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12 Wilby Street, Northampton, Northamptonshire, NN1 5JX

How much is 12 Wilby Street, Northampton, Northamptonshire, NN1 5JX worth?

Estimated value — November 2026

£183,000

Likely range £150,000 – £223,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale October 1999

65%

confidence

High

Typically within 9% of the sale price

Property details

Mid-terrace house

Wilby Street · Northampton · NN1 5JX

Address

District
Northampton
County
Northamptonshire
See house prices in NN1 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£50k£100k£150k£200k£250k20002002200420062008201020122014201620182020202220242026£183,000

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£53,018£46,223 – £63,346
2001£59,436£51,549 – £69,007
2002£74,475£64,020 – £86,338
2003£86,378£73,593 – £100,417
2004£101,627£85,876 – £119,023
2005£104,487£87,638 – £122,906
2006£111,797£93,304 – £131,497
2007£119,189£99,012 – £140,402
2008£99,381£82,039 – £117,451
2009£102,246£83,806 – £121,470
2010£100,829£82,210 – £120,192
2011£100,811£81,886 – £120,890
2012£104,466£84,986 – £125,734
2013£108,782£88,446 – £131,704
2014£117,324£95,470 – £142,795
2015£128,188£114,261 – £145,069
2016£137,070£121,257 – £156,237
2017£146,730£128,816 – £168,443
2018£148,260£129,163 – £171,408
2019£149,051£128,851 – £173,536
2020£155,686£133,540 – £182,529
2021£164,977£140,401 – £194,766
2022£182,872£154,401 – £217,382
2023£173,057£144,951 – £207,124
2024£178,724£148,497 – £215,363
2025£182,562£150,459 – £221,475
2026£183,000£150,000 – £223,000

Sale history

1999Sold
£45,400
2026Today — estimated
+303%£183,000

Mortgage calculator

£982

Estimated monthly repayment

£164,700

Loan amount

£188,882

Total interest

£353,582

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 Wilby Street, Northampton, Northamptonshire, NN1 5JX is a mid-terrace house on Wilby Street in Northampton. Stede's estimated value for November 2026 is £183,000. Four in five similar homes sold within their likely range when tested; for this property that range is £150,000 to £223,000. It combines its own last sale brought up to date with the House Price Index (75%) and recent sales of 5 similar homes in the same postcode (25%). The confidence score is 65 out of 100 (high): estimates like this one are typically within 9% of the eventual sale price.

It last sold in October 1999 for £45,400. The current estimate is 303% 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 11% over the past five years.

Among 10 nearby properties Stede tracks in the NN1 area, estimated values run from £177,000 to £201,000. This mid-terrace house's £183,000 sits around the middle of that range.

Common questions

How much is 12 Wilby Street, Northampton, Northamptonshire, NN1 5JX worth?

Stede estimates 12 Wilby Street, Northampton, Northamptonshire, NN1 5JX is worth £183,000 as of November 2026, within a likely range of £150,000 to £223,000. 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 Wilby Street, Northampton, Northamptonshire, NN1 5JX last sell?

It last sold in October 1999 for £45,400.

What type of property is 12 Wilby Street, Northampton, Northamptonshire, NN1 5JX?

It is recorded as a Mid-terrace house on Wilby Street in the NN1 postcode area.

How reliable is this estimate?

The confidence score is 65 out of 100 (high). Tested against real sales of similar homes, estimates like this one are typically within 9% 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 5 similar homes in the same postcode (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 26,680 real sales of similar homes.

  • Its sale in October 1999, brought up to today with the House Price Index£179,56375%
  • 5 similar homes sold recently in the same postcode£195,20725%

Estimate £183,000, likely £150,000 – £223,000

Read the full methodology and data sources →