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33 Sandells Avenue, Ashford, Spelthorne, Surrey, TW15 1AL

How much is 33 Sandells Avenue, Ashford, Spelthorne, Surrey, TW15 1AL worth?

Estimated value — November 2026

£603,000

Likely range £411,000 – £808,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale January 1999

42%

confidence

Low

Typically within 15% of the sale price

Property details

Mid-terrace house

Sandells Avenue · Ashford · TW15 1AL

Address

District
Spelthorne
County
Surrey
See house prices in TW15 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£200k£400k£600k£800k£1m20002002200420062008201020122014201620182020202220242026£603,000

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£186,988£160,706 – £219,326
2001£220,719£186,974 – £258,636
2002£274,208£228,791 – £322,954
2003£301,688£248,072 – £359,220
2004£345,200£279,804 – £414,781
2005£368,617£295,292 – £444,566
2006£394,925£312,931 – £478,520
2007£430,625£336,940 – £524,982
2008£370,746£285,947 – £456,037
2009£368,416£280,624 – £456,077
2010£373,124£280,769 – £466,359
2011£369,589£276,718 – £465,122
2012£383,475£284,972 – £486,925
2013£398,916£294,684 – £511,428
2014£434,199£318,796 – £558,894
2015£452,612£364,227 – £546,981
2016£490,406£388,980 – £598,700
2017£507,680£396,821 – £626,045
2018£523,165£402,885 – £651,589
2019£526,313£399,234 – £661,996
2020£556,249£415,521 – £706,506
2021£584,105£429,587 – £749,085
2022£619,099£448,177 – £801,594
2023£594,683£423,637 – £777,310
2024£600,608£420,925 – £792,457
2025£611,873£421,757 – £814,862
2026£603,000£411,000 – £808,000

Sale history

1999Sold
£151,000
2026Today — estimated
+299%£603,000

Mortgage calculator

£3,236

Estimated monthly repayment

£542,700

Loan amount

£622,381

Total interest

£1,165,081

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

33 Sandells Avenue, Ashford, Spelthorne, Surrey, TW15 1AL is a mid-terrace house on Sandells Avenue in Ashford, Surrey. Stede's estimated value for November 2026 is £603,000. Four in five similar homes sold within their likely range when tested; for this property that range is £411,000 to £808,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 48 similar homes in the same postcode sector (25%). The confidence score is 42 out of 100 (low): estimates like this one are typically within 15% of the eventual sale price.

It last sold in January 1999 for £151,000. The current estimate is 299% higher than that price. The current owner has held it for about 27 years.

The modelled value is down 2% over the past year and up 3% over the past five years.

Among 10 nearby properties Stede tracks in the TW15 area, estimated values run from £465,000 to £586,000. This mid-terrace house's £603,000 sits above that range.

Common questions

How much is 33 Sandells Avenue, Ashford, Spelthorne, Surrey, TW15 1AL worth?

Stede estimates 33 Sandells Avenue, Ashford, Spelthorne, Surrey, TW15 1AL is worth £603,000 as of November 2026, within a likely range of £411,000 to £808,000. 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 33 Sandells Avenue, Ashford, Spelthorne, Surrey, TW15 1AL last sell?

It last sold in January 1999 for £151,000.

What type of property is 33 Sandells Avenue, Ashford, Spelthorne, Surrey, TW15 1AL?

It is recorded as a Mid-terrace house on Sandells Avenue in the TW15 postcode area.

How reliable is this estimate?

The confidence score is 42 out of 100 (low). Tested against real sales of similar homes, estimates like this one are typically within 15% 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 48 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 21,281 real sales of similar homes.

  • Its sale in January 1999, brought up to today with the House Price Index£665,17675%
  • 48 similar homes sold recently in the same postcode sector£418,14225%

Estimate £603,000, likely £411,000 – £808,000

Read the full methodology and data sources →