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99 Wilton Avenue, Southampton, SO15 2HB

How much is 99 Wilton Avenue, Southampton, SO15 2HB worth?

Estimated value — November 2026

£435,000

Likely range £342,000 – £507,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale July 1998

62%

confidence

Medium

Typically within 9% of the sale price

Property details

Semi-detached house

Wilton Avenue · Southampton · SO15 2HB

134 m²1,442 sq ftFloor area
1900-1929Built
Mains gas boilerHeating

Energy performance

Current ratingC73
PotentialB82

Mains Gas (Not Community) · EPC 9300-2573-3320-2907-4231 · inspected December 2023

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£600k20002002200420062008201020122014201620182020202220242026£435,000

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£122,743£105,888 – £141,836
2001£144,250£123,164 – £166,314
2002£181,140£153,099 – £209,402
2003£203,690£170,512 – £236,689
2004£223,551£185,607 – £260,092
2005£221,014£182,350 – £256,784
2006£234,257£191,997 – £272,224
2007£251,365£204,308 – £292,820
2008£218,311£175,977 – £255,054
2009£235,650£188,639 – £276,100
2010£245,934£196,167 – £289,216
2011£238,593£190,176 – £281,406
2012£238,333£189,648 – £282,461
2013£252,764£200,983 – £300,262
2014£278,258£243,482 – £305,181
2015£305,786£265,242 – £337,175
2016£325,137£279,552 – £360,429
2017£339,623£289,421 – £378,489
2018£349,510£295,186 – £391,567
2019£348,098£291,344 – £392,037
2020£358,641£297,438 – £406,024
2021£397,442£326,591 – £452,294
2022£434,185£353,479 – £496,667
2023£409,566£330,318 – £470,919
2024£432,870£345,818 – £500,265
2025£423,897£335,422 – £492,394
2026£435,000£342,000 – £507,000

Sale history

1998Sold
£87,500
2026Today — estimated
+397%£435,000

Mortgage calculator

£2,335

Estimated monthly repayment

£391,500

Loan amount

£448,981

Total interest

£840,481

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

99 Wilton Avenue, Southampton, SO15 2HB is a semi-detached house on Wilton Avenue in Southampton. Stede's estimated value for November 2026 is £435,000. Four in five similar homes sold within their likely range when tested; for this property that range is £342,000 to £507,000. 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 21 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 July 1998 for £87,500. The current estimate is 397% higher than that price. The current owner has held it for about 28 years.

Its EPC energy-efficiency rating is band C (73 out of 100), with a potential of band B (82) after the recommended improvements. The certificate records a total floor area of 134 m² (1,442 sq ft). It was lodged in December 2023.

The modelled value is up 3% over the past year and up 11% over the past five years.

Among 10 nearby properties Stede tracks in the SO15 area, estimated values run from £357,000 to £505,000. This semi-detached house's £435,000 sits around the middle of that range.

Common questions

How much is 99 Wilton Avenue, Southampton, SO15 2HB worth?

Stede estimates 99 Wilton Avenue, Southampton, SO15 2HB is worth £435,000 as of November 2026, within a likely range of £342,000 to £507,000. 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 99 Wilton Avenue, Southampton, SO15 2HB last sell?

It last sold in July 1998 for £87,500.

What type of property is 99 Wilton Avenue, Southampton, SO15 2HB?

It is recorded as a Semi-detached house on Wilton Avenue in the SO15 postcode area.

What is the EPC rating of 99 Wilton Avenue, Southampton, SO15 2HB?

99 Wilton Avenue, Southampton, SO15 2HB has an EPC energy-efficiency rating of band C (73 out of 100). Its potential rating after the recommended improvements is band B (82). The certificate records a floor area of 134 m² (1,442 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 21 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 56,589 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 134 m²£500,93050%
  • Its sale in July 1998, brought up to today with the House Price Index£379,24425%
  • 21 similar homes sold recently in the same postcode sector£357,86325%

Estimate £435,000, likely £342,000 – £507,000

Read the full methodology and data sources →