Our Data Sources
21, The Marlestones, Swindon has 3 entries in the Land Registry, most recently in March 2025 and a single entry in the EPC database dated January 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, The Marlestones, Swindon, we estimate a market value of £307,550 and a rental value of £1,468 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £272,401 and £1,300 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, The Marlestones, Swindon as measuring 243 m2.
That makes it the largest plot in the postcode, where 17 of the 23 other houses have recorded plot data.
Energy Efficiency
21, The Marlestones, Swindon has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 08 Jan 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 21, The Marlestones, Swindon completed on 21st March 2025 at £318,250 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 11.8% over the period since March 2025.
- Sold Mar 2025£318,250
- Sold Aug 2019£272,500
- Sold Mar 2013£210,000
Similar Properties Sold Nearby
Since 2016 207 properties similar to 21, The Marlestones, Swindon have sold within a radius of 490 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 8th May 2026, was 128, Celsus Grove, Swindon, SN1 4GS, a freehold house which sold for £290,000.
Read more about house prices in SN1.
- Sold May 2026£290,000 | 3 Bed House128, Celsus Grove, Swindon, SN1 4GS128, Celsus Grove, Swindon, SN1 4GS
- Sold Dec 2025£349,995 | 3 Bed House19, The Marlestones, Swindon, SN1 4NA19, The Marlestones, Swindon, SN1 4NA
- Sold Sep 2025£340,000 | 3 Bed House76, Clifton Street, Swindon, SN1 3PZ76, Clifton Street, Swindon, SN1 3PZ
- Sold Sep 2025£417,500 | 3 Bed House45, Goddard Avenue, Swindon, SN1 4HS45, Goddard Avenue, Swindon, SN1 4HS
- Sold Sep 2025£355,000 | 3 Bed House27, Ashford Road, Swindon, SN1 3NR27, Ashford Road, Swindon, SN1 3NR
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £381,451, ranging from £276,606 to £553,931.
- 20 The Marlestones
4 Bed House | 9 m | Est. Value: £334,178
- 19 The Marlestones
3 Bed House | 13 m | Est. Value: £313,503
- 18 The Marlestones
4 Bed House | 21 m | Est. Value: £343,498
- 17 The Marlestones
3 Bed House | 25 m | Est. Value: £312,741
- 22 The Marlestones
3 Bed House | 25 m | Est. Value: £298,570
Location Comparison
Of the 23 addresses on The Marlestones, Swindon, SN1, 21, The Marlestones, Swindon comes out as the 17th largest and the 17th most expensive in our analysis of the public data.
It is also £44k more expensive than the average property across the SN1 district.
More reading links
Schools Nearby
- Lethbridge Primary School600 m away
- King William Street Church of England Primary School600 m away
- Holy Rood Catholic Primary School900 m away
- The Commonweal School300 m away
- UTC Swindon1.2 km away
- The Deanery CofE Academy1.6 km away
More reading links
Public Transport Nearby
- Swindon (Wilts)|1.5 km away
- Kemble|21.4 km away
- Bedwyn|23.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.





