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Birchgrove

Middle area

North Cardiff. 6,077 people (mid-2024 estimate) in 1.1 square kilometres.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 53% of people in Birchgrove live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£343,000
Joint 2,760th most expensive of 7,259
Worked out by Open Index
Population
5,906
Joint 2,628th least populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
53%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
98.2%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Birchgrove

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Birchgrove at a rate of 45.1 per 1,000 people.

That compares with 112.2 per 1,000 people across Cardiff.

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 offences79
Other crime61
Vehicle crime44
Anti-social behaviour38
Criminal damage and arson27
Shoplifting13
Burglary9
Drug offences2
Robbery1
Theft from the person0

Source: police.uk, 12 months to August 2026

How Birchgrove compares

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

BirchgroveMiddle
Median sale price48 middle areas, Cardiff · 2025
Median sale price: every middle area in Cardiff48 areas from £160,000 to £557,500. The middle area is £269,000. Birchgrove is £343,000.
£343,00013th most expensive
Population48 middle areas, Cardiff · 2021
Population: every middle area in Cardiff48 areas from 5,697 to 12,253. The middle area is 7,156. Birchgrove is 5,906.
5,9065th least populated
People in radon Affected Area squares48 middle areas, Cardiff · 2022
People in radon Affected Area squares: every middle area in Cardiff48 areas from 0.0% to 100.0%. The middle area is 78.5%. Birchgrove is 53.0%.
53%18th fewest people in radon Affected Areas
Gigabit broadband coverage48 middle areas, Cardiff · Jan 2026
Gigabit broadband coverage: every middle area in Cardiff48 areas from 77.2% to 100.0%. The middle area is 97.0%. Birchgrove is 98.2%.
98.2%joint 13th highest

Is Birchgrove safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Birchgrove at a rate of 45.1 per 1,000 people.

That compares with 112.2 per 1,000 people across Cardiff.

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

In August 2026 alone, 21 cases of crime and anti-social behaviour were recorded in Birchgrove.

In the 12 months to August 2026, the most common types were violence and sexual offences (79), other crime (61) and vehicle crime (44).

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 Cardiff

These figures are published for the whole of Cardiff, not for each middle area, so they describe all of Cardiff and not Birchgrove alone. See Cardiff

Average house price
£272,252
Up 2.7% in a year
HM Land Registry · Jul 2026
Median full-time pay
£36,946
121st lowest paid of 348
ONS earnings survey · 2025
House price to pay
7.4×
Joint 167th least affordable of 348
Worked out by Open Index
Population estimate
381,516
Down 0.1% in a year
ONS population estimates · 2025
Birchgrove in brief

The median price paid for a home in Birchgrove was £343,000 in 2025.

Birchgrove had 5,906 usual residents at the census.

About 53% of people in Birchgrove live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Birchgrove, 98.2% of homes and businesses could get gigabit-capable broadband in January 2026.