Selwyn is a current electorate in the New Zealand House of Representatives, composed of towns on the outskirts of Christchurch city. The electorate was first formed for the 1866 election and has been abolished three times during its history. It was last re-established for the 2008 election and has been held by Nicola Grigg for the National Party since the 2020 election.
The electorate is mainly rural, stretching from the Southern Alps to the Banks Peninsula, its borders broadly defined by the Rakaia River in the south and the Waimakariri River in the north. Major towns include Rolleston, Lincoln, Prebbleton, and Darfield, with smaller towns such as Tai Tapu, Leeston and Dunsandel. The electorate also includes parts of Christchurch city's territorial authority.
An electorate called Selwyn existed between 1866 and 1919. A Selwyn electorate also existed between 1946 and 1972 and again from 1978 until it was absorbed by Rakaia for the first MMP election in 1996.The latest version of the Selwyn electorate was created for the 2008 election. This followed a review of electoral boundaries conducted after the 2006 Census, because of a general northwards population movement in the South Island. Even though the number of South Island electorates is fixed, the decline in the population of electorates from Rakaia south has resulted in the boundaries of electorates from Invercargill north to Rakaia shifting further northwards.
Due to the rapid growth of Selwyn relative to Christchurch (which lost population after the earthquakes), the 2013 redistribution had Selwyn losing Halswell and Westmorland to Port Hills and Harewood to Waimakariri while regaining the towns of Rakaia and Chertsey back from Rangitata.Data from the 2018 census showed Selywn's population had continued to grow – it had the largest discrepancy of any electorate – and so the electorate would need to lose further area for the 2020 boundaries. It shed an area around Hornby South to Wigram, the Banks Peninsula to the recreated Banks Peninsula, the area west of the Rakaia to Rangitata, and an area around Christchurch Airport to Ilam.
Edward Stevens was the electorate's first representative in 1866; he was returned elected unopposed.
The dominant topic for the 1875 election was the abolition of the Provinces. William Reeves, the incumbent, favoured the retention of the provincial system of government, while his opponent, Cecil Fitzroy, was an abolitionist. Fitzroy, who was 31 years old and 20 years Reeves' junior, narrowly won the election.Edward Lee acted as returning officer for the election.
In the 1879 election, John Hall was returned unopposed.In the 1881 election, Hall beat R. Lockhead by 467 to 169 votes.
In the 1890 election, Alfred Saunders, Thomas Hamilton Anson, and William Jerrington Popple received 536, 485 and 237 votes, respectively.
The electorate is one of the National Party's safest seats. National have held the seat, whenever it has existed since it was first recreated in 1946. In 2011, the candidate for the other major New Zealand party, Labour, received less than 11% of the electoral vote and came third, behind the Greens in the 2011 election. In that election, the only polling booths where Adams didn't receive the most votes were Arthur's Pass and Diamond Harbour.
Independent Conservative Reform Liberal National Green
|1866 election||Edward Stevens|
|1871 election||William Reeves|
|1875 election||Cecil Fitzroy|
|1879 election||John Hall|
|1883 by-election||Edward Lee|
|1884 by-election||Edward Wakefield|
|1887 election||John Hall|
|1890 election||Alfred Saunders|
|1896 election||Cathcart Wason|
|1899 election||Charles Hardy|
|1911 election||William Dickie|
|(Electorate abolished 1919–1946)|
|1946 election||John McAlpine|
|1966 election||Colin McLachlan|
|(Electorate abolished 1972–1978, see Rakaia)|
|1978 election||Colin McLachlan|
|1981 election||Ruth Richardson|
|1994 by-election||David Carter|
|(Electorate abolished 1996–2008,|
see Banks Peninsula & Rakaia)
|2008 election||Amy Adams|
|2020 election||Nicola Grigg|
Members of Parliament elected from party lists in elections where that person also unsuccessfully contested the Selwyn electorate. Unless otherwise stated, all MPs terms began and ended at general elections.
|2011 election||Eugenie Sage|
|2020 general election: Selwyn|
Blue background denotes the winner of the electorate vote.
|New Conservative||Bronwyn Lyell||774||2.12||—||649||1.50||—|
|Advance NZ||Jerry Larason||278||0.76||-||-||-||-|
|2017 general election: Selwyn|
Blue background denotes the winner of the electorate vote.
|NZ First||Lindy Michelle Palmer||1,345||3.08||-2.15||2,440||5.53||-1.42|
|Total Valid votes||43,553||44,068|
|2014 general election: Selwyn|
Blue background denotes the winner of the electorate vote.
|Green||Peter Selwyn Hill||4,064||11.55||+1.37||3,910||10.90||-0.54|
|Labour||Gordon John Dickson||3,835||10.90||-4.37||4,654||12.97||-3.15|
|NZ First||Bill Woods||1,841||5.23||+1.69||2,494||6.95||+2.20|
|Total Valid votes||35,196||35,875|
|2011 general election: Selwyn|
|NZ First||Bill Woods||1,277||3.54||+3.54||1,750||4.75||+1.71|
|Total Valid votes||36,103||36,851|
Electorate (as at 26 November 2011): 46,937
|2008 general election: Selwyn|
|Family Party||Samuel Dennis||493||1.37||141||0.38|
|United Future||Victoria Norman||253||0.70||421||1.15|
|Bill and Ben||201||0.55|
|Total Valid votes||36,097||36,679|
|National win new seat||Majority||11,075||30.68|
A by-election was held following the resignation of Ruth Richardson.
|NZ First||Tim Shadbolt||1,165||5.54|
|Christian Heritage||Rosemary Francis||182||0.86|
|Kiwis Against Further Immigration||Bruce Annan||29||0.14|
|McGillicuddy Serious||Tim Owens||26||0.12|
|Natural Law||Warwick Jones||22||0.10|
|NZ Coalition||Kieron Daok||10||0.05|
|Christ's Ambassadors Union||Victor Bryer||2||0.01|
|NZ First||Brooke McKenzie||1,496||6.51|
|Christian Heritage||Gordon Dennis||425||1.85||+0.91|
|Natural Law||Russell Mack||92||0.40|
|McGillicuddy Serious||Steve Richards||225||1.08|
|Independent National||Gordon Dennis||195||0.94||-0.05|
|Social Credit||Kieron Daok||151||0.73|
|Independent National||Gordon Dennis||194||0.99|
|Wizard Party||Cyril Walker||177||0.90|
|NZ Party||Murray MacDonald||2,859||14.18|
|Social Credit||James Gribben||977||4.84||-10.92|
|Social Credit||James Gribben||3,157||15.76||+1.97|
|Social Credit||James Gribben||2,537||13.79|
|Values||A G Fairweather||411||2.23|
|Labour||Thomas Kelvin Campbell||4,777||33.99|
|Social Credit||Maurice McConnell||1,903||13.54|
|Labour||Francis Edward Smith||4,793||33.12|
|Social Credit||Ronald Henry Morton||942||6.50||-0.73|
|Liberal||Eric Lester May||572||3.95|
|Social Credit||Ronald Henry Morton||1,042||7.23||+1.45|
|Labour||S S M Cook||5,833||41.01|
|Social Credit||Ronald Henry Morton||823||5.78|
|Social Credit||T A Ward||2,387||18.77|
|Conservative||Thomas Hamilton Anson||485||38.55|
|Liberal||William Jerrington Popple||237||18.84|
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