The planner is implementing policy.
The architect is looking for work.
The Planning office has records.
I'd suggest you go into the planning office and seek out applications in the area your interested that were made within the lifetime of the current development plan and see whether or not they were successful.
I'm not familiar with the area or A3 zoning or the development plan requirements but it should take only a couple of hours reading and a call to the planner for any architect worth his salt to get up to speed and advise you.
If he/she starts waxing lyrical about the possibilities of getting planning in the area and sustainable design, show him your research and ask him for a realistic comment.
Also I'd put some questions to him/her in that I think that sustainability in design has become a bit of a fig leaf for one-off housing in rural locations.
This in principle is unsustainable in terms of commuting distances to shops, schools, work, friends, etc and the resulting carbon footprint.
I'm not being judgemental or moralistic or begrudging, its a well-known fact.
People building new 3,500 sq.ft. houses who have to commute even to the shops can have a massive impact on the environment in comparison to a couple who buys an existing 1,500 to 2,000 house near an urban centre.
Re-using the building stock in a sustainable manner, insulating it to A1 standards [its been done - according to the current issue of Construct Ireland] and upgrading services with an MVHR system *is* sustainable.
And don't fool yourself on costs either building and insulating/servicing/heating a 3,500sq.ft house could cost a lot more than say upgrading a 1,500-2,000 house - discuss options and costs with your architect.
I guess all I'm saying is, don't dismiss sustainable re-use of existing building stock out of hand.
And an "urban centre" doesn't need to mean Cork city, it could be Middleton.
As your kids get older and you become a taxi, you'll see the benefits
After that, its your call.
ONQ.
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All advice on AAM is remote from the situation and cannot be relied upon as a defence or support - in and of itself - should legal action be taken.
Competent legal and building professionals should be asked to advise in Real Life with rights to inspect and issue reports on the matters at hand.