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Blaenau Ffestiniog & Trawsfynydd

Middle area

East Gwynedd. 6,050 people (mid-2024 estimate) in 220 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 Blaenau Ffestiniog & Trawsfynydd live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£130,250
263rd cheapest of 7,259
Worked out by Open Index
Population
6,081
Joint 2,865th 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
66.1%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Blaenau Ffestiniog & Trawsfynydd

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Blaenau Ffestiniog & Trawsfynydd at a rate of 100.2 per 1,000 people.

That compares with 88.8 per 1,000 people across Gwynedd.

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 offences276
Anti-social behaviour126
Other crime99
Criminal damage and arson50
Shoplifting22
Burglary17
Vehicle crime7
Drug offences4
Robbery4
Theft from the person1

Source: police.uk, 12 months to August 2026

How Blaenau Ffestiniog & Trawsfynydd compares

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

Blaenau Ffestiniog & TrawsfynyddMiddle
Median sale price17 middle areas, Gwynedd · 2025
Median sale price: every middle area in Gwynedd17 areas from £130,250 to £292,500. The middle area is £203,750. Blaenau Ffestiniog & Trawsfynydd is £130,250.
£130,250cheapest
Population17 middle areas, Gwynedd · 2021
Population: every middle area in Gwynedd17 areas from 5,284 to 8,615. The middle area is 6,660. Blaenau Ffestiniog & Trawsfynydd is 6,081.
6,0814th least populated
People in radon Affected Area squares17 middle areas, Gwynedd · 2022
People in radon Affected Area squares: every middle area in Gwynedd17 areas from 67.0% to 100.0%. The middle area is 100.0%. Blaenau Ffestiniog & Trawsfynydd is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage17 middle areas, Gwynedd · Jan 2026
Gigabit broadband coverage: every middle area in Gwynedd17 areas from 34.3% to 94.5%. The middle area is 72.8%. Blaenau Ffestiniog & Trawsfynydd is 66.1%.
66.1%7th lowest

Is Blaenau Ffestiniog & Trawsfynydd safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Blaenau Ffestiniog & Trawsfynydd at a rate of 100.2 per 1,000 people.

That compares with 88.8 per 1,000 people across Gwynedd.

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

In August 2026 alone, 82 cases of crime and anti-social behaviour were recorded in Blaenau Ffestiniog & Trawsfynydd.

In the 12 months to August 2026, the most common types were violence and sexual offences (276), anti-social behaviour (126) and other crime (99).

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 Gwynedd

These figures are published for the whole of Gwynedd, not for each middle area, so they describe all of Gwynedd and not Blaenau Ffestiniog & Trawsfynydd alone. See Gwynedd

Average house price
£203,555
Up 4.1% in a year
HM Land Registry · Aug 2026
Median full-time pay
£32,868
17th lowest paid of 348
ONS earnings survey · 2025
House price to pay
6.2×
Joint 107th most affordable of 348
Worked out by Open Index
Population estimate
120,295
Down 0.3% in a year
ONS population estimates · 2025
Blaenau Ffestiniog & Trawsfynydd in brief

The median price paid for a home in Blaenau Ffestiniog & Trawsfynydd was £130,250 in 2025.

Blaenau Ffestiniog & Trawsfynydd had 6,081 usual residents at the census.

About 100% of people in Blaenau Ffestiniog & Trawsfynydd live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Blaenau Ffestiniog & Trawsfynydd, 66.1% of homes and businesses could get gigabit-capable broadband in January 2026.