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New Tredegar & Darren Valley

Middle area

North west Caerphilly. 7,124 people (mid-2024 estimate) in 29 square kilometres.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 100% of people in New Tredegar & Darren Valley live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£115,000
Joint 113th cheapest of 7,259
Worked out by Open Index
Population
7,087
Joint 4,374th least populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
100%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
60.3%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in New Tredegar & Darren Valley

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in New Tredegar & Darren Valley at a rate of 104.2 per 1,000 people.

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

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

Recorded by police, 12 months to August 2026
Kind of crimeRecorded
Violence and sexual offences290
Other crime140
Anti-social behaviour137
Criminal damage and arson90
Vehicle crime50
Burglary24
Drug offences10
Shoplifting1
Robbery0
Theft from the person0

Source: police.uk, 12 months to August 2026

How New Tredegar & Darren Valley compares

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

New Tredegar & Darren ValleyMiddle
Median sale price24 middle areas, Caerphilly · 2025
Median sale price: every middle area in Caerphilly24 areas from £115,000 to £265,000. The middle area is £193,250. New Tredegar & Darren Valley is £115,000.
£115,000cheapest
Population24 middle areas, Caerphilly · 2021
Population: every middle area in Caerphilly24 areas from 5,085 to 10,624. The middle area is 7,128. New Tredegar & Darren Valley is 7,087.
7,08711th least populated
People in radon Affected Area squares24 middle areas, Caerphilly · 2022
People in radon Affected Area squares: every middle area in Caerphilly24 areas from 9.0% to 100.0%. The middle area is 94.5%. New Tredegar & Darren Valley is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage24 middle areas, Caerphilly · Jan 2026
Gigabit broadband coverage: every middle area in Caerphilly24 areas from 44.3% to 98.4%. The middle area is 94.3%. New Tredegar & Darren Valley is 60.3%.
60.3%2nd lowest

Is New Tredegar & Darren Valley safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in New Tredegar & Darren Valley at a rate of 104.2 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, 77 cases of crime and anti-social behaviour were recorded in New Tredegar & Darren Valley.

In the 12 months to August 2026, the most common types were violence and sexual offences (290), other crime (140) and anti-social behaviour (137).

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 middle area, so they describe all of Caerphilly and not New Tredegar & Darren Valley alone. See Caerphilly

Average house price
£198,545
Up 4.4% in a year
HM Land Registry · Aug 2026
Median full-time pay
£35,367
78th lowest paid of 348
ONS earnings survey · 2025
House price to pay
5.6×
Joint 66th most affordable of 348
Worked out by Open Index
Population estimate
176,078
Down 0.1% in a year
ONS population estimates · 2025
New Tredegar & Darren Valley in brief

The median price paid for a home in New Tredegar & Darren Valley was £115,000 in 2025.

New Tredegar & Darren Valley had 7,087 usual residents at the census.

About 100% of people in New Tredegar & Darren Valley live in a 1 km square that the radon atlas marks as a radon Affected Area.

In New Tredegar & Darren Valley, 60.3% of homes and businesses could get gigabit-capable broadband in January 2026.