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Corris a Mawddwy

Ward

South east Gwynedd. About 1,257 people (mid-2024 estimate) in 165 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 Corris a Mawddwy live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
1,257
25th 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
46.3%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
3.3%
UK 3.9%
ONS via Nomis · Aug 2026

How Corris a Mawddwy compares

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

Corris a MawddwyMiddle
Population65 wards, Gwynedd · 2021
Population: every ward in Gwynedd65 areas from 1,015 to 6,710. The middle area is 1,656. Corris a Mawddwy is 1,257.
1,25710th least populated
People in radon Affected Area squares65 wards, Gwynedd · 2022
People in radon Affected Area squares: every ward in Gwynedd65 areas from 0.0% to 100.0%. The middle area is 100.0%. Corris a Mawddwy is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage65 wards, Gwynedd · Jan 2026
Gigabit broadband coverage: every ward in Gwynedd65 areas from 11.1% to 99.2%. The middle area is 79.3%. Corris a Mawddwy is 46.3%.
46.3%14th lowest
Claimant rate59 wards, Gwynedd · Aug 2026
Claimant rate: every ward in Gwynedd59 areas from 0.7% to 6.9%. The middle area is 2.5%. Corris a Mawddwy is 3.3%.
3.3%joint 17th highest

Is Corris a Mawddwy safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Corris a Mawddwy at a rate of 40.6 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, 11 cases of crime and anti-social behaviour were recorded in Corris a Mawddwy.

In the 12 months to August 2026, the most common types were violence and sexual offences (22), anti-social behaviour (13) and other crime (6).

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 ward, so they describe all of Gwynedd and not Corris a Mawddwy 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
Corris a Mawddwy in brief

Corris a Mawddwy had 1,257 usual residents at the census.

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

In Corris a Mawddwy, 46.3% of homes and businesses could get gigabit-capable broadband in January 2026.

In Corris a Mawddwy, 3.3% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.