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9 Sapphire Close, Kettering, Northamptonshire, NN15 7DW

How much is 9 Sapphire Close, Kettering, Northamptonshire, NN15 7DW worth?

Estimated value — November 2026

£360,000

Likely range £297,000 – £435,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale April 2016

63%

confidence

Medium

Typically within 9% of the sale price

Property details

Detached house

Sapphire Close · Kettering · NN15 7DW

118 m²1,270 sq ftFloor area
1996-2002Built
Mains gas boilerHeating

Energy performance

Current ratingD67
PotentialB85

Mains Gas (Not Community) · EPC 8156-6629-7160-9204-3922 · inspected January 2016

Address

District
Kettering
County
Northamptonshire
See house prices in NN15 →

Value over time

  • Modelled value
  • Recorded sale
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£100k£200k£300k£400k£500k20002002200420062008201020122014201620182020202220242026£360,000

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 rangeRecorded sale
2000£116,907£102,105 – £137,368—
2001£132,976£114,743 – £168,269—
2002£162,314£139,316 – £209,868£150,000
2003£188,077£164,326 – £222,388—
2004£206,961£180,253 – £239,148—
2005£211,326£184,710 – £251,465—
2006£219,159£187,113 – £289,677—
2007£233,261£202,357 – £289,010£220,000
2008£198,034£172,895 – £231,244—
2009£199,430£173,055 – £229,904—
2010£203,967£175,581 – £234,771—
2011£204,124£174,889 – £235,472—
2012£203,117£175,448 – £233,841—
2013£214,502£186,706 – £247,765—
2014£230,189£201,159 – £273,044—
2015£249,446£213,535 – £326,079—
2016£271,843£234,492 – £339,598£257,500
2017£293,516£254,022 – £345,560—
2018£305,068£261,477 – £356,158—
2019£302,946£257,048 – £354,868—
2020£317,099£266,736 – £374,110—
2021£349,139£291,591 – £414,645—
2022£379,474£315,381 – £452,296—
2023£358,070£296,608 – £428,227—
2024£360,618£297,932 – £432,993—
2025£366,275£302,151 – £441,593—
2026£360,000£297,000 – £435,000—

Sale history

1998Sold
£91,995
2002Sold
+63%£150,000
2007Sold
+47%£220,000
2016Sold
+17%£257,500
2026Today — estimated
+40%£360,000

Mortgage calculator

£1,932

Estimated monthly repayment

£324,000

Loan amount

£371,571

Total interest

£695,571

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

9 Sapphire Close, Kettering, Northamptonshire, NN15 7DW is a detached house on Sapphire Close in Kettering, Northamptonshire. Stede's estimated value for November 2026 is £360,000. Four in five similar homes sold within their likely range when tested; for this property that range is £297,000 to £435,000. It combines its own last sale brought up to date with the House Price Index (50%), recent sales of 70 similar homes in the same postcode sector (25%) and their price per m² applied to its floor area (25%). The confidence score is 63 out of 100 (medium): estimates like this one are typically within 9% of the eventual sale price.

It last sold in April 2016 for £257,500. It has 4 sales on record, the earliest in 1998. The current estimate is 40% higher than that price. The current owner has held it for about 10 years.

Its EPC energy-efficiency rating is band D (67 out of 100), with a potential of band B (85) after the recommended improvements. The certificate records a total floor area of 118 m² (1,270 sq ft). It was lodged in January 2016.

The modelled value is down 1% over the past year and up 4% over the past five years.

Among 10 nearby properties Stede tracks in the NN15 area, estimated values run from £334,000 to £386,000. This detached house's £360,000 sits around the middle of that range.

Common questions

How much is 9 Sapphire Close, Kettering, Northamptonshire, NN15 7DW worth?

Stede estimates 9 Sapphire Close, Kettering, Northamptonshire, NN15 7DW is worth £360,000 as of November 2026, within a likely range of £297,000 to £435,000. 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 9 Sapphire Close, Kettering, Northamptonshire, NN15 7DW last sell?

It last sold in April 2016 for £257,500. There are 4 sales on record, the earliest in 1998.

What type of property is 9 Sapphire Close, Kettering, Northamptonshire, NN15 7DW?

It is recorded as a Detached house on Sapphire Close in the NN15 postcode area.

What is the EPC rating of 9 Sapphire Close, Kettering, Northamptonshire, NN15 7DW?

9 Sapphire Close, Kettering, Northamptonshire, NN15 7DW has an EPC energy-efficiency rating of band D (67 out of 100). Its potential rating after the recommended improvements is band B (85). The certificate records a floor area of 118 m² (1,270 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 63 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 its own last sale brought up to date with the House Price Index (50%), recent sales of 70 similar homes in the same postcode sector (25%) and their price per m² applied to its floor area (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 65,243 real sales of similar homes.

  • Its sale in April 2016, brought up to today with the House Price Index£374,85350%
  • 70 similar homes sold recently in the same postcode sector£327,39925%
  • Recent price per m² in the same postcode sector, for its 118 m²£363,51125%

Estimate £360,000, likely £297,000 – £435,000

Read the full methodology and data sources →