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23 Sallow Avenue, Northampton, Northamptonshire, NN3 5HP

How much is 23 Sallow Avenue, Northampton, Northamptonshire, NN3 5HP worth?

Estimated value — November 2026

£432,000

Likely range £341,000 – £502,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale June 1995

62%

confidence

Medium

Typically within 9% of the sale price

Property details

Detached house

Sallow Avenue · Northampton · NN3 5HP

151 m²1,625 sq ftFloor area
1983-1990Built
Mains gas boilerHeating

Energy performance

Current ratingC72
PotentialB81

Mains Gas (Not Community) · EPC 4190-1791-0722-7373-3073 · inspected October 2023

Address

District
Northampton
County
Northamptonshire
See house prices in NN3 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£100k£200k£300k£400k£500k£600k20002002200420062008201020122014201620182020202220242026£432,000

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£151,924£127,346 – £176,487
2001£171,489£142,638 – £199,349
2002£206,211£170,495 – £239,376
2003£229,571£188,557 – £266,552
2004£256,235£208,688 – £298,325
2005£255,651£206,519 – £298,450
2006£271,818£218,041 – £318,389
2007£292,537£233,987 – £343,909
2008£252,246£201,607 – £297,574
2009£255,246£203,724 – £302,768
2010£258,886£206,520 – £307,750
2011£261,977£232,761 – £284,451
2012£265,102£233,746 – £289,222
2013£275,745£241,267 – £302,267
2014£297,647£258,418 – £327,823
2015£324,586£279,613 – £359,181
2016£353,135£301,820 – £392,608
2017£366,468£310,738 – £409,337
2018£372,559£313,385 – £418,077
2019£369,112£307,991 – £416,128
2020£389,495£322,366 – £441,133
2021£409,529£336,179 – £465,952
2022£443,527£361,090 – £506,940
2023£422,329£340,978 – £484,907
2024£431,881£345,771 – £498,119
2025£437,441£347,266 – £506,806
2026£432,000£341,000 – £502,000

Sale history

1995Sold
£86,000
2026Today — estimated
+402%£432,000

Mortgage calculator

£2,319

Estimated monthly repayment

£388,800

Loan amount

£445,885

Total interest

£834,685

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

23 Sallow Avenue, Northampton, Northamptonshire, NN3 5HP is a detached house on Sallow Avenue in Northampton. Stede's estimated value for November 2026 is £432,000. Four in five similar homes sold within their likely range when tested; for this property that range is £341,000 to £502,000. 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 57 similar homes in the same postcode sector (25%). The confidence score is 62 out of 100 (medium): estimates like this one are typically within 9% of the eventual sale price.

It last sold in June 1995 for £86,000. The current estimate is 402% higher than that price. The current owner has held it for about 31 years.

Its EPC energy-efficiency rating is band C (72 out of 100), with a potential of band B (81) after the recommended improvements. The certificate records a total floor area of 151 m² (1,625 sq ft). It was lodged in October 2023.

The modelled value is down 2% over the past year and up 6% over the past five years.

Among 10 nearby properties Stede tracks in the NN3 area, estimated values run from £361,000 to £436,000. This detached house's £432,000 sits toward the upper end of that range.

Common questions

How much is 23 Sallow Avenue, Northampton, Northamptonshire, NN3 5HP worth?

Stede estimates 23 Sallow Avenue, Northampton, Northamptonshire, NN3 5HP is worth £432,000 as of November 2026, within a likely range of £341,000 to £502,000. 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 23 Sallow Avenue, Northampton, Northamptonshire, NN3 5HP last sell?

It last sold in June 1995 for £86,000.

What type of property is 23 Sallow Avenue, Northampton, Northamptonshire, NN3 5HP?

It is recorded as a Detached house on Sallow Avenue in the NN3 postcode area.

What is the EPC rating of 23 Sallow Avenue, Northampton, Northamptonshire, NN3 5HP?

23 Sallow Avenue, Northampton, Northamptonshire, NN3 5HP has an EPC energy-efficiency rating of band C (72 out of 100). Its potential rating after the recommended improvements is band B (81). The certificate records a floor area of 151 m² (1,625 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 62 out of 100 (medium). 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 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 57 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 50,831 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 151 m²£480,61650%
  • Its sale in June 1995, brought up to today with the House Price Index£442,69225%
  • 57 similar homes sold recently in the same postcode sector£324,20025%

Estimate £432,000, likely £341,000 – £502,000

Read the full methodology and data sources →