| class="adr" | Monmouthshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trelleck Grange | class="adr" | Monmouthshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trelogan | class="adr" | Flintshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Treloquithack | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trelowia | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trelowth | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trelystan | class="adr" | Powys | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremadog | class="adr" | Gwynedd | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremail | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremain | class="adr" | Ceredigion | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremaine | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremains | class="adr" | Bridgend | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremar | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trematon | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trematon Castle | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremayne | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Trembraze | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremedda | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremeirchion | class="adr" | Denbighshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremethick Cross | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremore | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremorebridge | class="adr" | Cornwall | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tremorfa | class="adr" | Cardiff | class="note" | | class="note" | |- class="vcard" | class="fn org" | Tre-Mostyn | class="adr" | Flintshire | class="note"