How much is 137 - 138, St Mary Street, Southampton, SO14 1NS worth?
Estimated value — November 2026
£739,000
Likely range £540,000 – £1,041,000Four in five similar homes sold within their range when we tested it.
Latest recorded sale October 1999
43%
confidence
Low
Typically within 14% of the sale price
Property details
Detached house
St Mary Street · Southampton · SO14 1NS
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 | £268,271 | £232,853 – £322,750 |
| 2001 | £311,432 | £267,869 – £366,362 |
| 2002 | £386,367 | £328,073 – £456,579 |
| 2003 | £419,305 | £351,449 – £499,830 |
| 2004 | £446,738 | £369,845 – £539,558 |
| 2005 | £432,476 | £353,897 – £527,607 |
| 2006 | £452,594 | £366,976 – £555,325 |
| 2007 | £486,776 | £391,191 – £601,570 |
| 2008 | £421,268 | £334,955 – £525,221 |
| 2009 | £450,171 | £353,810 – £567,229 |
| 2010 | £471,373 | £366,882 – £599,181 |
| 2011 | £453,952 | £350,423 – £583,493 |
| 2012 | £449,534 | £346,089 – £582,982 |
| 2013 | £474,044 | £363,163 – £621,506 |
| 2014 | £521,331 | £398,012 – £690,521 |
| 2015 | £573,563 | £480,509 – £714,781 |
| 2016 | £610,076 | £504,976 – £769,575 |
| 2017 | £629,584 | £514,805 – £803,771 |
| 2018 | £644,664 | £520,666 – £832,842 |
| 2019 | £632,894 | £504,809 – £827,275 |
| 2020 | £651,789 | £513,339 – £861,899 |
| 2021 | £718,106 | £558,363 – £960,531 |
| 2022 | £770,585 | £591,434 – £1,042,462 |
| 2023 | £718,984 | £544,615 – £983,605 |
| 2024 | £757,501 | £566,189 – £1,047,834 |
| 2025 | £727,431 | £536,413 – £1,017,318 |
| 2026 | £739,000 | £540,000 – £1,041,000 |
Sale history
Mortgage calculator
£3,966
Estimated monthly repayment
£665,100
Loan amount
£762,752
Total interest
£1,427,852
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
About this property
137 - 138, St Mary Street, Southampton, SO14 1NS is a detached house on St Mary Street in Southampton. Stede's estimated value for November 2026 is £739,000. Four in five similar homes sold within their likely range when tested; for this property that range is £540,000 to £1,041,000. It is based on its own last sale brought up to date with the House Price Index. The confidence score is 43 out of 100 (low): estimates like this one are typically within 14% of the eventual sale price.
It last sold in October 1999 for £220,000. The current estimate is 236% higher than that price. The current owner has held it for about 27 years.
The modelled value is up 2% over the past year and up 4% over the past five years.
Common questions
How much is 137 - 138, St Mary Street, Southampton, SO14 1NS worth?
Stede estimates 137 - 138, St Mary Street, Southampton, SO14 1NS is worth £739,000 as of November 2026, within a likely range of £540,000 to £1,041,000. 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 137 - 138, St Mary Street, Southampton, SO14 1NS last sell?
It last sold in October 1999 for £220,000.
What type of property is 137 - 138, St Mary Street, Southampton, SO14 1NS?
It is recorded as a Detached house on St Mary Street in the SO14 postcode area.
How reliable is this estimate?
The confidence score is 43 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 14% 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 is based on its own last sale brought up to date with the House Price Index. 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
This is the evidence the estimate is based on. The likely range and confidence come from testing the same method against 4,861 real sales of similar homes.
- Its sale in October 1999, brought up to today with the House Price Index£738,837100%
Estimate £739,000, likely £540,000 – £1,041,000
Read the full methodology and data sources →