The British Isles
Country houses, walled gardens, coast.
- Grade I listed building
Trecarrell Manor
Lezant · South West England — United Kingdom
Trecarrell Manor is a Grade I listed building in Lezant, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.
- Grade II listed building
Tredea Manor
Perranarworthal · South West England — United Kingdom
Tredea Manor is a Grade II listed building in Perranarworthal, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.
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Tredegar House
Newport — United Kingdom
Tredegar House is a château at Newport, Wales, in the United Kingdom. The recorded building campaign dates from the 17th century. The register records it as “Grade I listed building”. Details are drawn from Wikidata.
- Grade II listed building
Tredudwell Manor
Lanteglos · South West England — United Kingdom
Tredudwell Manor is a Grade II listed building in Lanteglos, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.
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Tregarden
St Mabyn · South West England — United Kingdom
Tregarden is a Grade II* listed building in St Mabyn, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.
- Grade II listed building
Tregea Manor
Portreath · South West England — United Kingdom
Tregea Manor is a Grade II listed building in Portreath, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.
- Grade II listed building
Treharrock Manor
St Kew · South West England — United Kingdom
Treharrock Manor is a Grade II listed building in St Kew, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.
- Grade II* listed building
Trelissick Manor House, Farmhouse And Cottage, Including Front And Rear Garden Wall, Summer House, Gate Piers And Gate
St Erth · South West England — United Kingdom
Trelissick Manor House, Farmhouse And Cottage, Including Front And Rear Garden Wall, Summer House, Gate Piers And Gate is a Grade II* listed building in St Erth, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.
- Grade II listed building
Treluggan Manor
Landrake with St Erney · South West England — United Kingdom
Treluggan Manor is a Grade II listed building in Landrake with St Erney, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.

Trematon Castle
Saltash · South West England — United Kingdom
Trematon Castle is a château at Saltash, England, in the United Kingdom. Its architecture is recorded as Norman architecture. The register records it as “scheduled monument”. Details are drawn from Wikidata.
- Grade II listed building
Trenant Park
Duloe · South West England — United Kingdom
Trenant Park is a Grade II listed building in Duloe, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.

Treneere Manor
Penzance · South West England — United Kingdom
Treneere Manor is a Grade II* listed building in Penzance, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.
Trent Park House
London Borough of Enfield · United Kingdom — United Kingdom
Trent Park House is a Grade II listed building in London Borough of Enfield, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.
- Grade II listed building
Trenython
Tywardreath and Par · South West England — United Kingdom
Trenython is a Grade II listed building in Tywardreath and Par, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.

Trereife House
Penzance · South West England — United Kingdom
Trereife House is a château at Penzance, England, in the United Kingdom. Its architecture is recorded as Queen Anne style. The register records it as “Grade II* listed building”. Details are drawn from Wikidata.

Tretower Castle
Cwmdu and District — United Kingdom
Tretower Castle is a fortified tower at Cwmdu and District, Wales, in the United Kingdom. The recorded building campaign dates from the 12th century. The register records it as “scheduled monument”. Details are drawn from Wikidata.

Tretower Court
Cwmdu — United Kingdom
Tretower Court is a fortified tower at Cwmdu, Wales, in the United Kingdom. The recorded building campaign dates from the 15th century. The register records it as “scheduled monument”. Details are drawn from Wikidata.

Trevalyn Hall
Rossett — United Kingdom
Trevalyn Hall is a château at Rossett, Wales, in the United Kingdom. The recorded building campaign dates from the 16th century. The register records it as “Grade II* listed building”. Details are drawn from Wikidata.
- Grade II* listed building
Treverbyn Vean
St Neot · South West England — United Kingdom
Treverbyn Vean is a Grade II* listed building in St Neot, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.

Trewithen House
Probus · South West England — United Kingdom
Trewithen House is a Grade I listed building in Probus, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.

Treyford Manor
Elsted and Treyford · South East England — United Kingdom
Treyford Manor is a Grade II* listed building in Elsted and Treyford, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.

Triermain Castle
Waterhead · North West England — United Kingdom
Triermain Castle is a château at Waterhead, England, in the United Kingdom. The recorded building campaign dates from the 12th century. The register records it as “scheduled monument”. Details are drawn from Wikidata.

Trim Castle
Trim — Ireland
Trim Castle is a château at Trim, Meath, in Ireland. The recorded building campaign dates from the 12th century. Its architecture is recorded as Norman architecture. The register records it as “national monument of Ireland”. Details are drawn from Wikidata.
- Grade II listed building
Trimworth Manor
Crundale · South East England — United Kingdom
Trimworth Manor is a Grade II listed building in Crundale, England, United Kingdom. This concise register entry is based on Historic England’s National Heritage List for England.