List of 2020 British and Irish Sci-Fi Conventions
| Dates | Location | |
|---|---|---|
| Picocon 2020 | February 22, 2020 | Imperial College London, Blackett Laboratory London, UK |
| Yorkshire Cosplay Con's Mini Con Sheffield 2020 | March 7, 2020 | Sheffield Hallam Students' Union Sheffield, UK |
| March 21-22, 2020 | NEC Birmingham Birmingham, UK |
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| April 3-5, 2020 | University College Cork Cork, Ireland |
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| April 4-5, 2020 | Scarborough Spa Scarborough, UK |
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| April 11, 2020 | Allum Hall & Manor House Borehamwood, UK |
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| April 23-26, 2020 | Vauxhall Holiday Park Great Yarmouth, UK |
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| May 2-3, 2020 | Motorpoint Arena Nottingham Nottingham, UK |
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| May 30, 2020 | Magna Science Adventure Centre Rotherham, UK |
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| June 12-14, 2020 | Wyboston Lakes Resort Wyboston, Bedford, UK |
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| June 27-28, 2020 | NEC Birmingham Birmingham, UK |
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| July 18-19, 2020 | Motorpoint Arena Nottingham Nottingham, UK |
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| July 24-26, 2020 | Olympia London London, UK |
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| August 8, 2020 | Penta Hotel Birmingham, UK |
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| August 15-16, 2020 | Braehead Arena Glasgow, UK |
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| August 28-30, 2020 | Hilton Belfast Belfast, UK |
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| September 4-6, 2020 | Wyboston Lakes Resort Wyboston, Bedford, UK |
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| September 5, 2020 | Allum Hall & Manor House Borehamwood, UK |
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| September 5-6, 2020 | National Exhibition Centre Birmingham, UK |
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| September 26-27, 2020 | Eastbourne Sports Park Eastbourne, UK |
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| October 3, 2020 | The Sports Connexion Ryton-on-Dunsmore, Coventry, UK |
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| October 9-11, 2020 | Crowne Plaza Dublin - Blanchardstown Blanchardstown, Ireland |
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| October 31, 2020 | DoubleTree by Hilton Hotel Bristol City Centre Bristol, UK |
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| November 13-15, 2020 | ExCeL Convention Centre, Royal Victoria Dock London, UK |
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| November 13-15, 2020 | Wyboston Lakes Resort Wyboston, Bedford, UK |
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| November 20-21, 2020 | Olympia London London, UK |
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| December 5-6, 2020 | Bowlers Exhibition Centre Manchester, UK |
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| Dates | Location |