Tyn-llwyn

Roughly coursed rubblestone, rendered and on massive granite boulder plinth to house; graded slate roofs with coped verges; integral end stacks to house with slate drips. House of 2 storeys and 2-room plan with passage-way to left of centre, the right room larger and with slightly more substantial stack; lower and possibly later cowhouse attached to left gable end. 3-window front with windows symmetrically grouped around roughly central entrance, leaving larger expanse of unbroken wall to right; Cl9 plank door under stone lintel; C19 casements to first floor with small window directly above entrance suggesting that the eaves may have been raised; larger cross-windows to ground floor. C20 conservatory to right gable end. Cowhouse has plank door to right and narrow slit opening to left; lean-to attached to left gable end.

Right ground-floor room has large open fireplace with timber lintel and traces of stone seat and bread oven; large cross-beam and plain joists; window seat to front wall. This room also contains a recess for a dresser. The central passage-way is separated from both left and right rooms by C19 matchboard partitions. Similar partitions on first floor which has A-frame truss. Cowhouse roof in 2 bays also has an A-frame truss.