Magic Circles and Roof Fires: Haunted Birkwood Castle

Reviewed by Josh N · Updated August 29, 2026 · How we verify

Few buildings in the Clyde valley have collected so much folklore in so short a time as haunted Birkwood Castle, the gutted castellated shell standing in the Greenholm village area of Lesmahagow, South Lanarkshire. Scotland has grander ruins, but Birkwood has the unusual distinction of being a Victorian mansion that spent eighty years as an institution for children and adults with learning difficulties, then two decades as a failed development site, and which has lately been credited by some locals with a temper of its own.

The essentials, before the stories. Birkwood is a castellated Gothic Revival country house, begun as a small Georgian manor and greatly expanded by the McKirdy family across the middle and later 1800s. In 1923 the building and its policy grounds were bought by a department of the local authority for use as a hospital. Following closure, redevelopment attempts came and went. The mansion ruin is a category B listed building and has long sat on the Buildings at Risk Register maintained by Historic Environment Scotland.

The Murder Gill: What Stood Here Before the Towers

The oldest surviving fabric is the Georgian house that now forms the northern wing. Tradition puts it in the late 18th century, though the family’s own architect, speaking in 1890, said the oldest part was built in 1810 on the instruction of the late John McKirdy. The lands themselves were older still in reputation: the mansion was raised on or near the site of an earlier habitation called Mirthirgill, a name that translates as the ‘murder gill’, a gill being a small stream running through a steep sided ravine. The policies anciently comprised church lands attached to Lesmahagow Priory. None of that has any documented connection to the ghost stories told today, but it explains why the site attracts them.

Weather has always taken an interest in the place. On 22 February 1813 strong winds tore off a lead platform measuring 11 by 42 feet and weighing some 2,500 lbs, carrying it 130 feet from the house and breaking several window panes.

John Baird’s Extension and the Dinner in the Lower Corridor

Between 1856 and 1859 Birkwood was enlarged into castellated Gothic Revival form to designs by John Baird I, known as John Baird primus. Datestones and newspaper coverage point to 1856 for the start and 1857 for the apparent completion of the main work, yet a grand event was held in April 1859 to mark ‘the completion of Birkwood House’: a dinner for upwards of one hundred people laid out in the lower corridor of the house, with singing, a ballroom dance that ran into the early hours, and tables said to groan under their load.

The focal point of that phase, the square tower with its octagonal bell tower on the western side, was struck by lightning in a violent thunderstorm on 12 August 1884, causing ‘considerable damage’.

General McKirdy’s West Wing and the Argument Over ‘Castle’

In the early 1890s the house was extended again in matching style, when James Thomson of Glasgow designed a large west wing and remodelled the entrance front. The foundation stone was laid on Tuesday 08 July 1890, with architect, clerk of works and contractors present. Thomson’s new octagonal tower rose around 30 feet, roughly 9 metres, higher than its predecessor. Contemporary comment settled the naming question in the plainest terms: strangers viewing it from a distance asked not whose house it was but who lived in that castle, and it was said that “In the opinion of the strangers it should no longer be called Birkwood House, but Birkwood Castle.”

One recent architectural reading argues the building’s unease is structural rather than spectral, an austere neoclassical, almost tenemental mass married to High Romantic neo-Gothic: “It is akin to a mask of vanity concealing something much more austere, possibly even threatening. The great scale does the rest.”

Birkwood Institution, 1923 to 2005

The McKirdys tried and failed to sell. In 1920 the estate with mansion and policies extended to 1,124 acres, yet no bidding interest was shown for the mansion or the estate as a whole, and the opulent contents were auctioned inside the house over two days, Wednesday 02 and Thursday 03 November 1921. In the months before July 1923 Captain MacKirdy finally sold the remainder of estate and mansion for £10,000 to the County Council of Lanark’s ‘District Board of Control’, for use as a residential clinic for what the era called mental defectives. The property was licensed for that use in May 1923, and by 29 October 1923 the Board announced it was “in a position to receive a limited number of juvenile mental defectives in Birkwood Institution, Lesmahagow, the rate of board being £1 1s per week”.

Ms Davidson headed the institution at its opening and for years afterwards. By November 1924 there were just 27 patients while the place was still being furnished for up to 100 cases; by May 1927 there were 125 in residence. A school building went up in the grounds in 1927, erected by Lanark County Council’s Education Department. Flash floods on 11 July 1927 wrecked the banks of the Nethan Water and partly destroyed Birkwood Bridge at the Greenholm side. The institutional record is bleak in places: a report covering 1929 to 1930 noted that of the many children resident, only three were classed as ‘educable’. A new wing completed in 1958 cost £94,000 and took up to 80 more patients, and by 1967 Birkwood Hospital had 316 mental deficiency beds. From May 1962 the Lesmahagow branch of the Women’s Royal Voluntary Service ran the site canteen, mostly on Saturdays, until it closed on 29 May 1999.

Closure was announced around mid-June 2000, within five years, after the Scottish Executive stated that “institutionalised care is no longer suitable for people with learning difficulties”. The main wind-down and staff departure came in late September 2002, and full locking up of the building is said to have happened in 2005.

Sea of Souls, Two Hotels and the Wing That Fell

Empty, Birkwood earned its keep oddly. The NHS Trust owners offered it for money-making ventures including use as a film set for an episode of the BBC’s Sea of Souls, with two rooms prepared for the crews. Plans to convert the house to a hotel were approved in 2009, but the developer went into liquidation before work started. On around 21 July 2015 the majority of the 1890s western wing collapsed, with a sound nearby residents likened to an explosion. South Lanarkshire Council granted permission in 2016 for a £15 million hotel conversion; in January 2018 the castle was put up for sale after its owners went into administration, and later that year demolition was recommended, the building being a “major safety risk”, with only the bell tower and front entrance considered structurally secure enough to keep.

The Cigar Smoker, the Cut Throat and Haunted Planet TV

The reported phenomena are few but persistent. The house is said to be haunted by a cigar-smoking spirit and by the ghost of a man stabbed through the throat. Neither figure is tied in the record to any documented death here; they belong to ghostlore, not to any register. When a group of Glasgow paranormal investigators filmed at Birkwood in 2013 for Haunted Planet TV, they described it as “one of the most active locations they had ever filmed”. After the 2015 wall collapse and the explosion-like noise, local paranormal enthusiasts attributed the event to the haunting. Worth setting against that: an inspection entry of 27 September 2013 had already found widespread dampness in the mansion walls, failed downpipes and encroaching vegetation.

The Solomonic Circle and the Fire of 14 May 2025

The most recent chapter is also the strangest. On the night of 14 May 2025 a large fire broke out on the mansion roof under circumstances described as mysterious, given how fast it took hold and how severely restricted roof access was, after a long dry spell. It destroyed much of the modern roofing cast over the east and north wings to keep the gutted shell watertight and stable. Days earlier, members of the public had found the remains of a complex Solomonic ritual involving a magic circle inside part of the mansion, which caused considerable local upset online and prompted talk of malevolent witchcraft and of the building’s genii locorum responding badly. Councillor Ross Gowland for Clydesdale South sought an update from the local authority on the building’s situation.

Walking the Birkwood Policies

Once over 1,000 acres, the policy grounds and woodland now run to roughly 86 acres, about 35 hectares, of informally planted parkland with oak, lime, beech, yew, Wellingtonia and much else, many trees dating to the 18th and 19th centuries. There is a genuine tradition of public access here. After the hospital purchase the policies were treated as the property of the ratepayers of the parishes funding the institution, and were promoted and well used for scenic walks. Older rights of way survive, including the route from New Trows to Woodhead, over Monstable Bridge and through the policies towards Pathhead; its legitimacy was upheld in court as early as 1850 in McGhie versus Mackirdy, and the path remains in use, though with detours around the partially collapsed footbridge at the Pathhead end.

The building itself is another matter. It is a derelict, fire-damaged, partly collapsed ruin with boarded ground floor windows and security fencing, formally assessed as a major safety risk. Look at it from the paths and the parkland, and leave the interior alone.

Address: Greenholm, Lesmahagow, South Lanarkshire, Scotland

See Birkwood Castle for Yourself

Sources

• Birkwood House LB7698
• Records of Birkwood Hospital, Lesmahagow, Scotland
• Birkwood Castle's new £15 million boutique hotel
• 'Haunted' Birkwood Castle to be demolished after flats plan falls through
• 'Haunted' castle put up for sale by administrators
• Wikipedia: Birkwood Castle

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