Detached
£515,409
65% above the South Glamorgan average
17.1% of sales
What is the average house price in South Glamorgan? £312,648
The average house price in South Glamorgan is £312,648, based on 5,754 homes sold in the 12 months to September 2026. Prices are up 1.3% (£4,043) on a year earlier.
- 1 year change
- +1.3%
- Sold in 12 months
- 5,754
- Data up to
- September 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in South Glamorgan?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£341,356
9% above the South Glamorgan average
25.7% of sales
Terraced
£274,887
12% below the South Glamorgan average
37.4% of sales
Flats
£177,132
43% below the South Glamorgan average
19.9% of sales
Are house prices in South Glamorgan going up or down?
House prices in South Glamorgan are rising: up 1.3% (£4,043) over the past year. Over the past 10 years, prices are up 45.5% (£97,790).
Past 12 months
+1.3%
+£4,043From £308,605 to £312,648
£317,564£308,605
Past 10 years
+45.5%
+£97,790From £214,858 to £312,648
£312,648£214,858
Quick answers for South Glamorgan
10 key facts at a glance.
When did prices peak?
£350,382
Highest average, reached in December 2025
How many homes sold?
5,754
Recorded so far for the 12 months to September 2026
What sells most often?
Terraced houses
37.4% of recent sales
What is the most common price range?
£200k - £300k
33.5% of sales
How many people live in South Glamorgan?
494,308
2,617 people per square mile · Very High (Census 2021)
Population density is Very High, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in South Glamorgan?
204,767
1,084 households per square mile · Very High (Census 2021)
Household density is Very High, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in South Glamorgan?
35 m² per resident
More green space per resident than 58% of areas in England and Wales. That's about 5 football pitches for every 1,000 residents.
3.6% of the area · 180 public parks. Parks, playing fields, allotments and other public green space, not counting golf courses. Contains OS data © Crown copyright and database right 2026.
What is the crime rate in South Glamorgan?
95 crimes per 1,000 residents
Very High · +4.1% on the previous year · 12 months to September 2026
Crime rate is Very High, on a scale from Very Low to Very High.
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
Which areas cost the most and least?
Most expensive
Vale of Glamorgan
£331,466
Least expensive
Cardiff
£304,697
How does South Glamorgan rank?
1st most expensive area of Cymru / Wales.
Compared with 17 areas
What are the most expensive homes sold in South Glamorgan?
The highest recorded sale prices in South Glamorgan, from HM Land Registry.
How do house prices in South Glamorgan compare with nearby areas?
South Glamorgan compared with the 6 nearest other areas in Cymru / Wales.
South Glamorgan vs Mid Glamorgan
- South Glamorgan
- £312,648
- Mid Glamorgan
- £196,125−£116,523
Open comparison
South Glamorgan vs Caerphilly
- South Glamorgan
- £312,648
- Caerphilly
- £211,251−£101,397
Open comparison
South Glamorgan vs Newport
- South Glamorgan
- £312,648
- Newport
- £253,865−£58,783
Open comparison
South Glamorgan vs Blaenau Gwent
- South Glamorgan
- £312,648
- Blaenau Gwent
- £150,699−£161,949
Open comparison
South Glamorgan vs Torfaen
- South Glamorgan
- £312,648
- Torfaen
- £216,438−£96,210
Open comparison
South Glamorgan vs West Glamorgan
- South Glamorgan
- £312,648
- West Glamorgan
- £208,970−£103,678
Open comparison
Which areas of South Glamorgan are most expensive?
Average sold price in each of the 2 areas of South Glamorgan, most expensive first.
- 1
£331,466
Change over one year: +0.4%
- 2
£304,697
Change over one year: +1.8%
Thinking of buying in South Glamorgan?
There's a lot to think about. Whether it's a home to live in or a buy-to-let, our free checklist walks you through what to check before you make an offer.
What to check before you buyWhere does this data come from?
Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
Last updated 6 November 2026 at 00:09 with the latest Land Registry data (September 2026). The South Glamorgan dataset covers 24,634 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.