History in Structure

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Folly at Tan-y-Bwlch

A Grade II Listed Building in Maentwrog, Gwynedd

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Latitude: 52.9467 / 52°56'48"N

Longitude: -3.9938 / 3°59'37"W

OS Eastings: 266127

OS Northings: 340670

OS Grid: SH661406

Mapcode National: GBR 5W.LG8V

Mapcode Global: WH55N.M6CB

Entry Name: Folly at Tan-y-Bwlch

Listing Date: 25 February 2005

Last Amended: 25 February 2005

Grade: II

Source: Cadw

Source ID: 83997

Building Class: Domestic

Location: In an isolated location, set well back from the S side of the A487(T) and on the flood plain of the Afon Dwyryd. Lies to S of the Oakeley Arms.

County: Gwynedd

Community: Maentwrog

Community: Maentwrog

Locality: Tan-y-bwlch

Traditional County: Merionethshire

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Several views and maps from the late C18 onwards show a small apparently artificial wooded knoll surmounted by a small building (it is first clearly visible on a sketch by J Ingleby, 1794). Nothing else is known about this building, which was presumably a folly or eye-catcher in the view from Plas-tan-y-bwlch. The building probably had a slate roof originally, but has been roofless since before 1888.


Single storey folly, built to a square plan and now roofless. The structure is built of coursed and mortared rubble masonry with a gable to each elevation. There is a single window in the S elevation and another window or doorway in the north. The structure was fenced off and partially obscured by vegetation at the time of the survey (July 2003).


The interior was not inspected at the time of the survey (June/July 2003).

Reasons for Listing

Listed notwithstanding its condition, as a late eighteenth century folly associated with Plas-tan-y-bwlch.

Other nearby listed buildings

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