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12 Grassholm Road, Stockton-On-Tees, TS20 1AY

How much is 12 Grassholm Road, Stockton-On-Tees, TS20 1AY worth?

Estimated value — November 2026

£147,000

Likely range £113,000 – £186,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale May 1999

51%

confidence

Medium

Typically within 12% of the sale price

Property details

Semi-detached house

Grassholm Road · Stockton-on-tees · TS20 1AY

76 m²818 sq ftFloor area
1930-1949Built
Mains gas boilerHeating

Energy performance

Current ratingC80
PotentialB83

Mains Gas (Not Community) · EPC 0111-3017-3206-1392-0200 · inspected June 2022

Address

District
Stockton-on-tees
County
Stockton-on-tees
See house prices in TS20 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£50k£100k£150k£200k20002002200420062008201020122014201620182020202220242026£147,000

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£19,963£17,314 – £23,562
2001£22,632£19,448 – £26,350
2002£28,519£24,234 – £33,257
2003£39,510£33,210 – £46,387
2004£52,953£44,048 – £62,654
2005£60,732£50,087 – £72,100
2006£65,515£53,654 – £77,934
2007£70,222£57,063 – £83,828
2008£66,841£53,806 – £80,265
2009£67,011£53,474 – £80,897
2010£70,622£55,923 – £85,801
2011£69,989£55,246 – £85,536
2012£71,539£56,352 – £87,968
2013£73,519£57,784 – £91,083
2014£79,278£62,208 – £98,609
2015£83,428£71,685 – £96,898
2016£86,322£73,439 – £101,100
2017£89,318£75,230 – £105,478
2018£94,634£78,904 – £112,677
2019£96,501£79,642 – £115,840
2020£101,694£83,064 – £123,064
2021£111,670£90,265 – £136,223
2022£125,383£100,285 – £154,172
2023£129,738£102,667 – £160,790
2024£134,570£105,349 – £168,089
2025£141,039£109,216 – £177,542
2026£147,000£113,000 – £186,000

Sale history

1999Sold
£18,500
2026Today — estimated
+695%£147,000

Mortgage calculator

£789

Estimated monthly repayment

£132,300

Loan amount

£151,725

Total interest

£284,025

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 Grassholm Road, Stockton-On-Tees, TS20 1AY is a semi-detached house on Grassholm Road in Stockton-on-tees. Stede's estimated value for November 2026 is £147,000. Four in five similar homes sold within their likely range when tested; for this property that range is £113,000 to £186,000. 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 182 similar homes in the same postcode sector (25%). The confidence score is 51 out of 100 (medium): estimates like this one are typically within 12% of the eventual sale price.

It last sold in May 1999 for £18,500. The current estimate is 695% higher than that price. The current owner has held it for about 27 years.

Its EPC energy-efficiency rating is band C (80 out of 100), with a potential of band B (83) after the recommended improvements. The certificate records a total floor area of 76 m² (818 sq ft). It was lodged in June 2022.

The modelled value is up 3% over the past year and up 31% over the past five years.

Among 10 nearby properties Stede tracks in the TS20 area, estimated values run from £108,000 to £156,000. This semi-detached house's £147,000 sits around the middle of that range.

Common questions

How much is 12 Grassholm Road, Stockton-On-Tees, TS20 1AY worth?

Stede estimates 12 Grassholm Road, Stockton-On-Tees, TS20 1AY is worth £147,000 as of November 2026, within a likely range of £113,000 to £186,000. 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 Grassholm Road, Stockton-On-Tees, TS20 1AY last sell?

It last sold in May 1999 for £18,500.

What type of property is 12 Grassholm Road, Stockton-On-Tees, TS20 1AY?

It is recorded as a Semi-detached house on Grassholm Road in the TS20 postcode area.

What is the EPC rating of 12 Grassholm Road, Stockton-On-Tees, TS20 1AY?

12 Grassholm Road, Stockton-On-Tees, TS20 1AY has an EPC energy-efficiency rating of band C (80 out of 100). Its potential rating after the recommended improvements is band B (83). The certificate records a floor area of 76 m² (818 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 51 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 12% 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 182 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 6,223 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 76 m²£172,94150%
  • Its sale in May 1999, brought up to today with the House Price Index£64,60225%
  • 182 similar homes sold recently in the same postcode sector£178,24925%

Estimate £147,000, likely £113,000 – £186,000

Read the full methodology and data sources →