How much is 51 Thornbury Avenue, Southampton, SO15 5BZ worth?
Estimated value — November 2026
£553,000
Likely range £395,000 – £773,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale October 1998
36%
confidence
Low
Typically within 16% of the sale price
Property details
Detached house
Thornbury Avenue · Southampton · SO15 5BZ
Address
- District
- Southampton
- County
- Southampton
Value over time
- Modelled value
- Projected
- Likely range (80%)
- Today's estimate
Drawn through each of this property's recorded sales and ending at today's estimate, with the UK House Price Index for its area and property type filling in the months between. The shaded band is where four in five prices fell when we tested this line against real sales of similar homes; it widens the further a month is from a recorded sale, and today it matches the likely range above.
View as a table
| Year | Modelled value | Likely range |
|---|---|---|
| 2000 | £206,304 | £177,267 – £242,367 |
| 2001 | £239,259 | £202,849 – £282,182 |
| 2002 | £296,533 | £248,026 – £352,576 |
| 2003 | £321,491 | £265,443 – £387,088 |
| 2004 | £342,180 | £279,083 – £415,935 |
| 2005 | £330,921 | £267,267 – £404,324 |
| 2006 | £345,963 | £276,757 – £425,511 |
| 2007 | £371,711 | £293,987 – £460,987 |
| 2008 | £321,357 | £251,029 – £402,602 |
| 2009 | £343,050 | £265,162 – £433,366 |
| 2010 | £358,833 | £274,861 – £458,213 |
| 2011 | £345,209 | £263,556 – £444,582 |
| 2012 | £341,489 | £259,243 – £444,495 |
| 2013 | £359,727 | £271,964 – £472,935 |
| 2014 | £395,190 | £329,607 – £486,508 |
| 2015 | £434,318 | £357,783 – £540,886 |
| 2016 | £461,467 | £375,411 – £581,292 |
| 2017 | £475,708 | £382,113 – £606,030 |
| 2018 | £486,570 | £385,843 – £626,823 |
| 2019 | £477,163 | £373,485 – £621,525 |
| 2020 | £490,865 | £379,171 – £646,388 |
| 2021 | £540,208 | £411,741 – £719,086 |
| 2022 | £579,038 | £435,393 – £779,050 |
| 2023 | £539,657 | £400,242 – £733,779 |
| 2024 | £567,923 | £415,376 – £780,331 |
| 2025 | £544,758 | £392,841 – £756,288 |
| 2026 | £553,000 | £395,000 – £773,000 |
Sale history
Mortgage calculator
£2,968
Estimated monthly repayment
£497,700
Loan amount
£570,774
Total interest
£1,068,474
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
- 41 Thornbury Avenue, Southampton, SO15 5BZ£490,000 · 2014£684,000
- 43 Thornbury Avenue, Southampton, SO15 5BZ£395,000 · 2010£631,000
- 53 Thornbury Avenue, Southampton, SO15 5BZ£410,000 · 2006£624,000
- 55 Thornbury Avenue, Southampton, SO15 5BZ£410,000 · 2004£620,000
- 45 Thornbury Avenue, Southampton, SO15 5BZ£645,000 · 2018£827,000
- 49 Thornbury Avenue, Southampton, SO15 5BZ£806,500 · 2023£881,000
About this property
51 Thornbury Avenue, Southampton, SO15 5BZ is a detached house on Thornbury Avenue in Southampton. Stede's estimated value for November 2026 is £553,000. Four in five similar homes sold within their likely range when tested; for this property that range is £395,000 to £773,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 34 similar homes in the same postcode sector (25%). The confidence score is 36 out of 100 (low): estimates like this one are typically within 16% of the eventual sale price.
It last sold in October 1998 for £148,000. The current estimate is 274% higher than that price. The current owner has held it for about 28 years.
The modelled value is up 2% over the past year and up 4% over the past five years.
Among 6 nearby properties Stede tracks in the SO15 area, estimated values run from £620,000 to £881,000. This detached house's £553,000 sits below that range.
Common questions
How much is 51 Thornbury Avenue, Southampton, SO15 5BZ worth?
Stede estimates 51 Thornbury Avenue, Southampton, SO15 5BZ is worth £553,000 as of November 2026, within a likely range of £395,000 to £773,000. The estimate is generated automatically from recorded sale prices of this and similar nearby homes and the UK House Price Index, and is not a formal valuation.
When did 51 Thornbury Avenue, Southampton, SO15 5BZ last sell?
It last sold in October 1998 for £148,000.
What type of property is 51 Thornbury Avenue, Southampton, SO15 5BZ?
It is recorded as a Detached house on Thornbury Avenue in the SO15 postcode area.
How reliable is this estimate?
The confidence score is 36 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 16% of the sale price, and four in five sold within their likely range. 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?
It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 34 similar homes in the same postcode sector (25%). Each piece of evidence gets the share that proved most accurate when tested against real sales of similar homes, and the same testing sets the likely range and confidence. Full detail is on the methodology page.
How we got this figure
We weighed the evidence below, giving each piece the share that proved most accurate when we tested it against real sales of similar homes. The likely range and confidence come from testing the same method against 1,241 real sales of similar homes.
- Its sale in October 1998, brought up to today with the House Price Index£570,73875%
- 34 similar homes sold recently in the same postcode sector£498,86025%
Estimate £553,000, likely £395,000 – £773,000
Read the full methodology and data sources →