1,662
Households
White Brit. · 96%
Ethnicity
No religion · 59%
Religion
Around average
Avg IMD
£160,900
Median property price
107
Postcodes
Sold prices in Ynysddu
England & WalesProperty sales · Ynysddu
HM Land Registry · Ynysddu
Average price
£197,437
YoY: +17.8%
Median price: £160,000
Property type filter
Recent sale price trend
Aug '24 – Jul '26Jul '26: 1 sales · avg £170,000
X axis: MonthY axis: Avg sold price (hover shows sales count)
£430k£282k£134k
Aug '24Feb '25Aug '25Feb '26Jul '26
Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0.
School applications
We've matched this area to Caerphilly.
You apply through this education local authority even if the school is in another council area.
Apply for a primary place via CaerphillyApply for a secondary placeAdmissions and composite prospectus guidanceHome education — find your councilHome education guidance
GOV.UK is the official apply and admissions handoff. We do not link a generic council homepage. Per-LA composite prospectus URLs are not in the API yet.
Amenities in Ynysddu
GPs make up most of the mapped places
19 GPs · 16 Libraries · 4 Hospitals · 41 in all
- GPs19
- Libraries16
- Hospitals4
- Museums2
OpenStreetMap · selected tags only · council totals; wards use the parent figure
Overview of Ynysddu
Coordinates51.6226, -3.1740
Postcodes
107
Population (Census)
3,960
Households (Census)
1,662
Demographics in Ynysddu
Ethnicity
White Brit.96.2%
Other White1.4%
+ other · 2.3%
Religion
No religion58.7%
Christian35.0%
Not answered5.3%
+ other · 1.1%
Age groups
50–6421.2%
35–4920.5%
25–3413.7%
65–749.7%
5–96.7%
+ 6 other age groups · 28.3%
Households
Other17.1%
Married or civil partnership couple: Dependent children12.4%
Married or civil partnership couple: No children12.0%
Any member 66+11.4%
Married or civil partnership couple: All children non-dependent7.8%
+ 8 other households · 39.2%
Area Deprivation (Average IMD) for Ynysddu
Area IMD profile
This area-level value is averaged from postcode IMD deciles within the area boundary.
Around average
Mean decile 5.40 (1 = most deprived, 10 = least)
1 - Most deprived10 - Least deprived
Overall this area reads as Around average on relative deprivation, with a mean IMD decile of 5.40 (average of postcode-level deciles in this boundary).
Postcode Districts in Ynysddu
Postcodes in Ynysddu
NP11 7AUNP11 7AWNP11 7AXNP11 7AYNP11 7BANP11 7BBNP11 7BDNP11 7BJNP11 7BNNP11 7BPNP11 7DPNP11 7GNNP11 7GTNP11 7GUNP11 7GWNP11 7GXNP11 7GYNP11 7GZNP11 7HANP11 7HBNP11 7HDNP11 7HENP11 7HFNP11 7HGNP11 7HHNP11 7HJNP11 7HLNP11 7HNNP11 7HPNP11 7HQNP11 7HRNP11 7HSNP11 7HTNP11 7HUNP11 7HWNP11 7HXNP11 7HYNP11 7HZNP11 7JANP11 7JDNP11 7JENP11 7JFNP11 7JGNP11 7JHNP11 7JJNP11 7JLNP11 7JNNP11 7JPNP11 7JQNP11 7JRNP11 7JSNP11 7JTNP11 7JUNP11 7JWNP11 7JXNP11 7JYNP11 7JZNP11 7LANP11 7LBNP11 7LDNP11 7LENP11 7LFNP11 7LGNP11 7LHNP11 7LJNP11 7LLNP11 7LNNP11 7NRNP11 7NYNP11 7NZNP11 7PTNP11 7PUNP11 7PXNP11 7QDNP11 7QENP11 7QFNP11 7QGNP11 7QHNP11 7QJNP11 7QLNP11 7QNNP11 7QPNP11 7QQNP11 7QRNP11 7QSNP11 7QTNP11 7QUNP11 7QWNP11 7QXNP11 7QYNP11 7QZNP11 7RANP11 7RBNP11 7RENP11 7RFNP12 2BQNP12 2HBNP12 2HHNP12 2HJNP12 2HLNP12 2HNNP12 2HPNP12 2HQNP12 2HUNP12 2HWNP12 2JBNP12 2NH