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Hen Felin

A Grade II Listed Building in Llanfair Pwllgwyngyll, Isle of Anglesey

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Latitude: 53.2154 / 53°12'55"N

Longitude: -4.2028 / 4°12'9"W

OS Eastings: 253011

OS Northings: 370972

OS Grid: SH530709

Mapcode National: GBR 5L.1KJQ

Mapcode Global: WH546.DFXV

Entry Name: Hen Felin

Listing Date: 20 April 1998

Last Amended: 20 April 1998

Grade: II

Source: Cadw

Source ID: 19658

Building Class: Industrial

Location: On the SW side of the stream off the Afon Braint where it runs into the Menai Strait at Pwllfanogl, reached by Lon Pwllfanogl, off the A4080 Brynsiencyn Road. Quay of built-up slate waste to NE.

County: Isle of Anglesey

Community: Llanfair Pwllgwyngyll

Community: Llanfair Pwllgwyngyll

Locality: Pwll-fanogl

Traditional County: Anglesey

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Probably built as corn mill (Melin Pwll-fanogl) and converted to slate dressing mill in C19 Part of a millstone was found in the lower storey as well as a large quantity of slate waste. Ceased functioning as mill early C20, then used as a furniture warehouse. Converted into residence c.1990. Originally a 2 storey, 3 bay building with wheelpit to N end, extended to N by 1 bay, then raised 1 storey to form present building.


Three storey, 4 bay mill building of dressed limestone with modern slate roof. Square headed windows with voussoir lintels contain modern side hung casements. The entrance is now in the upper storey on the W side. There is a dam W of the building (much was rebuilt in the early part of the C20 after collapsing) the wheel pit has been filled in and there are no remains of launders running from the pond to the mill.


Has been converted to a dwelling, with inserted floor and sawn timber king post trusses. No mill machinery remains.

Reasons for Listing

Listed as a surviving mill building retaining much of its original structure and character, notwithstanding loss of machinery and subsequent conversion to dwelling, and for its local historical significance as a corn mill later used as a slate dressing mill.

Other nearby listed buildings

  • II Bridge over stream near Melin Pwllfanogl
    Over the stream running from the Afon Braint to the Menai Strait at Pwllfanogl, SW of Plas Llanfair.
  • II Bridge over stream near Melin Pwll-fanogl.
    Over the stream running from the Afon Braint to the Menai Strait at Pwllfanogl, SW of Plas Llanfair.
  • II Min y Mor
    Overlooking the Menai Strait at the far end of Lon Pwllfanogl, off the Brynsiencyn Road (A4080).
  • II Entrance Archways, at Grand Lodge, Plas Newydd
    The N entrance to Plas Newydd, 1.7km N of the house, leading off the S side of the A4080 Brynsiencyn Road.
  • II Grand Lodge of Plas Newydd
    Set back slightly on the S side of the A4080 Brynsiencyn Road, behind the walls of Plas Newydd and at the entrance to the Grand Drive.
  • II Aberbraint Lodge
    Located on the NW side of the A4080 Brynsiencyn Road, c. 0.5km from the Llanfair Toll House.
  • II Pen yr Allt
    Located on the NW side of the A4080 - Brynsiencyn Road, opposite the Grand Lodge to Plas Newydd.
  • II* Aberbraint
    Set back from the road within grounds on the NW side of the A4080 Brynsiencyn Road, c.0.5km from the Llanfairpwll Toll House.

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