you have the money and space you can look for something like this. Bar spacing is small enough and it's a biggg cage.
From my understanding with wallpaper and paint it needs to be impossible for them to chew and swallow it and lead free. From my limited experience birds don't chew walls unless it textured or flaking anyway as long as plenty of toys to play with.You know the walls are covered with wall paper in the bird room but the ceiling is painted with this create a problem if I was to hang nets and boings could it be harmful to my bird. If so what could I do.
Bar spacing I wouldnt trust on that one personally.This is this cages equivelant avail. in the UK;
Bar spacing is 2.5cm, so it´s half a cm larger then the recommended maximum.
My bird chews the wallpaper okay I'm covering it now.From my understanding with wallpaper and paint it needs to be impossible for them to chew and swallow it and lead free. From my limited experience birds don't chew walls unless it textured or flaking anyway as long as plenty of toys to play with.