Tan Rallt Wen

Linear range, aligned upslope, of single storey croglofft cottage with boiling house to L(N), cowhouse and ruined pigsties to R. Built of rubble masonry, the front and side elevations limewashed; the S end of the cowhouse pebbledashed. Roof of small slates, grouted, the cottage has rectangular gable stacks with capping, the boiling house has a capped external stack at the N end; at the far S end of the range the cowhouse roof has been replaced by profiled asbestos material. The cottage has 2 windows, doorway between, with openings offset to the R(S); the door is glazed, the flanking windows horned 4-pane sashes. The boiling house is a single window range with door to L, the window is a 16-pane hornless sash, to the rear is a small 2-paned sash; all windows along the range have slate sills. To the R(S), set at a lower level to the cottage, is a paired cowhouse range, each with a single doorway; the LH cowhouse has the doorway offset to the R which has a boarded door under a shallow overlight, the RH cowhouse door is boarded and offset to the L. There is a narrow light set in the S gable apex and to the rear there are partially blocked openings; that to L(S) a wide cartbay arch infilled with rubble and with boarded window to the R, that to the R a narrower doorway which has a shallow small paned light at the apex of the arch, both arches have rough stone voussoir heads. To the R of the narrower doorway is a boarded loft opening in a raking dormer which breaks the eaves line. At the far R(S) end of the range is a ruinous 2-unit pigsty, formerly with single pitched roof, now roofless.

The interior of the cottage is open to the roof, which has pegged, chamfered, collared trusses. There is an inglenook with huge chamfered bressumer to the N, infilled with brick and with a cast iron grate.