Federal · Senate (upper house)
Deborah O'Neill
Senator Deborah O'Neill
What's this? The Senate is the upper house of federal Parliament. It reviews and votes on laws passed by the House of Representatives. Each state elects 12 senators and each territory 2, so a senator represents their whole state or territory.
Where letters go
Electorate office
Senator Deborah O'NeillSuite 3.12, The Platinum Building, 4 Ilya AvenueErina NSW 2250☎ (02) 4367 4565
Source: official parliament listing · updated 20/10/2026
How to write to Deborah O'Neill
Address your letter exactly like this. Keep it to one page, say who you are and where you live, and ask for one clear action.
Senator Deborah O'Neill
Suite 3.12, The Platinum Building, 4 Ilya Avenue
Erina NSW 2250
Dear Senator O'Neill,
I'm writing to you as my representative about…
Questions about Deborah O'Neill
What is Deborah O'Neill's office address?+
Letters to Deborah O'Neill go to their electorate office: Suite 3.12, The Platinum Building, 4 Ilya Avenue, Erina NSW 2250. The office phone number is (02) 4367 4565.
How do I address a letter to Deborah O'Neill?+
On the envelope and at the top of your letter, write “Senator Deborah O'Neill” followed by the address. Start the letter with “Dear Senator O'Neill,”.
What is Deborah O'Neill's role?+
Deborah O'Neill is Senator for New South Wales in the Australian Senate.
Which party is Deborah O'Neill in?+
Deborah O'Neill is a member of the Australian Labor Party.
Can I send Deborah O'Neill a letter online?+
Yes. Better Letters prints your letter, signs it with your signature, and posts it to Deborah O'Neill's office. You can also download it free and post it yourself.