There are two places called Llandough in the Vale of Glamorgan. Tŷ Mawr stood at Llandough-juxta-Penarth (CF64), beside Penarth and Cardiff. Llandough near Cowbridge (CF71) is a different community about 17 km to the west, with its own Great House Farm. The forms below are the names the records use for the town, the parish and the authorities over it.
Llandough (near Penarth)
Landoche-juxta-Cardif · date not stated on the Wiki
Source: Cardiff Records, manor of Llandough
Written by: J. H. Matthews (ed.), Cardiff Records
Status: record
Our note: A locator for the manor, not proof that a tenement in that record was Great House.
Landough East (with Dinas Powis and Cogan manors) · 1767 (in the book)
Source: Cardiff Records (secondary): manors in the hands of William Hurst and Calvert Richard Jones
Written by: J. H. Matthews (ed.), Cardiff Records
Status: secondary
Our note: A manorial locator, not a name of the house.
Glamorgan 47 NW object name books, 1898–1942 (TNA OS 35/2503) · 1898–1942
Source: The National Archives catalogue, OS 35/2503
Written by: The National Archives cataloguer
Status: catalogue
Our note: The contents have not been read: whether they record Ty Mawr, Great House or Great House Farm, and who supplied the names, is still to be seen.
Llandough [juxta-Penarth] · c.1945–1955
Source: Glamorgan Archives catalogue, D/D XJF 64/30 (EV-0155)
Written by: Glamorgan Archives catalogue (a note by the occupier)
Status: catalogue
Penarth Road, Llandough · 20 Nov 1958
Source: Western Mail, 20 Nov 1958 (EV-0037)
Written by: Western Mail (reporter)
Status: record (OCR)
Urban District of Penarth · 11 Jun 1965
Source: 1965 conveyance: land “in the Urban District of Penarth in the County of Glamorgan” (EV-0042)
Written by: The conveyancing parties and their solicitors
Status: record
Our note: The local-government district of the time.
Llandough near Cardiff · 16 Apr 1974
Source: Daily Telegraph, 16 Apr 1974 (GHF-E090-N03)
Written by: Daily Telegraph (reporter)
Status: record
Llandough-juxta-Penarth · —
Source: The Wiki’s preferred historical locator
Written by: Our Legal Wiki (analytical label)
Status: wiki label
Llandough near Penarth · —
Source: Modern descriptive locator
Written by: Our Legal Wiki (analytical label)
Status: wiki label
CF64 · modern
Source: Postcode district (Church View Close, CF64)
Written by: Royal Mail (postcode)
Status: record
Llandochau · 2026
Source: Welsh name, used in RCAHMW’s search of its records (correspondence on the Wiki)
Written by: RCAHMW
Status: record
Llandough-juxta-Penarth, County Series sheet Glamorgan 47 NW (XLVII.6 at 1:2,500) · 20 Oct 2026
Source: FOI request to the Ordnance Survey (FOI-26-46), with map references 38-1-608 and 38-1-334
Written by: The family (requester)
Status: record
Our note: The locator given to the Ordnance Survey, which the OS FOI team quoted back word for word on 26 Oct 2026.
Llandough, near Penarth, Vale of Glamorgan · 27 Jun 2026
Source: Enquiry to the Ordnance Survey, 27 Jun 2026
Written by: The family (requester)
Status: record
Our note: The first locator given to the Ordnance Survey.
Llandough near Cowbridge (CF71) · 26 Oct 2026
Source: Ordnance Survey FOI team, clarification email of 26 Oct 2026
Written by: Ordnance Survey (FOI team)
Status: record
Our note: A different community (Llanfair parish, Cowbridge ward), about 17.4 km due west. Never named in the request. The two Llandoughs are the commonest confusion in this story.
St Dochdwy’s Church, Llandough · current
Source: Church of St Dochdwy (the parish church beside the farm site); NGR about ST 168 733 for the farm
Written by: Ordnance Survey / Church in Wales
Status: record
Our note: The church is the fixed point every map uses to find the farm, which stood immediately north and north-east of it.
Local councils over time
Glamorgan County Council · 24 Sep 1958
Source: Western Mail legal notice, 24 Sep 1958 (EV-0036)
Written by: Western Mail (reporter)
Status: record
Penarth Urban and Cardiff Rural Councils · 20 Nov 1958
Source: Western Mail, 20 Nov 1958: “The Glamorgan County Council, Penarth Urban and Cardiff Rural Councils and Western Ground Rents have walked in and taken …” (EV-0037)
Written by: Western Mail (reporter)
Status: record (OCR)
the former Glamorgan County Council · 16 Apr 1974
Source: Daily Telegraph, 16 Apr 1974 (GHF-E090-N03)
Written by: Daily Telegraph (reporter)
Status: record
Llandough Community Council (formed 1982) · 1982
Source: Woodland & Land-Transfer Assessment: “Llandough Community Council (formed 1982)”
Written by: Local authority
Status: wiki label
Our note: Formation date as stated on the Wiki; record SOURCE PENDING.
Llandough Community Council · 23 Feb 1990
Source: Developer’s 1994 planting plan; South Wales Echo 23 Feb 1990 (EV-0273)
Written by: South Wales Echo (reporter)
Status: record
Vale of Glamorgan Borough Council · c.1990s
Source: Borough planning stamp on the developer’s location map (EV-0133) and older references
Written by: Planning officer (local authority)
Status: record
Vale of Glamorgan Council · 2026
Source: Correspondence 2026
Written by: Correspondents (2026)
Status: record
Penarth Urban District Council · 2026
Source: Glamorgan Archives reply: the area “was not covered by Cardiff Rural District Council but rather Penarth Urban District Council”
Written by: Glamorgan Archives cataloguer
Status: record