Confab, you can fly a UK built PFA aircraft here on a UK permit.
The IAA techie guys need to rubber stamp it, but, unlike some of their colleagues, they are the most helpful of individuals.
SAAC, the Irish homebuilding lot, can also get permits issued for Irish built homebuilts and have a good relationship with the IAA.
There are a couple of inspectors around who may be PFA, SAAC and microlight inspectors at the
same time.
Look on
flyinginireland
for more info