African Feathergrass (approx 1m high and 1m across, finches love the seeds and use the dry stems for nest material)

Bamboo Plants (grow to approx 1.5m - 1.8m high)

Box Hedge (grows to whatever height you allow it to, same for width, great for building nests in)

Geranium (odd choice perhaps but mosquito's hate it & keep well away from general area. once big enough birds cannest in it)

Wormwood herb (have seen it in aviaries up to 1m high and a metre in diameter, good for birds to eat and again provides nest sites)

still have lots to plant will post pics as I go