IIBodlondeb In its own extensive grounds W of the old walled town, with entrances from Bangor Road and Town Ditch Road.
IIBodnant Set in an outstanding garden (publicly accessible courtesy The National Trust) high above the east bank of the River Conwy and approx 3km S of Llansanffraid Glan Conwy.
II*Bodorgan Located in the heart of private estate grounds at the W side of, and overlooking, the Malltraeth estuary. Formal terraced garden to E. The house lies c. 3.5km SE of Aberffraw and c. 1.5km S of the A4
IBodrhyddan Hall Set in parkland approx. lkm east of Rhuddlan.
II*Brynbella To south west of Tremeirchion village in extensive private grounds. Approach at east side, landscaped park and garden terracing at west side.
II*Bryngwyn Hall Situated in its own landscaped park, on the northern side of Bwlch-y-cibau.
II*Brynkinallt Hall The Brynkinallt Estate lies to the E of Chirk town, and straddles the national boundary.
IIBryntysilio The house stands surroujnded by terraced lawns on a prominent platform overlooking the Horseshoe Falls. The driveway leads off the B5103, some 200m W of the junction with the Horeshoe Pass Road.
IICaer Rhun Hall Located 200m NW of Caerhun church, set back from the main Bettws-y-Coed - Conwy road (B 5106) on the E side behind high rubble walls.
IICaerynwch Located in its own park 2km SE of Brithdir in a hollow facing the Afon Clywedog; at the end of a long drive running S from the Pont ar Ddibin.
II*Carreglwyd In an isolated location set within park and woodland. The house forms the centre to the Carreglwyd estate and is set back from the N and E sides of the Porth Swtan road, leading NE off the A5025.
II*Cefnamwlch Situated in the centre of wooded parkland approximately 1.5 km S of the centre of Tudweiliog. The main approach drive of some 1.2 km runs SW from the Lower Lodge entrance off a minor road from Tudwei
II*Cefn Bryntalch Hall Located in a sheltered position near the top of a wooded hill which overlooks the Severn Valley. Close to a motte and bailey castle. The house is approached by a sweeping drive and is surrounded by
IICefn Mably Approximately 1.8km WSW of Michaelston-y-Fedw Church, on high ground overlooking River Rhymney and reached by private drive W of minor road between Michaelston-y-Fedw and Rudry.
IICefn Park (including attached stableyard range to N) Situated to the east of Cefn Road and surrounded by its own land, Cefn Park is reached by a private track to the north-west of the property which is fronted by a classical lodge and iron gates opposit
IClytha Park Situated in landscaped park N of old A40 reached via drive from entrance opposite junction with road to Bettws Newydd.
ICoedarhydyglyn including attached outbuildings at rear. In an elevated position overlooking surrounding parkland and the Vale of Glamorgan beyond; reached by a long drive from the lane to Drope and St Georges which leads off the A48 at Tumbledown.
II*Coed Coch Located in its own parkland setting approximately 0.7km SW of Dolwen; accessed via a long metalled drive running SW from the road.
II*Cors y Gedol Hall In private grounds set well back from the ENE side of the A496 between Dyffryn Ardudwy and Tal-y-bont. The hall is located at the head of a driveway (Ffordd Gors) leading ENE out of the small hamlet