Howth Castle is a castle in Dublin, County Dublin, Ireland, and a filming location for The Man Who Invented Christmas (2017), As Luck Would Have It (2021) and Dementia 13 (1963). Built in 1738, it was designed by Edwin Lutyens. It is owned by Tetrarch Capital.
Location: Howth, Dublin, County Dublin, Ireland
Verified facts
- Located in Howth, Dublin
confidence 70/100 · 2 independent sources · SRC-2328, SRC-2329 - Designed by Edwin Lutyens
confidence 70/100 · 2 independent sources · SRC-2328, SRC-2329 - Built in 1738
confidence 70/100 · 2 independent sources · SRC-2328, SRC-2330 - Historic designation: National Inventory of Architectural Heritage (rating: National)
confidence 85/100 · 3 independent sources · SRC-2329, SRC-9898, SRC-10129 - Appeared in The Man Who Invented Christmas (movie, 2017)
confidence 95/100 · 6 independent sources · SRC-2331, SRC-2332, SRC-2333, SRC-3830, SRC-4268, SRC-4269 - Appeared in As Luck Would Have It (movie, 2021)
confidence 95/100 · 6 independent sources · SRC-2331, SRC-2332, SRC-2333, SRC-3830, SRC-4268, SRC-4269 - Appeared in Dementia 13 (movie, 1963)
confidence 75/100 · 3 independent sources · SRC-3830, SRC-10501, SRC-11072 - Owned by Tetrarch Capital (since 2019)
confidence 90/100 · 4 independent sources · SRC-13820, SRC-13821, SRC-3830, SRC-13970
Evidence & sources
- SRC-10129 — Buildings of Ireland (NIAH) — Howth Castle, Reg. No. 11358052 (official) (Tier 1, reference; retrieved June 2026)
- SRC-10501 — https://en.wikipedia.org/wiki/Dementia_13 (Tier 1, reference; retrieved June 2026)
- SRC-11072 — Visit Dublin (official Dublin tourism) — Howth Castle (Tier 1, reference; retrieved June 2026)
- SRC-13820 — https://tetrarch.ie/ (Tier 1, reference; retrieved July 2026)
- SRC-13821 — https://www.irishtimes.com/business/commercial-property/tetrarch-completes-acquisition-of-howth-cast (Tier 2, reference; retrieved July 2026)
- SRC-13970 — RTE News (Tier 2, reference; retrieved July 2026)
- SRC-2328 — Howth Castle official website — History & Legends (Tier 1, official_archive; retrieved June 2026)
- SRC-2329 — National Inventory of Architectural Heritage (Buildings of Ireland) — Howth Castle, Reg. No. 11358052 (Tier 1, official_archive; retrieved June 2026)
- SRC-2330 — Irish Historic Houses — Howth Castle, Dublin (Tier 2, scholarship; retrieved June 2026)
- SRC-2331 — Howth Castle official website — Filming at Howth Castle (Tier 1, official_archive; retrieved June 2026)
- SRC-2332 — Distractify — Where Was 'As Luck Would Have It' Filmed? (Tier 3, reporting; retrieved June 2026)
- SRC-2333 — Showbiz Cheat Sheet — 'As Luck Would Have It': Was the Hallmark Movie Filmed in Ireland? (Tier 3, reporting; retrieved June 2026)
- SRC-3830 — wikipedia.org (Tier 3, reference; retrieved June 2026)
- SRC-4268 — irishcentral.com (Tier 2, journalism; retrieved June 2026)
- SRC-4269 — balls.ie (Tier 2, journalism; retrieved June 2026)
- SRC-9898 — National Inventory of Architectural Heritage (NIAH) National Dataset — NIAH Buildings Open Data, Department of Housing, Local Government and Heritage (Reg. No. 11358052, Howth Castle) (Tier 1, official_archive; retrieved June 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We show the
street address only for non-residential public landmarks (museums, commercial and civic buildings,
publicly documented filming-location sites); the exact addresses of private residences and any
personal information are structurally barred from publication. Last reviewed June 2026.
Frequently asked questions
Where was As Luck Would Have It filmed?
Howth Castle, in Dublin, County Dublin, is a real-world filming location used for As Luck Would Have It. This property has also appeared on screen in Dementia 13, The Man Who Invented Christmas.
Where was Dementia 13 filmed?
Howth Castle, in Dublin, County Dublin, is a real-world filming location used for Dementia 13. This property has also appeared on screen in As Luck Would Have It, The Man Who Invented Christmas.
Where was The Man Who Invented Christmas filmed?
Howth Castle, in Dublin, County Dublin, is a real-world filming location used for The Man Who Invented Christmas. This property has also appeared on screen in As Luck Would Have It, Dementia 13.
Who designed Howth Castle?
Howth Castle was designed by Edwin Lutyens.
Where is Howth Castle located?
Howth Castle is located in Dublin, County Dublin.