What Is a Georgian Folly?
A folly is an ornamental garden building with no practical function. It exists purely to be looked at, to create atmosphere, or to serve as a focal point in a designed landscape. The 18th century was the golden age of follies in Britain and Ireland — a period when wealthy landowners competed to create the most dramatic, picturesque or unusual features on their estates.
Follies took many forms: fake hermitages (sometimes with real hermits hired to inhabit them), Egyptian pyramids, Greek temples, Gothic towers, mock medieval ruins. What made them "follies" wasn't their style but their purpose — or deliberate lack of it. They were gestures of aesthetic ambition, wealth and, sometimes, personal psychology.
Belvedere has three follies, all dating from the 1760s. What makes them unusual — and what gives Belvedere its architectural interest beyond simply being a fine Georgian estate — is that one of them breaks the purely decorative rule entirely. The Jealous Wall was built not to please the eye, but to wound.
Thomas Wright: The Astronomer Who Designed Belvedere's Follies
Two of Belvedere's three follies — the Gothic Arch and the Octagonal Gazebo — were designed by Thomas Wright of Durham (1711–1786), one of the most eccentric polymaths of the 18th century. Wright was simultaneously an astronomer, a mathematician, a landscape designer and an architectural theorist.
His scientific reputation rests on a 1750 publication in which he proposed, for the first time, that the Milky Way was a disk-shaped cluster of stars seen edge-on from Earth — a theory that Immanuel Kant later expanded into the concept of "island universes" (what we now call galaxies). Wright got the geometry broadly right two centuries before modern astronomy confirmed it.
His architectural career ran in parallel. He designed follies, hermitages and garden buildings for aristocratic patrons across Britain and Ireland. His Irish work at Belvedere represents one of the few intact examples of his landscape architecture still accessible to visitors today. The combination of scientific rigour and Gothic fantasy was, for Wright, not a contradiction — it was a consistent interest in the sublime and the infinite, expressed in different media.
Knowing that the man who designed Belvedere's gazebo and arch also first mapped the shape of the galaxy is the kind of fact that makes a site visit considerably more interesting. Read the full story in our Thomas Wright at Belvedere guide.
1. The Jealous Wall
The Jealous Wall is the most famous and most photographed feature of the Belvedere estate. Unlike the other two follies, it was not built for aesthetic reasons — it was built as an act of spite. Robert Rochfort, 1st Earl of Belvedere, had quarrelled so bitterly with his older brother George that he could not bear to see George's house — Tudenham House — visible from the Belvedere estate.
His solution was architectural: commission a wall tall enough and wide enough to block the sightline entirely, and disguise it as the ruin of a Gothic abbey so that it would at least appear intentional. The result is a three-storey limestone structure with a central section featuring three tall pointed Gothic windows, five smaller round-headed windows above, and two square wings projecting at either end. At 20 metres in height, it is the largest folly of its type in Ireland.
The irony, thoroughly complete by now, is that Tudenham House eventually fell into genuine ruin. The view Robert was so determined to block no longer exists — but the wall he built to block it still stands, restored by Westmeath County Council with steel rods inserted internally to support the structure.
The Jealous Wall is a 10-minute walk from the Visitor Services Centre along the main estate trail. It's impossible to miss — the scale is dramatic even from a distance. For the full story of why it was built, see the dedicated Jealous Wall page and the Wicked Earl history.
2. The Gothic Arch
The Gothic Arch is a castellated stone gateway — a three-bay, two-storey tower designed to look like the entrance to a fortified estate. Thomas Wright designed it as a deliberate paradox: a "mock entrance" that leads nowhere in particular, intended as a focal point in the designed landscape rather than a functional gateway.
Contemporary descriptions called it "a strange mix of the grotesque, the Gothic and the fantastic" — which, coming from the 18th century, reads more as admiration than criticism. The castellated parapet, the pointed Gothic details, and the deliberately theatrical scale were all intentional. Wright was an expert at creating structures that looked ancient without being archaeologically accurate — the goal was the feeling of antiquity, not historical fidelity.
The Gothic Arch sits on the estate trail and reads very differently from the Jealous Wall — where the Wall is massive and brooding, the Arch is more intricate and slightly playful. It rewards a close look at the stonework details.
3. The Octagonal Gazebo
The Octagonal Gazebo is the most practically motivated of the three follies — it was built as a viewing platform for Lough Ennell and the surrounding landscape, and it still fulfils that function. Thomas Wright designed it on a fortified terrace of brick and stone, originally roofed, positioned to give commanding views over the lake and the Belvedere estate from an elevated vantage point.
In the 1760s, the Earl and his guests would have used the Gazebo for organised "day outs" from the main house — an elaborate outdoor picnic at a scenic viewpoint, complete with staff laying out table settings with delph and cutlery. The Georgian concept of leisure was considerably more formal than ours.
The Gazebo sits northwest of the house, accessible from the woodland walk trail. Views that had become obscured by overgrown trees have been restored in recent years by clearing some of the over-mature growth around the structure — so the Lough Ennell panorama Wright intended is once again visible from the terrace.
It's the folly that most rewards sitting still for a moment. The lake view from the terrace, with the old woodland behind you, is the kind of composed landscape prospect that 18th-century visitors specifically travelled to experience.
Finding the Follies on the Estate Trail
Rough walking order from the Visitor Services Centre
Total walking circuit including all three follies: approximately 90 minutes at a relaxed pace. The estate map from reception shows the current signed routes.
Photography Guide — All Three Follies
Shoot early morning or late afternoon for raking light across the limestone texture. Diagonal from the lakeside path gives depth. Shoot through the empty Gothic windows to frame the parkland beyond.
Overcast days work best — bright sun creates harsh shadow on the castellated parapet. Frame through the arch itself for a natural border. The stonework close-up rewards a macro lens or phone portrait mode.
The panoramic shot from the terrace at golden hour is the prize. Morning mist on Lough Ennell in the valley below adds atmosphere. Shoot the structure from below the terrace to show its elevated position.
The Follies in Context: Why Belvedere Is Unusual
Most Irish heritage estates have one folly, if any. Belvedere has three, all dating from the same decade, two of them designed by one of the most interesting polymaths of the 18th century. This density of folly architecture in a single landscape is genuinely rare in Ireland and places Belvedere in the same conversation as Powerscourt and Fota as a designed landscape of national significance.
What separates Belvedere from both is the Jealous Wall. Powerscourt's follies are decorative. Belvedere's most famous structure was built as an instrument of family warfare, and that motivation — spite expressed at enormous expense in permanent stone — gives the estate a psychological dimension that polite heritage tourism rarely manages.
The combination of Thomas Wright's cosmic ambitions and Robert Rochfort's domestic grievances, expressed simultaneously in three structures within the same 160 acres, is genuinely singular.
Go deeper on the Jealous Wall
The Jealous Wall's story — the imprisoned wife, the jailed brother, the mysterious death — is the full context for why one man built a three-storey fake ruin in a field in Westmeath.
The Jealous Wall → Full Wicked Earl Story →Planning Your Visit
All three follies are accessible within the paid estate grounds. The house interior is closed in 2026 for Phase 3 conservation works; all outdoor features including the follies remain open. See the visitor information page for current hours and admission. For accommodation nearby, the stay page covers Mullingar's options with direct booking links.