Competitive battleground

Ōtaki

General electorate

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days to election day

What it takes to flip this seat

Tim Costley won by 6,271 votes in 2023. 3,136 voters switching to a challenger would have flipped Ōtaki.

In the news

Coverage naming Ōtaki or Tim, from our tracked feeds.

The roster

The defender's record, and who's confirmed to challenge them in 2026.

Won Ōtaki by a majority of 6,271 in 2023, making it a competitive seat.

Timothy John Costley is a New Zealand politician. He was elected as the Member of Parliament in the House of Representatives for Ōtaki, representing the National Party, in the 2023 general election. He was previously a pilot with the Royal New Zealand Air Force (RNZAF).

Full MP profile

What Tim has prioritised this term

Official roles, sourced from parliament.nz.

Select committees

Foreign Affairs Defence and Trade
Governance and Administration

Legislative activity this term

From Parliament's official bills record, as at 28 August 2026.

Members' bill in the ballot (1)

KiwiSaver (Financial Security in Retirement) Amendment Bill

Battlegrounds map 2026 election

2023 result and margin: Electoral Commission. 2026 candidates are added only once officially confirmed — never assumed.