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Bedwas and Trethomas

Ward

South Caerphilly. About 6,702 people in 10 square kilometres.

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Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

About 100% of people in Bedwas and Trethomas live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
6,463
3,961st least populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
100%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
95.3%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
3.6%
UK 3.9%
ONS via Nomis · Aug 2026

How Bedwas and Trethomas compares

Each dot is a ward. The black line marks the middle one.

Bedwas and TrethomasMiddle
Population31 wards, Caerphilly · 2021
Population: every ward in Caerphilly31 areas from 1,997 to 12,217. The middle area is 5,486. Bedwas and Trethomas is 6,463.
6,46310th most populated
People in radon Affected Area squares31 wards, Caerphilly · 2022
People in radon Affected Area squares: every ward in Caerphilly31 areas from 0.0% to 100.0%. The middle area is 95.0%. Bedwas and Trethomas is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage31 wards, Caerphilly · Jan 2026
Gigabit broadband coverage: every ward in Caerphilly31 areas from 42.6% to 98.8%. The middle area is 93.3%. Bedwas and Trethomas is 95.3%.
95.3%8th highest
Claimant rate31 wards, Caerphilly · Aug 2026
Claimant rate: every ward in Caerphilly31 areas from 1.8% to 5.6%. The middle area is 3.5%. Bedwas and Trethomas is 3.6%.
3.6%joint 11th highest

Is Bedwas and Trethomas safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Bedwas and Trethomas at a rate of 98.8 per 1,000 people.

That compares with 107.3 per 1,000 people across Caerphilly.

Across Wales as a whole, the recorded crime rate was 96.7 per 1,000 people.

In August 2026 alone, 67 cases of crime and anti-social behaviour were recorded in Bedwas and Trethomas.

In the 12 months to August 2026, the most common types were violence and sexual offences (286), other crime (138) and anti-social behaviour (126).

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

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 Bedwas and Trethomas alone. See Caerphilly

Average house price
£197,542
Up 4.2% in a year
HM Land Registry · Jul 2026
Median full-time pay
£35,367
78th lowest paid of 348
ONS earnings survey · 2025
House price to pay
5.6×
Joint 65th most affordable of 348
Worked out by Open Index
Population estimate
176,078
Down 0.1% in a year
ONS population estimates · 2025
Bedwas and Trethomas in brief

Bedwas and Trethomas had 6,463 usual residents at the census.

About 100% of people in Bedwas and Trethomas live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Bedwas and Trethomas, 95.3% of homes and businesses could get gigabit-capable broadband in January 2026.

In Bedwas and Trethomas, 3.6% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.