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Howth Castle today

Ireland · Still standing

Howth Castle

Howth Castle is a historic dwelling on the Howth peninsula near Dublin, long held by the St Lawrence family since the Anglo-Norman period. The standing building incorporates 14th–15th century stone work together with later remodelling by Edwin Lutyens and sits within an extensive wooded demesne that includes formal gardens, walks and shoreline views over Dublin Bay and Ireland's Eye.

Photograph via Wikimedia Commons

First raised

1235

Its prime

1911

Today

Still standing

As it stood in 1911

What Howth Castle looked like in its prime.

Long, horizontally emphasised house massing composed of a low white-rendered wing of regular sash windows attached to a taller central stone block and several crenellated square towers; castellated parapets and stepped battlements run along the roofline. The stone ranges are pale grey to off-white, roofs appear slate, and the building sits behind a broad lawn surrounded by dense woodland with open views seaward toward Dublin Bay and Ireland's Eye.

Its story

The story of Howth Castle.

The St Lawrence Lordship, 1177–1909

Almeric Tristram, the first Lord of Howth, came to Ireland with John de Courcy in 1177 and likely built a modest wooden castle near the harbour close to the present village. The St Lawrence family held the feudal lordship of Howth from 1179/80. Their original timber castle stood on Tower Hill above Balscadden Bay before a deed of 1235 records a new castle, again built in wood, raised on the current site; the first stone castle followed in the next century, and the oldest surviving parts of the present building are likely the keep and gate tower, dating from around 1450.

Heads of the family held in turn the feudal barony of Lord Howth until about 1425, the title Baron Howth until 1767, and the earldom of Howth until 1909.

Grace O'Malley and the Locked Gates, 1576

A popular legend holds that the Gaelic chieftain and "pirate queen" Gráinne O'Malley called at the castle in 1576 while travelling from Dublin, seeking a courtesy visit with the 8th Baron Howth. Told the family was at dinner and finding the gates closed against her, she abducted the baron's grandson and heir, the future 10th Baron. He was released after a promise was given that the castle's gates would be kept open to unexpected visitors and an extra place set at every meal.

Estate, Racecourse and the Lutyens Remodelling, 1710–1911

Beech hedges planted in the demesne in 1710 are among the oldest in Ireland. In 1829 Thomas St Lawrence, 3rd Earl of Howth, established a racecourse on the estate that drew Ireland's leading owners, trainers and jockeys before racing stopped permanently in 1842, likely following the death of his first wife, Emily. At its largest the estate took in much of coastal north Dublin, including Kilbarrack, Raheny and parts of Clontarf, land gradually sold off from the mid-19th to the mid-20th century. In 1911 the architect Edwin Lutyens restyled the 14th-century castle.

The Tetrarch Sale, 2018–2021

In October 2018 Julian Gaisford St-Lawrence, whose family had held the castle as distaff heirs to the St Lawrences since 1909, announced its sale, together with the hotel, 470 acres of demesne and Ireland's Eye, to the Tetrarch investment group, which planned a luxury resort; the sale closed in 2019, ending a family tenure stretching back to the 12th century.

A seven-acre parcel by the castle gate, zoned for residential development, was sold on by Tetrarch to Glenveagh Homes for €14m. The castle's contents, including most of its furniture, were auctioned by Fonsie Mealy in Malahide in 2021, with its books and letters sold separately in Sutton.

Step inside

10 places to explore in 1911.

The record describes 10 distinct spots at Howth Castle, including 2 interiors: lutyens library (interior), georgian kitchens (service wing). Create your own photoreal reconstruction and explore every one, more scenes means more rooms, more angles, and more of the place to stand in.

Main lawn approach (front elevation)Gate tower and medieval keepLutyens library (interior)Georgian kitchens (service wing)Chapel wing and adjacent sunken gardenSwan Pond and fern gardenRhododendron walks and beech hedgesRear gate pillars on Old Castle AvenueAideen's Grave (collapsed portal tomb)Battlements and wallwalk overlooking Dublin Bay

Build Your Own Castle

Recreate Howth Castle with AI to explore it.

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Castle Siege

Play Castle Siege at Howth Castle.

A strategy game played on Howth Castle’s real ground plan: the same surveyed walls shown in the archive below. Post your finite garrison on the battlements between assaults, then hold out as rams, siege towers, trebuchets and sappers arrive in ever-worse waves.

Sign in free to see the garrison muster. One castle costs 150 Clan Coins and is yours forever.

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Whose castle

Clans who held Howth Castle.

The families that held Howth Castle for a decade or more across its history, follow a name to its clan.

  • St Lawrence

    Feudal lords of Howth from 1179/80; held the castle as Lords, Barons and Earls of Howth until 1909.

  • Gaisford-St Lawrence

    Distaff heirs of the St Lawrences; held the castle from 1909 until its sale to the Tetrarch investment group in 2019.

From the archive

Howth Castle on paper: the measured plan and period views.

The survey plan and photographs below are the ground truth this page's reconstructions are checked against, drawn and photographed while the castle was still a working garrison. Every image is public-domain or openly licensed, with its source named.

Howth Castle from "Inghilterra, Scozia e Irlanda. Opera illustrata con 494 incisioni, etc"., Howth Castle

Howth Castle from "Inghilterra, Scozia e Irlanda. Opera illustrata con 494 incisioni, etc".

1897 · The British Library (via Europeana)

Public domain

Questions about Howth Castle

What is the history of Howth Castle?

Howth Castle began as a 13th-century family castle on Tower Hill overlooking Balscadden Bay. The standing building incorporates 14th- and 15th-century stonework, with later remodelling by Edwin Lutyens. The St Lawrence family held Howth through successive titles until 1909, when the castle passed to distaff heirs; it was sold to the Tetrarch investment group in 2019.

What is inside Howth Castle / what can you see in it?

Inside Howth Castle are the Lutyens library and Georgian kitchens in the service wing. These documented interiors complement spaces around the building, including the chapel wing and adjacent sunken garden. The castle also has battlements and a wallwalk overlooking Dublin Bay.

Why was Howth Castle built, and what was it used for?

Howth Castle was raised as a family castle and dwelling for the feudal lords of Howth. The St Lawrence family held it through the lordship, barony and earldom of Howth, while the surrounding estate developed into an extensive demesne with gardens, walks and shoreline land. Its later use as a historic dwelling continued after remodelling.

Where is Howth Castle?

Howth Castle is on the Howth peninsula near Dublin, in Howth. It stands within a wooded demesne with views over Dublin Bay and Ireland's Eye. Howth is the nearest named locality, while Dublin is the nearby city recognised in the site description.

When was Howth Castle built?

Howth Castle was first raised in 1235, placing its origins in the 13th century. It was built in phases: the original castle was a timber structure, while the standing building incorporates 14th- and 15th-century stonework. Edwin Lutyens later remodelled the building.

Which family or clan held Howth Castle?

Howth Castle was held by the St Lawrence family from 1179/80 until 1909. They held it as Lords, Barons and Earls of Howth. From 1909, it passed to the Gaisford-St Lawrence family, who held it until its sale to the Tetrarch investment group in 2019.

What did Howth Castle look like in its prime?

Howth Castle has a long, horizontally emphasised house with a low white-rendered wing attached to a taller central stone block. Several square towers, castellated parapets and stepped battlements define its silhouette. The stone ranges are pale grey to off-white, the roofs appear slate, and the building stands behind a broad lawn and dense woodland.

Is Howth Castle still standing or is it a ruin?

Howth Castle is still standing and intact. Its fabric includes 14th- and 15th-century stonework, combined with later alterations by Edwin Lutyens. The building remains set within its wooded demesne, with gardens, walks and shoreline views over Dublin Bay and Ireland's Eye.

Explore the city

Howth Castle stands in historic Dublin, explore the whole city through the ages

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