How much is 9 Blenheim Avenue, Southampton, SO17 1DW worth?
Estimated value — October 2026
£1,191,000
Likely range £1,147,000 – £1,234,000
Latest recorded sale May 1998
0%
confidence
Low
Property details
Detached house
Blenheim Avenue · Southampton · SO17 1DW
Energy performance
Mains Gas · EPC 8406-4956-8320-0926-8613 · inspected June 2009
Address
- District
- Southampton
- County
- Southampton
Value over time
- Modelled value
- Today's estimate
Modelled by indexing this property's most recent recorded sale, month by month, against the UK House Price Index for its area and property type. Earlier sales are shown as recorded. Today's estimate also blends in the other valuation methods, so it can sit a little off the line.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £419,693 |
| 2001 | £488,362 |
| 2002 | £607,298 |
| 2003 | £660,631 |
| 2004 | £705,525 |
| 2005 | £684,624 |
| 2006 | £718,179 |
| 2007 | £774,263 |
| 2008 | £671,675 |
| 2009 | £719,480 |
| 2010 | £755,178 |
| 2011 | £729,020 |
| 2012 | £723,675 |
| 2013 | £764,981 |
| 2014 | £843,333 |
| 2015 | £930,085 |
| 2016 | £991,714 |
| 2017 | £1,025,930 |
| 2018 | £1,053,078 |
| 2019 | £1,036,394 |
| 2020 | £1,069,972 |
| 2021 | £1,181,750 |
| 2022 | £1,271,252 |
| 2023 | £1,189,070 |
| 2024 | £1,255,897 |
| 2025 | £1,213,642 |
| 2026 | £1,234,074 |
Sale history
Mortgage calculator
£6,392
Estimated monthly repayment
£1,071,900
Loan amount
£1,229,280
Total interest
£2,301,180
Total repayable
A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.
Related properties
- 5 Blenheim Avenue, Southampton, SO17 1DW£730,000 · 2012£1,196,000
- 11 Blenheim Avenue, Southampton, SO17 1DW£960,000 · 2023£961,000
- 17 Blenheim Avenue, Southampton, SO17 1DW£735,000 · 2015£1,049,000
- 19 Blenheim Avenue, Southampton, SO17 1DW£630,000 · 2013£1,052,000
- 27 Blenheim Avenue, Southampton, SO17 1DW£605,000 · 2012£1,032,000
- 31 Blenheim Avenue, Southampton, SO17 1DW£650,000 · 2011£1,100,000
- 7 Blenheim Avenue, Southampton, SO17 1DW£625,000 · 2010£1,029,000
- 39 Blenheim Avenue, Southampton, SO17 1DW£775,000 · 2025£789,000
- 13 Blenheim Avenue, Southampton, SO17 1DW£535,000 · 2010£898,000
- 15 Blenheim Avenue, Southampton, SO17 1DW£400,000 · 2003£741,000
About this property
9 Blenheim Avenue, Southampton, SO17 1DW is a detached house on Blenheim Avenue in Southampton. Stede's estimated value for October 2026 is £1,191,000. The likely range is £1,147,000 to £1,234,000. It is the average of 2 independent methods that re-index recorded sale prices to today. The confidence score is 0 out of 100 (low), based on how recent the most recent recorded sale is.
It last sold in May 1998 for £293,000. It has 2 sales on record, the earliest in 1996. The current estimate is 306% higher than that price. The current owner has held it for about 28 years.
Its EPC energy-efficiency rating is band F (31 out of 100), with a potential of band E (49) after the recommended improvements. The certificate records a total floor area of 348 m² (3,746 sq ft). It was lodged in June 2009.
The modelled value is up 3% over the past year and up 14% over the past five years.
Among 10 nearby properties Stede tracks in the SO17 area, estimated values run from £741,000 to £1,196,000. This detached house's £1,191,000 sits toward the upper end of that range.
Common questions
How much is 9 Blenheim Avenue, Southampton, SO17 1DW worth?
Stede estimates 9 Blenheim Avenue, Southampton, SO17 1DW is worth £1,191,000 as of October 2026, within a likely range of £1,147,000 to £1,234,000. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did 9 Blenheim Avenue, Southampton, SO17 1DW last sell?
It last sold in May 1998 for £293,000. There are 2 sales on record, the earliest in 1996.
What type of property is 9 Blenheim Avenue, Southampton, SO17 1DW?
It is recorded as a Detached house on Blenheim Avenue in the SO17 postcode area.
What is the EPC rating of 9 Blenheim Avenue, Southampton, SO17 1DW?
9 Blenheim Avenue, Southampton, SO17 1DW has an EPC energy-efficiency rating of band F (31 out of 100). Its potential rating after the recommended improvements is band E (49). The certificate records a floor area of 348 m² (3,746 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.
How reliable is this estimate?
The confidence score is 0 out of 100 (low), which reflects how recent the most recent recorded sale is rather than local market volatility. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.
How does Stede calculate this estimate?
Stede runs 2 independent methods that re-index this property's recorded sale prices to today using the House Price Index for its type and region, then takes the average. Full detail is on the methodology page.
How we calculated this
This estimate averages 2 valuation methods, each re-indexing recorded sale prices to today. The confidence score reflects how recent the most recent recorded sale is.
2
Valuation methods used
2
Recorded sales on file
1998
Most recent recorded sale