Detached
£486,166
33% above the South Marston average
50.0% of sales
What is the average house price in South Marston? £364,842
The average house price in South Marston is £364,842, based on 19 homes sold in the 12 months to September 2026. Prices are down 19.0% (£85,716) on a year earlier.
- 1 year change
- −19.0%
- Sold in 12 months
- 19
- 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 Marston?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£327,625
10% below the South Marston average
34.8% of sales
Terraced
£278,800
24% below the South Marston average
15.2% of sales
Are house prices in South Marston going up or down?
House prices in South Marston are falling: down 19.0% (£85,716) over the past year. Over the past 10 years, prices are down 25.5% (£124,680).
Past 12 months
−19.0%
−£85,716From £450,558 to £364,842
£458,725£364,842
Past 10 years
−25.5%
−£124,680From £489,522 to £364,842
£489,522£314,277
Quick answers for South Marston
9 key facts at a glance.
When did prices peak?
£640,000
Highest average, reached in July 2022
How many homes sold?
19
Recorded so far for the 12 months to September 2026
What sells most often?
Detached houses
50.0% of recent sales
What is the most common price range?
£300k - £400k
30.4% of sales
How many people live in South Marston?
867
289 people per square mile · High (Census 2021)
Population density is High, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in South Marston?
346
115 households per square mile · High (Census 2021)
Household density is High, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in South Marston?
59 m² per resident
More green space per resident than 79% of areas in England and Wales. That's about 8.3 football pitches for every 1,000 residents.
0.7% of the area · 0 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 Marston?
195 crimes
−3.9% on the previous year · 12 months to September 2026
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
How does South Marston rank?
10th most expensive area of Swindon.
Compared with 20 areas
What are the most expensive homes sold in South Marston?
The highest recorded sale prices in South Marston, from HM Land Registry.
How do house prices in South Marston compare with nearby areas?
South Marston compared with the 6 nearest other areas in Swindon.
South Marston vs Stratton St. Margaret
- South Marston
- £364,842
- Stratton St. Margaret
- £294,311−£70,531
Open comparison
South Marston vs Covingham
- South Marston
- £364,842
- Covingham
- £293,755−£71,087
Open comparison
South Marston vs Stanton Fitzwarren
- South Marston
- £364,842
- Stanton Fitzwarren
- £660,000+£295,158
Open comparison
South Marston vs Nythe, Eldene and Liden
- South Marston
- £364,842
- Nythe, Eldene and Liden
- £297,584−£67,258
Open comparison
South Marston vs Highworth
- South Marston
- £364,842
- Highworth
- £310,907−£53,935
Open comparison
South Marston vs Blunsdon
- South Marston
- £364,842
- Blunsdon
- £385,366+£20,524
Open comparison
Thinking of buying in South Marston?
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 00:25 with the latest Land Registry data (September 2026). The South Marston dataset covers 64 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
About·Data methodology·Buying checklist·Privacy and cookies·YouTube