Photo: Roger Cornfoot · CC BY-SA 2.0Old homes in Ynysddu: 71% built before 1919
Against 15% in the typical town, Ynysddu has 5 times the share. Cadw lists no buildings inside Ynysddu’s built-up area.
Listed buildings near Ynysddu
The nearest places with Grade I listed buildings, within 25 km.
| Town | Distance | Listed | Grade I | History |
|---|---|---|---|---|
| Caerphilly | 6 km | 17 | 1 | C |
| Trelewis | 8.9 km | 2 | 1 | C+ |
| Pontypridd | 10 km | 85 | 1 | A |
| Cardiff | 14 km | 699 | 14 | A− |
| Newport | 14 km | 226 | 3 | B+ |
| St Fagans | 17 km | 93 | 1 | — |
71% of Ynysddu’s homes were built before 1919
Every home by when it was built, from council tax records, against England & Wales (the dark tick).
18% of homes are Victorian or older, against 16% across England and Wales. The busiest period since was 1900–18, which added 55% of today’s homes.
Valuation Office Agency, council tax stock of properties by build period, 31 March 2025, for the neighbourhoods (LSOAs) that make up the town, split by where their residents live. Homes with no recorded build period (0 here) are left out; 1939–44 is not a period in the data.
Ynysddu in brief
Old houses are part of Ynysddu’s character: 71% of its homes were built before 1919, against 15% in the typical UK town. Ynysddu has nothing on the list; Caerphilly, 6 km away, is the nearest place with Grade I buildings. The rest is about typical: William Thomas (1832) was born here before 1900.
Ynysddu has no History Grade.
Listed buildings, scheduled monuments and historic parks and gardens: Cadw, © Crown copyright, via DataMapWales.
Sources: Cadw listed buildings, scheduled monuments and registered historic parks and gardens via DataMapWales, October 2026, inside the ONS 2022 built-up-area boundary · Valuation Office Agency, Council Tax: stock of properties by build period (31 March 2025) · TownRatings grades: our own summary of the data, ranked against UK towns only. All under the Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.