History in Structure

This site is entirely user-supported. See how you can help.

Plas Glasgwm

A Grade II Listed Building in Bro Machno, Conwy

We don't have any photos of this building yet. Why don't you be the first to send us one?

Upload Photo »

Approximate Location Map
Large Map »


Latitude: 53.0367 / 53°2'12"N

Longitude: -3.8307 / 3°49'50"W

OS Eastings: 277346

OS Northings: 350388

OS Grid: SH773503

Mapcode National: GBR 62.DRZD

Mapcode Global: WH669.4X4X

Entry Name: Plas Glasgwm

Listing Date: 17 July 1992

Last Amended: 17 July 1992

Grade: II

Source: Cadw

Source ID: 5898

Building Class: Domestic

Location: Below and to S of Glasgwm Road, approx 1.6 km W of Penmachno village centre.

County: Conwy

Community: Bro Machno

Community: Bro Machno

Locality: Glasgwm

Traditional County: Caernarfonshire

Find accommodation in


Farmhouse of circa 1700 and early C19 incorporating parts of earlier (probably C16) house.


E elevation is early C18 to R, and to L incorporates part of earlier house. Rubble to R, and flatter roughly coursed stones to L. Slate roof, hipped to L. Almost central square stone chimney; N gable has projecting stepped chimney with oven in angle between chimney and house. Upper floor has 3 half dormers with raking roofs. Broad entrance doorway under deep stone lintel. To R of door, vertically-proportioned casement window under deep stone lintel, and smaller window with simple stone lintel. To L of door, almost square window with deep stone lintel, and blocked doorway. At rear is dairy outshot of early C19; window to N. Water course for iron and wood water wheel approx 2 metres diameter (under restoration at time of inspection, February 1992). At right angles to C18 block is C19 block incorporating parts of earlier house on site. Two first floor casement windows at or near eaves, asymmetrical in position and depth. Central single-storey gabled porch with pointed-arched doorway. Vertically-proportioned casement window to L. W elevation has single window on each floor.


C18 section has transverse chamfered beam and exposed unchamfered joists. To N, fireplace with massive lintel, to S probably C19 stair. Collar beam roof. At rear, dairy outshot with slate slab floor and bench. Block at right angles has main room with inglenook fireplace (massive narrow-chamfered lintel with lamb's tongue stop; massive narrow-chamfered ceiling beam and chamfered joists. Thick wall to E has wooden window lintel with mortices for 4 square window mullions.

Recommended Books

Other nearby listed buildings

  • II Barn at Plas Glasgwm
    Below Glasgwm Road, immediately to W of Plas Glasgwm farmhouse.
  • II Llugallt
    To S of Glasgwm road facing roughly S towards river.
  • II Blaen Glasgwm Uchaf
    At head of Glasgwm valley, to SW of Blaen Glasgwm farmhouse. Entrance front faces roughly N.
  • II* Pen-y-Bryn Farmhouse & attached Agricultural Range
    Above and to NW of road approx 400 metres SW of Penmachno church. House faces roughly SE behind small stone-walled front garden.
  • II* Pen-y-Bryn Barn
    To N of and at a right angle to farmhouse.
  • II Barn/Cowhouse Range at Pen-Y-Bont Farm
    Pen-y-Bont Farm is immediately to SE of main road, approx 2 km SW of Penmachno village. The Barn/Cowhouse Range is to NNW of farmhouse.
  • II Haybarn at Pen-Y-Bont Farm
    Pen-y-Bont Farm is immediately to SE of main road, approx 2 km SW of Penmachno village. The Haybarn is at right angles to stable/cartshed block.
  • II Oernant
    Facing SE c200m SE of road, beside tributary of Afon Machno.

BritishListedBuildings.co.uk is an independent online resource and is not associated with any government department. All government data published here is used under licence. Please do not contact BritishListedBuildings.co.uk for any queries related to any individual listed building, planning permission related to listed buildings or the listing process itself.

British Listed Buildings is a Good Stuff website.