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23 Knowsley Avenue, Southall, Ealing, Greater London, UB1 3AX

How much is 23 Knowsley Avenue, Southall, Ealing, Greater London, UB1 3AX worth?

Estimated value — November 2026

£656,000

Likely range £533,000 – £750,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale March 1998

67%

confidence

High

Typically within 8% of the sale price

Property details

Semi-detached house

Knowsley Avenue · Southall · UB1 3AX

128 m²1,378 sq ftFloor area
1950-1966Built
Mains gas boilerHeating

Energy performance

Current ratingC72
PotentialB83

Mains Gas (Not Community) · EPC 9379-3046-3202-3405-8200 · inspected February 2025

Address

District
Ealing
County
Greater London
See house prices in UB1 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£200k£400k£600k£800k20002002200420062008201020122014201620182020202220242026£656,000

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£144,814£124,888 – £166,809
2001£162,718£139,035 – £187,126
2002£198,619£168,231 – £229,341
2003£210,184£176,549 – £243,590
2004£225,416£188,190 – £260,890
2005£224,127£186,203 – £258,998
2006£251,351£207,564 – £290,470
2007£287,214£235,369 – £332,862
2008£250,284£203,804 – £290,416
2009£268,826£217,664 – £313,058
2010£293,858£237,942 – £342,871
2011£300,599£243,259 – £351,888
2012£325,701£263,599 – £383,004
2013£355,338£287,685 – £417,640
2014£420,618£374,131 – £456,145
2015£492,550£434,863 – £536,636
2016£500,907£438,936 – £548,267
2017£486,677£423,256 – £535,145
2018£511,705£441,646 – £565,246
2019£506,138£433,501 – £561,649
2020£544,070£462,400 – £606,485
2021£585,841£494,035 – £656,002
2022£631,627£528,478 – £710,456
2023£590,728£490,361 – £667,432
2024£606,925£499,801 – £688,792
2025£626,848£512,071 – £714,563
2026£656,000£533,000 – £750,000

Sale history

1998Sold
£97,000
2026Today — estimated
+576%£656,000

Mortgage calculator

£3,521

Estimated monthly repayment

£590,400

Loan amount

£677,084

Total interest

£1,267,484

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

23 Knowsley Avenue, Southall, Ealing, Greater London, UB1 3AX is a semi-detached house on Knowsley Avenue in Southall, Greater London. Stede's estimated value for November 2026 is £656,000. Four in five similar homes sold within their likely range when tested; for this property that range is £533,000 to £750,000. 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 15 similar homes in the same postcode sector (25%). The confidence score is 67 out of 100 (high): estimates like this one are typically within 8% of the eventual sale price.

It last sold in March 1998 for £97,000. The current estimate is 576% 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), with a potential of band B (83) after the recommended improvements. The certificate records a total floor area of 128 m² (1,378 sq ft). It was lodged in February 2025.

The modelled value is up 6% over the past year and up 13% over the past five years.

Among 10 nearby properties Stede tracks in the UB1 area, estimated values run from £571,000 to £802,000. This semi-detached house's £656,000 sits around the middle of that range.

Common questions

How much is 23 Knowsley Avenue, Southall, Ealing, Greater London, UB1 3AX worth?

Stede estimates 23 Knowsley Avenue, Southall, Ealing, Greater London, UB1 3AX is worth £656,000 as of November 2026, within a likely range of £533,000 to £750,000. 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 23 Knowsley Avenue, Southall, Ealing, Greater London, UB1 3AX last sell?

It last sold in March 1998 for £97,000.

What type of property is 23 Knowsley Avenue, Southall, Ealing, Greater London, UB1 3AX?

It is recorded as a Semi-detached house on Knowsley Avenue in the UB1 postcode area.

What is the EPC rating of 23 Knowsley Avenue, Southall, Ealing, Greater London, UB1 3AX?

23 Knowsley Avenue, Southall, Ealing, Greater London, UB1 3AX has an EPC energy-efficiency rating of band C (72 out of 100). Its potential rating after the recommended improvements is band B (83). The certificate records a floor area of 128 m² (1,378 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 67 out of 100 (high). Tested against real sales of similar homes, estimates like this one are typically within 8% 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 15 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 18,066 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 128 m²£769,04050%
  • Its sale in March 1998, brought up to today with the House Price Index£514,66725%
  • 15 similar homes sold recently in the same postcode sector£573,22525%

Estimate £656,000, likely £533,000 – £750,000

Read the full methodology and data sources →