Comparison

Cardiff vs Swansea

Renting in Cardiff costs £324/month more than Swansea.

Wales  vs  Wales

Average rent
Cardiff
£1,157/mo
Swansea
£833/mo
Lower
£324 difference
Average earnings
Cardiff
£32,756/yr
Higher
Swansea
£32,091/yr
£665 difference
Average house price
Cardiff
£266,000
Swansea
£197,000
£69,000 (35%)

Rent comparison

Bedrooms
Cardiff
Overall
£1,157/mo
£833/mo
1 Bed
£894/mo
£674/mo
2 Bed
£1,068/mo
£780/mo
3 Bed
£1,186/mo
£875/mo
4+ Bed
£1,680/mo
£1,252/mo

Overall, renting in Swansea is £324/month cheaper than Cardiff - that's £3,888/year.

Source: ONS Price Index of Private Rents (PIPR)

Earnings comparison

Cardiff - average
£32,756/yr
Swansea - average
£32,091/yr

Residents of Cardiff earn £665/year more than those in Swansea.

Affordability insight
Cardiff
42%
of gross earnings on rent
Swansea
31%
of gross earnings on rent

Source: ONS Annual Survey of Hours and Earnings

House prices comparison

Property type
Cardiff
Average
£266,000
£197,000
Detached
£445,000
£338,500
Semi-detached
£310,000
£200,000
Terraced
£260,000
£153,000
Flat
£165,000
£134,250

House prices in Cardiff are £69,000 (35%) higher than in Swansea.

Over the last 10 years, house prices in Cardiff have risen by 56.5%, compared to 48.1% in Swansea.

Source: ONS / HM Land Registry

Council tax comparison

Cardiff - Band D
£2,013/yr
Swansea - Band D
£2,238/yr

You would pay £225/year more in council tax (Band D) living in Swansea than in Cardiff.

Band
Cardiff
Band A
£1,342
£1,492
Band B
£1,566
£1,741
Band C
£1,789
£1,990
Band D
Benchmark
£2,013
£2,238
Band E
£2,461
£2,736
Band F
£2,908
£3,233
Band G
£3,355
£3,730
Band H
£4,026
£4,477
Band I
£4,697
£5,223

Source: MHCLG / Scottish Government / Welsh Government

Band D is used as the standard benchmark for comparing council tax across areas. Other bands are set as fixed proportions of the Band D amount.

Energy comparison

Cardiff
Annual
£1,641
£1,641
Monthly
£137
£137
Energy region
South Wales
South Wales

Energy estimates are based on the Ofgem price cap, which is set nationally. Regional variation is small; we show the same headline figure across regions for transparency.

Source: Ofgem Energy Price Cap, Q2 2026

Water comparison

Cardiff
Annual
£627
£627
Monthly
£52
£52
Water company
Dwr Cymru Welsh Water
Dwr Cymru Welsh Water

Source: Water UK / Discover Water, 2026-27

Water company boundaries don't always align cleanly with local authority boundaries; the company shown here is the most common provider in each area.

Crime comparison

Cardiff
968/10k
#247 of 303
Swansea
764/10k
#177 of 303
Crime type
Cardiff
Overall crime rate
968 /10k
764 /10k
Violence & sexual
342 /10k
337 /10k
Burglary
37 /10k
16 /10k
Theft
321 /10k
175 /10k
Criminal damage
81 /10k
66 /10k
Drug offences
41 /10k
43 /10k
Public order
112 /10k
93 /10k

Cardiff has a higher crime rate than Swansea, with 968 vs 764 recorded crimes per 10,000 people.

Source: Home Office / Scottish Government recorded crime

Recording practices vary between police forces. Crime rates reflect reported and recorded crime only.

Compare different areas

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Data on this page is sourced from: ONS Price Index of Private Rents (PIPR), Scottish Government Private Sector Rent Statistics, ONS Annual Survey of Hours and Earnings, ONS / HM Land Registry House Price Statistics, MHCLG / Scottish Government / Welsh Government council tax data, Ofgem Energy Price Cap, and Water UK / Discover Water. All official data is published under the Open Government Licence.