OSW-NM-L-39-16 – Llwyn Mansion in Llanfyllin

Llwyn Mansion was built on the south side of Llanfyllin but was demolished in 1975. 

http://history.powys.org.uk/school1/llanfyllin/llwyn.shtml  gives more information.

NM-L-39-16 - Llwyn Mansion in Llanfyllin