History in Structure

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Tan yr Allt Isaf

A Grade II Listed Building in Mochdre, Conwy

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Latitude: 53.293 / 53°17'34"N

Longitude: -3.76 / 3°45'35"W

OS Eastings: 282788

OS Northings: 378778

OS Grid: SH827787

Mapcode National: GBR 2Z5C.S8

Mapcode Global: WH655.6HSD

Plus Code: 9C5R76VR+52

Entry Name: Tan yr Allt Isaf

Listing Date: 9 September 1994

Last Amended: 9 September 1994

Grade: II

Source: Cadw

Source ID: 14841

Building Class: Domestic

Location: Set back from the road near its junction with Tan yr Allt Avenue.

County: Conwy

Community: Mochdre

Community: Mochdre

Built-Up Area: Colwyn Bay

Traditional County: Denbighshire

Find accommodation in
Colwyn Bay


Probably late C18, and said at one time to have been in use as two dwellings.


Limewashed roughly coursed rubble, slate roofs with end wall stacks. 2 storeys, L-plan, with 2-unit main range and single unit wing. Present entrance in angle of main range and wing, with a secondary entrance into the wing at the outer junction of the two. 12-pane sash windows on each floor on either side of the wing, and similar windows in the main range, although disturbance to the masonry around them suggests that these are not in the original openings. The right hand unit of the main range is built on a rough and heavy plinth, and it is possibly a separate (and earlier) phase of construction.


Roughly chamfered axial beams in main range, and axial beam with run-out chamfer stop in wing, which has a deep fireplace in the gable end.

Reasons for Listing

A good example of a local vernacular house which retains much of its character.

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