Llanerch, Churchstoke is built in simplified Tudor Gothic style, with irregular plan and roof lines. It has a slate roof with bracketed eaves, four tall, brick-panelled stacks with corbelled caps and a service wing. A gabled porch has diagonal buttresses, and a segmental pointed doorway with hood mould, reached by 3 stone steps.

Reference: Cadw listed buildings database.

Associated with garden: NPRN: 265604