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2B, Thornbury Avenue, Southampton, SO15 5BR

How much is 2B, Thornbury Avenue, Southampton, SO15 5BR worth?

Estimated value — November 2026

£652,000

Likely range £514,000 – £757,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale August 1998

62%

confidence

Medium

Typically within 9% of the sale price

Property details

Detached house

Thornbury Avenue · Southampton · SO15 5BR

201 m²2,164 sq ftFloor area
1967-1975Built
Mains gas boilerHeating

Energy performance

Current ratingC72
PotentialC80

Mains Gas (Not Community) · EPC 9468-3076-7246-4656-4920 · inspected June 2016

Address

District
Southampton
County
Southampton
See house prices in SO15 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£200k£400k£600k£800k20002002200420062008201020122014201620182020202220242026£652,000

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
Modelled value at the end of each year, with any recorded sales
YearModelled valueLikely range
2000£229,539£198,225 – £265,248
2001£266,773£228,037 – £307,436
2002£331,341£280,376 – £382,610
2003£360,003£301,737 – £417,889
2004£384,000£319,170 – £446,457
2005£372,171£307,408 – £431,988
2006£389,937£320,030 – £452,577
2007£419,876£341,821 – £488,321
2008£363,799£293,701 – £424,386
2009£389,215£312,073 – £455,115
2010£408,028£325,814 – £478,954
2011£393,412£314,032 – £462,976
2012£390,048£310,803 – £461,146
2013£411,806£327,936 – £488,208
2014£453,427£397,444 – £496,023
2015£499,455£434,014 – £549,247
2016£531,892£458,180 – £587,977
2017£549,565£469,250 – £610,675
2018£563,411£476,813 – £629,301
2019£553,799£464,492 – £621,750
2020£571,033£474,631 – £644,383
2021£629,906£518,803 – £714,441
2022£676,773£552,288 – £771,490
2023£632,236£511,164 – £724,356
2024£666,936£534,177 – £767,948
2025£641,259£508,764 – £742,070
2026£652,000£514,000 – £757,000

Sale history

1998Sold
£163,000
2026Today — estimated
+300%£652,000

Mortgage calculator

£3,499

Estimated monthly repayment

£586,800

Loan amount

£672,956

Total interest

£1,259,756

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

2B, Thornbury Avenue, Southampton, SO15 5BR is a detached house on Thornbury Avenue in Southampton. Stede's estimated value for November 2026 is £652,000. Four in five similar homes sold within their likely range when tested; for this property that range is £514,000 to £757,000. It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 34 similar homes in the same postcode sector (25%). The confidence score is 62 out of 100 (medium): estimates like this one are typically within 9% of the eventual sale price.

It last sold in August 1998 for £163,000. The current estimate is 300% higher than that price. The current owner has held it for about 28 years.

Its EPC energy-efficiency rating is band C (72 out of 100). The certificate records a total floor area of 201 m² (2,164 sq ft). It was lodged in June 2016.

The modelled value is up 2% over the past year and up 5% over the past five years.

Among 10 nearby properties Stede tracks in the SO15 area, estimated values run from £119,000 to £653,000. This detached house's £652,000 sits toward the upper end of that range.

Common questions

How much is 2B, Thornbury Avenue, Southampton, SO15 5BR worth?

Stede estimates 2B, Thornbury Avenue, Southampton, SO15 5BR is worth £652,000 as of November 2026, within a likely range of £514,000 to £757,000. 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 2B, Thornbury Avenue, Southampton, SO15 5BR last sell?

It last sold in August 1998 for £163,000.

What type of property is 2B, Thornbury Avenue, Southampton, SO15 5BR?

It is recorded as a Detached house on Thornbury Avenue in the SO15 postcode area.

What is the EPC rating of 2B, Thornbury Avenue, Southampton, SO15 5BR?

2B, Thornbury Avenue, Southampton, SO15 5BR has an EPC energy-efficiency rating of band C (72 out of 100). The certificate records a floor area of 201 m² (2,164 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 62 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 9% 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 their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) 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 50,831 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 201 m²£737,61550%
  • Its sale in August 1998, brought up to today with the House Price Index£632,26825%
  • 34 similar homes sold recently in the same postcode sector£498,86025%

Estimate £652,000, likely £514,000 – £757,000

Read the full methodology and data sources →