17 Blackstone Avenue, Swindon, SN3 6DN
About 17 Blackstone Avenue
17 Blackstone Avenue is a three-bedroom detached house in Swindon (SN3 6DN). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (May 2018) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in November 2014 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Good and hot-water efficiency went from Poor to Average. The recommended improvements would lift it to B (score 83), a 2-band jump.
Most recent transfer: October 2018 at £245,000. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved. Across 2000–2018, sale prices on this property compounded at 9.4% per year. Today's modelled estimate of £298,000 is 21.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£274/sq ft) was about 41.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Cavity wall insulation installed
Loft insulation installed or upgraded to 250mm+
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Planning history
Council records include a two-storey side extension at 17 Blackstone Avenue.
1 application on record at 17 Blackstone Avenue, Swindon, SN3 6DN
- Jul 2003ExtensionFullOutcome in report
Extension: Two storey · Side of property
Erection of a two storey side extension.
- Documents
- 1 doc on file
- Reference
- S/03/1348
Unlock 17 Blackstone Avenue, Swindon, SN3 6DN's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 3 notable nearby
- The 1 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 17 Blackstone Avenue has grown more than fourfold since the 2000 starting point.
£298,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.4% per year over 19 years.
£245,000
Growth on file: 9.4% per year over 19 years.
Sales timeline
4 October 2018Most recent
£245,000
+70.1%over 14 years23 December 2003
£144,000
28 November 2002
£143,995
+211.3%over 2 years3 March 2000
£46,255
Median price across the last 5 sales in SN3 6DN: £225,000 (2024–2017).
Nearby sales in SN3 6DN
Versus other Blackstone Avenue homes
17 Blackstone Avenue is notably below the street on epc rating.
Price per m²
£2,952
Street avg £2,550
Floor Area
83 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 3.4 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Thorne Road — bus stop.
Closest school
0.2 km
Eldene Nursery and Primary School. 25 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.1dB

Night-time· 23:00 – 07:00
41.5dB







