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Mynydd-bach

Middle area

East Swansea. 9,246 people (mid-2024 estimate) in 3.6 square kilometres.

Open in map

Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 44% of people in Mynydd-bach live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£183,000
Joint 1,116th cheapest of 7,259
Worked out by Open Index
Population
8,947
2,181st most populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
44%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
99.1%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Mynydd-bach

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Mynydd-bach at a rate of 78.2 per 1,000 people.

That compares with 87.1 per 1,000 people across Swansea.

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 offences331
Other crime159
Shoplifting65
Anti-social behaviour61
Criminal damage and arson57
Drug offences19
Burglary14
Vehicle crime10
Robbery5
Theft from the person2

Source: police.uk, 12 months to August 2026

How Mynydd-bach compares

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

Mynydd-bachMiddle
Median sale price30 middle areas, Swansea · 2025
Median sale price: every middle area in Swansea30 areas from £121,000 to £400,000. The middle area is £193,400. Mynydd-bach is £183,000.
£183,00014th cheapest
Population30 middle areas, Swansea · 2021
Population: every middle area in Swansea30 areas from 5,028 to 10,502. The middle area is 8,044. Mynydd-bach is 8,947.
8,9477th most populated
People in radon Affected Area squares30 middle areas, Swansea · 2022
People in radon Affected Area squares: every middle area in Swansea30 areas from 10.0% to 100.0%. The middle area is 93.0%. Mynydd-bach is 44.0%.
44%3rd fewest people in radon Affected Areas
Gigabit broadband coverage30 middle areas, Swansea · Jan 2026
Gigabit broadband coverage: every middle area in Swansea30 areas from 47.1% to 99.9%. The middle area is 95.7%. Mynydd-bach is 99.1%.
99.1%6th highest

Is Mynydd-bach safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Mynydd-bach at a rate of 78.2 per 1,000 people.

That compares with 87.1 per 1,000 people across Swansea.

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

In August 2026 alone, 57 cases of crime and anti-social behaviour were recorded in Mynydd-bach.

In the 12 months to August 2026, the most common types were violence and sexual offences (331), other crime (159) and shoplifting (65).

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 Swansea

These figures are published for the whole of Swansea, not for each middle area, so they describe all of Swansea and not Mynydd-bach alone. See Swansea

Average house price
£205,383
Down 0.2% in a year
HM Land Registry · Jul 2026
Median full-time pay
£36,586
111th 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
249,429
Down 0.5% in a year
ONS population estimates · 2025
Mynydd-bach in brief

The median price paid for a home in Mynydd-bach was £183,000 in 2025.

Mynydd-bach had 8,947 usual residents at the census.

About 44% of people in Mynydd-bach live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Mynydd-bach, 99.1% of homes and businesses could get gigabit-capable broadband in January 2026.