Ynysddu on the map
Built-up area0.2 km² (0.1 sq mi)
Location in CaerphillyYnysddu sits where the marker shows within the county.
About Ynysddu
Ynysddu is a village located in the county of Caerphilly, Wales, within the NP11 postcode area. It is situated near the banks of the River Sirhowy, offering a scenic view of the surrounding countryside. The village is primarily residential, with a mix of traditional and modern housing. Local amenities include a primary school, a few shops, and a community centre, catering to the needs of its inhabitants.
The area is well-connected, with access to nearby towns such as Risca and Caerphilly. Public transport options are available, making it convenient for residents to commute. Ynysddu is also close to various walking trails, providing opportunities for outdoor activities and exploration of the natural landscape. The village has a strong sense of community, with local events and activities that encourage social interaction among residents.
School Ratings in Ynysddu
Ynysddu is served by 77 schools.
House Prices in Ynysddu
Property prices average £181K across the area, and terraced houses are the most common property type, typically selling for £132K.
Crime and Anti-Social Behaviour in Ynysddu
Local crime rates sit lower than national averages. Anti-social behaviour accounts for the highest share in Ynysddu, with 30 incidents logged in May 2026.
Healthcare in Ynysddu
There are 6 GP surgeries within three miles of Ynysddu, the nearest being Caerphilly Lhb (1.9 miles away).
Local Data for Ynysddu
Dig deeper into the area around Ynysddu with our free postcode tools.
Property Prices 4,466 sales
Schools & Education 12 nearby View all schools
Household Income in Ynysddu ONS 2023
The average total household income in Ynysddu is approximately £42,320 a year before tax, 23% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £32,910. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.
Net (after tax) household income averages £32,910.
Businesses in Ynysddu ONS 2025
There are approximately 768 active businesses based in Ynysddu, around 21 for every 1,000 residents. The local economy is dominated by small firms: about 89% are micro-businesses employing fewer than 10 people, while 19 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.
Crime in Ynysddu 84 crimes · May 2026
Reported crime in Ynysddu falls below the national average, suggesting a comparatively safe environment. Anti-social behaviour tops the list of recorded incidents, but figures are low overall. Residents and visitors alike tend to find this a quiet and reassuring town.
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.
Nearest Train Stations 6 stations
Location
Nearby Towns & Villages 12 found
Local Government
Home Ownership in Ynysddu
Of the 16,487 households in and around Ynysddu, 68% are owned, 18% are socially rented and 14% are privately rented. Home ownership here is higher than the England and Wales average of 63%.
Tenure from the 2021 Census (ONS), for the postcode districts covering Ynysddu.



