Ynysddu
WardSouth Caerphilly. About 3,992 people in 14 square kilometres.
Gigabit coverage by ward
Connected Nations (Ofcom) · January 2026
Under 60%98% or more
In Ynysddu, 92.9% of homes and businesses could get gigabit-capable broadband in January 2026.
How Ynysddu compares
Each dot is a ward. The black line marks the middle one.
YnysdduMiddle
Population31 wards, Caerphilly · 2021
3,9687th lowest
Gigabit broadband coverage31 wards, Caerphilly · Jan 2026
92.9%13th lowest
Claimant rate31 wards, Caerphilly · Aug 2026
3.5%joint 13th highest
Aged 15 to 6431 wards, Caerphilly · 2021
65.6%2nd highest
Figures for the whole of Caerphilly
These figures are published for the whole of Caerphilly, not for each ward, so they describe all of Caerphilly and not Ynysddu alone. See Caerphilly
Ynysddu in brief
Ynysddu had 3,968 usual residents at the census.
In Ynysddu, 92.9% of homes and businesses could get gigabit-capable broadband in January 2026.
In Ynysddu, 3.5% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.
65.6% of residents in Ynysddu were aged 15 to 64 at the census.