Our Data Sources
6, Onyx Close, Swindon has a single entry in the Land Registry from December 2017 and a single entry in the EPC database dated November 2017.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 6, Onyx Close, Swindon is in very good condition we estimate a sale value of £801,047 and a rental value of £2,901 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £709,498 and a rental value of £2,570 per month.
Plot Size
According to data from HM Land Registry, 6, Onyx Close, Swindon sits on a plot of 459 m2.
We have plot size data on 7 out of 7 other houses in the postcode and 6, Onyx Close, Swindon sits on the 5th largest plot.
Energy Efficiency
6, Onyx Close, Swindon has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 16 Nov 2017.
The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
According to HM Land Registry, 6, Onyx Close, Swindon was last sold on 1st December 2017 for £629,950 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since December 2017, the market for similar properties has dropped by 13.3%.
- Sold Dec 2017£629,950
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 39 sales of properties similar to 6, Onyx Close, Swindon within a radius of 720 metres since 2017.
The most recent example is 18, Topaz Close, Swindon, SN25 2SX, a freehold house which sold for £815,000 on the 16th May 2025.
Read more about house prices in SN25.
- Sold May 2025£815,000 | 5 Bed House18, Topaz Close, Swindon, SN25 2SX18, Topaz Close, Swindon, SN25 2SX
- Sold Nov 2024£755,000 | 5 Bed House21, Amethyst Road, Swindon, SN25 2SF21, Amethyst Road, Swindon, SN25 2SF
- Sold Aug 2024£765,000 | 5 Bed House7, Onyx Close, Swindon, SN25 2SR7, Onyx Close, Swindon, SN25 2SR
- Sold Aug 2023£662,500 | 5 Bed House23, Topaz Close, Swindon, SN25 2SX23, Topaz Close, Swindon, SN25 2SX
- Sold Jun 2023£725,000 | 5 Bed House14, Amethyst Road, Swindon, SN25 2SF14, Amethyst Road, Swindon, SN25 2SF
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 £641,329, ranging from £497,628 to £762,902.
- 7 Onyx Close
5 Bed House | 21 m | Est. Value: £749,020
- 5 Onyx Close
5 Bed House | 25 m | Est. Value: £749,020
- 8 Amethyst Road
4 Bed House | 32 m | Est. Value: £525,688
- 9 Amethyst Road
5 Bed House | 34 m | Est. Value: £713,638
- 6 Amethyst Road
5 Bed House | 37 m | Est. Value: £713,638
Location Comparison
Onyx Close, Swindon, SN25 has a total of 7 addresses. According to our analysis of all the public data, 6, Onyx Close, Swindon is the largest and the most expensive property on the street.
When compared to the postcode district it is £450k more expensive than the average property in SN25.
More reading links
Schools Nearby
- Abbey Farm Educate Together Primary300 m away
- Bridlewood Primary School600 m away
- Tadpole Farm CofE Primary Academy800 m away
- Great Western Academy1.0 km away
- Abbey Park School1.1 km away
- Nova Hreod Academy3.2 km away
More reading links
Public Transport Nearby
- Swindon (Wilts)|4.9 km away
- Kemble|16.9 km away
- Chippenham|26.9 km away
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












