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12 Margam Avenue, Southampton, SO19 2QJ

How much is 12 Margam Avenue, Southampton, SO19 2QJ worth?

Estimated value — November 2026

£386,000

Likely range £304,000 – £448,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale October 1999

62%

confidence

Medium

Typically within 9% of the sale price

Property details

Detached house

Margam Avenue · Southampton · SO19 2QJ

121 m²1,302 sq ftFloor area
1930-1949Built
Mains gas boilerHeating

Energy performance

Current ratingD67
PotentialC79

Mains Gas (Not Community) · EPC 7908-0956-7240-2885-6904 · inspected October 2015 · lodged November 2015

Address

District
Southampton
County
Southampton
See house prices in SO19 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k£400k£500k20002002200420062008201020122014201620182020202220242026£386,000

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£123,244£107,278 – £146,942
2001£143,791£124,338 – £166,273
2002£179,285£153,438 – £206,617
2003£195,546£165,627 – £225,568
2004£209,388£175,640 – £242,893
2005£203,721£169,367 – £236,920
2006£214,267£176,987 – £248,707
2007£231,605£190,133 – £268,739
2008£201,445£164,083 – £234,085
2009£216,345£174,695 – £252,270
2010£227,670£182,588 – £265,900
2011£220,354£175,780 – £258,453
2012£219,306£174,958 – £257,717
2013£232,422£185,033 – £274,286
2014£256,887£204,376 – £304,241
2015£284,039£247,685 – £311,526
2016£303,638£262,372 – £334,839
2017£314,916£269,624 – £349,161
2018£324,073£274,898 – £361,254
2019£319,749£268,699 – £358,348
2020£330,948£275,490 – £372,880
2021£366,446£302,138 – £415,069
2022£395,194£322,713 – £449,997
2023£370,576£299,676 – £424,183
2024£392,387£314,208 – £451,498
2025£378,697£300,247 – £438,013
2026£386,000£304,000 – £448,000

Sale history

1999Sold
£100,500
2026Today — estimated
+284%£386,000

Mortgage calculator

£2,072

Estimated monthly repayment

£347,400

Loan amount

£398,406

Total interest

£745,806

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

12 Margam Avenue, Southampton, SO19 2QJ is a detached house on Margam Avenue in Southampton. Stede's estimated value for November 2026 is £386,000. Four in five similar homes sold within their likely range when tested; for this property that range is £304,000 to £448,000. 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 20 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 October 1999 for £100,500. The current estimate is 284% higher than that price. The current owner has held it for about 27 years.

Its EPC energy-efficiency rating is band D (67 out of 100), with a potential of band C (79) after the recommended improvements. The certificate records a total floor area of 121 m² (1,302 sq ft). It was lodged in November 2015.

The modelled value is up 2% over the past year and up 7% over the past five years.

Among 10 nearby properties Stede tracks in the SO19 area, estimated values run from £320,000 to £404,000. This detached house's £386,000 sits around the middle of that range.

Common questions

How much is 12 Margam Avenue, Southampton, SO19 2QJ worth?

Stede estimates 12 Margam Avenue, Southampton, SO19 2QJ is worth £386,000 as of November 2026, within a likely range of £304,000 to £448,000. 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 12 Margam Avenue, Southampton, SO19 2QJ last sell?

It last sold in October 1999 for £100,500.

What type of property is 12 Margam Avenue, Southampton, SO19 2QJ?

It is recorded as a Detached house on Margam Avenue in the SO19 postcode area.

What is the EPC rating of 12 Margam Avenue, Southampton, SO19 2QJ?

12 Margam Avenue, Southampton, SO19 2QJ has an EPC energy-efficiency rating of band D (67 out of 100). Its potential rating after the recommended improvements is band C (79). The certificate records a floor area of 121 m² (1,302 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 20 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 121 m²£436,55150%
  • Its sale in October 1999, brought up to today with the House Price Index£337,51425%
  • 20 similar homes sold recently in the same postcode sector£331,40325%

Estimate £386,000, likely £304,000 – £448,000

Read the full methodology and data sources →