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54 First Floor Maisonette, Onslow Gardens, Wallington, Sutton, Greater London, SM6 9QQ

How much is 54 First Floor Maisonette, Onslow Gardens, Wallington, Sutton, Greater London, SM6 9QQ worth?

Estimated value — November 2026

£278,000

Likely range £203,000 – £355,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale March 1999

44%

confidence

Low

Typically within 14% of the sale price

Property details

Flat / Maisonette

Onslow Gardens · Wallington · SM6 9QQ

Address

District
Sutton
County
Greater London
See house prices in SM6 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k£400k20002002200420062008201020122014201620182020202220242026£278,000

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£102,754£88,773 – £120,702
2001£116,812£99,752 – £136,117
2002£141,972£119,677 – £165,859
2003£151,470£126,098 – £178,395
2004£167,187£137,505 – £198,422
2005£162,793£132,569 – £193,744
2006£176,652£142,608 – £210,783
2007£199,920£159,799 – £239,524
2008£168,576£133,191 – £203,333
2009£165,941£129,764 – £201,185
2010£169,770£131,485 – £207,337
2011£171,138£132,039 – £210,202
2012£174,170£133,779 – £215,402
2013£187,772£143,681 – £234,072
2014£219,009£166,988 – £273,910
2015£238,722£199,375 – £279,118
2016£260,250£214,794 – £306,918
2017£264,736£215,891 – £314,883
2018£258,264£208,072 – £309,794
2019£252,767£201,156 – £305,754
2020£260,048£204,392 – £317,189
2021£270,222£209,729 – £332,328
2022£287,851£220,579 – £356,917
2023£269,128£203,584 – £336,420
2024£280,873£209,704 – £353,940
2025£279,090£205,627 – £354,512
2026£278,000£203,000 – £355,000

Sale history

1999Sold
£73,500
2026Today — estimated
+278%£278,000

Mortgage calculator

£1,492

Estimated monthly repayment

£250,200

Loan amount

£286,935

Total interest

£537,135

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

54 First Floor Maisonette, Onslow Gardens, Wallington, Sutton, Greater London, SM6 9QQ is a flat on Onslow Gardens in Wallington, Greater London. Stede's estimated value for November 2026 is £278,000. Four in five similar homes sold within their likely range when tested; for this property that range is £203,000 to £355,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 84 similar homes in the same postcode sector (25%). The confidence score is 44 out of 100 (low): estimates like this one are typically within 14% of the eventual sale price.

It last sold in March 1999 for £73,500. The current estimate is 278% higher than that price. The current owner has held it for about 27 years.

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

Among 10 nearby properties Stede tracks in the SM6 area, estimated values run from £180,000 to £942,000. This flat's £278,000 sits toward the lower end of that range.

Common questions

How much is 54 First Floor Maisonette, Onslow Gardens, Wallington, Sutton, Greater London, SM6 9QQ worth?

Stede estimates 54 First Floor Maisonette, Onslow Gardens, Wallington, Sutton, Greater London, SM6 9QQ is worth £278,000 as of November 2026, within a likely range of £203,000 to £355,000. 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 54 First Floor Maisonette, Onslow Gardens, Wallington, Sutton, Greater London, SM6 9QQ last sell?

It last sold in March 1999 for £73,500.

What type of property is 54 First Floor Maisonette, Onslow Gardens, Wallington, Sutton, Greater London, SM6 9QQ?

It is recorded as a Flat / Maisonette on Onslow Gardens in the SM6 postcode area.

How reliable is this estimate?

The confidence score is 44 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 combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 84 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 2,321 real sales of similar homes.

  • Its sale in March 1999, brought up to today with the House Price Index£279,17575%
  • 84 similar homes sold recently in the same postcode sector£274,28225%

Estimate £278,000, likely £203,000 – £355,000

Read the full methodology and data sources →