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137 Avondale Avenue, Staines, Spelthorne, Surrey, TW18 2NE

How much is 137 Avondale Avenue, Staines, Spelthorne, Surrey, TW18 2NE worth?

Estimated value — November 2026

£285,000

Likely range £216,000 – £362,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale August 1997

50%

confidence

Medium

Typically within 13% of the sale price

Property details

Flat / Maisonette

Avondale Avenue · Staines · TW18 2NE

Address

District
Spelthorne
County
Surrey
See house prices in TW18 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k£400k20002002200420062008201020122014201620182020202220242026£285,000

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£122,471£104,297 – £142,670
2001£139,708£117,634 – £163,598
2002£169,807£141,442 – £200,519
2003£172,404£142,225 – £204,557
2004£191,079£156,445 – £227,062
2005£193,329£157,069 – £230,447
2006£204,671£164,708 – £245,230
2007£229,642£182,990 – £276,842
2008£192,220£151,896 – £233,001
2009£192,871£151,565 – £235,416
2010£192,724£151,199 – £236,567
2011£198,480£155,229 – £245,517
2012£198,835£155,205 – £247,401
2013£211,079£182,297 – £243,198
2014£238,193£203,725 – £276,657
2015£265,359£224,744 – £310,682
2016£287,290£240,920 – £339,036
2017£287,712£238,872 – £342,214
2018£285,369£234,545 – £342,086
2019£277,072£225,412 – £334,721
2020£271,900£218,935 – £331,006
2021£267,879£213,461 – £328,607
2022£297,729£234,761 – £367,998
2023£286,726£223,691 – £357,069
2024£290,798£224,440 – £364,849
2025£292,528£223,334 – £369,745
2026£285,000£216,000 – £362,000

Sale history

1997Sold
£75,000
2026Today — estimated
+280%£285,000

Mortgage calculator

£1,530

Estimated monthly repayment

£256,500

Loan amount

£294,160

Total interest

£550,660

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

137 Avondale Avenue, Staines, Spelthorne, Surrey, TW18 2NE is a flat on Avondale Avenue in Staines, Surrey. Stede's estimated value for November 2026 is £285,000. Four in five similar homes sold within their likely range when tested; for this property that range is £216,000 to £362,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 83 similar homes in the same postcode sector (25%). The confidence score is 50 out of 100 (medium): estimates like this one are typically within 13% of the eventual sale price.

It last sold in August 1997 for £75,000. The current estimate is 280% higher than that price. The current owner has held it for about 29 years.

The modelled value is down 3% over the past year and up 5% over the past five years.

Among 10 nearby properties Stede tracks in the TW18 area, estimated values run from £271,000 to £313,000. This flat's £285,000 sits around the middle of that range.

Common questions

How much is 137 Avondale Avenue, Staines, Spelthorne, Surrey, TW18 2NE worth?

Stede estimates 137 Avondale Avenue, Staines, Spelthorne, Surrey, TW18 2NE is worth £285,000 as of November 2026, within a likely range of £216,000 to £362,000. 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 137 Avondale Avenue, Staines, Spelthorne, Surrey, TW18 2NE last sell?

It last sold in August 1997 for £75,000.

What type of property is 137 Avondale Avenue, Staines, Spelthorne, Surrey, TW18 2NE?

It is recorded as a Flat / Maisonette on Avondale Avenue in the TW18 postcode area.

How reliable is this estimate?

The confidence score is 50 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 13% 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 83 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 1,742 real sales of similar homes.

  • Its sale in August 1997, brought up to today with the House Price Index£285,11975%
  • 83 similar homes sold recently in the same postcode sector£285,02725%

Estimate £285,000, likely £216,000 – £362,000

Read the full methodology and data sources →