Property Data Search:

9, GYNWELL, NASEBY, NORTHAMPTON, NN6 6DB - £475,000

The information on this page is based on a number of underlying datasets, most of which are updated monthly. We maintain an update schedule which explains which version of each dataset we are currently relying on.

9 GYNWELL is a large extended detached house of 194m², built sometime between 2003 and 2006, which could now be worth an estimated £561,326. It was last sold for £475,000 in September 2020, which was around 18% above the average September 2020 detached price in the West Northamptonshire local authority area. The most recent EPC inspection was April 2019, where the current energy rating was C, and the potential energy rating was C.

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9 GYNWELL Sold Prices

Land registry data shows three sales for 9 GYNWELL since 1st January 1995. The below table shows the price paid for the three sales, along with the average detached price in the West Northamptonshire local authority area for the corresponding sale date. All of the three 9 GYNWELL sales were for above the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2020
25 SEP
£475,000£401,410
up arrow
18% above HPI
2019
31 OCT
£485,000£389,297
up arrow
25% above HPI
2009
12 NOV
£360,000£264,120
up arrow
36% above HPI

9 GYNWELL Price Paid vs. HPI Average

The below graph shows the average detached house price in the West Northamptonshire local authority area over time, sourced from the HPI. The three 9 GYNWELL sales between November 2009 and September 2020 have been plotted on the graph. A line has been extrapolated to show what the value of the property might have been over time, following each sale, had it maintained the same margin above or below the HPI (as a percentage). For example, the October 2019 sale was for 25% above the HPI. So the extrapolation line tracks at 25% above the HPI over time, until the September 2020 sale, where it falls to 18% above the HPI. The line then continues to track at 18% above the HPI.

9, GYNWELL, NASEBY, NORTHAMPTON, NN6 6DB: Price paid vs HM Land Registry's House Price Index

What might 9 GYNWELL be worth now?

9 GYNWELL might now be worth an estimated £561,326.

This is based on house price inflation of 18.2%, between September 2020 and February 2025, for detached houses, in the West Northamptonshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 18.2% inflationary increase is applied to the most recent sale price for 9 GYNWELL of £475,000 on 25th September 2020. For the value to have increased from £475,000 to £561,326 over the five years and seven months to February 2025, the following assumptions must hold true:

  • The value of 9 GYNWELL has moved in line with the HPI for detached houses in the West Northamptonshire local authority area.
  • The September 2020 sale price of £475,000 represented a fair market value for the property.
  • The size, condition, and specification of 9 GYNWELL has not materially changed since September 2020.
Disclaimer: Please note that this is a theoretical estimate based on assumptions which may or may not be correct. It should not be relied on for any purpose.

How Large is 9 GYNWELL?

9 GYNWELL is 194m², which includes two extensions, according to the EPC inspection conducted in April 2019. This puts it in the largest 30% of detached houses houses in Naseby, based on EPC data. The below chart shows the distribution of detached houses houses by size in Naseby, and where 9 GYNWELL lies on this distribution: 77% of detached houses houses are smaller than 9 GYNWELL, and 23% of houses are larger. Note that EPC data is not available for all properties in Naseby.

9, GYNWELL, NASEBY, NORTHAMPTON, NN6 6DB: Size of property relative to detached houses houses in Naseby

9 GYNWELL: Plot and Title Map

9 GYNWELL sits on a plot of roughly 0.109 of an acre, or 440m². The below map shows the location of 9 GYNWELL, an approximate outline of the building(s), and the indicative extent of the property. The plot extent is a Land Registry INSPIRE Index Polygon, and it is important to note that a title may include more than one polygon, whereas only one polygon is shown on the map (the polygon which intersects with the position of 9 GYNWELL). The full extent of the land contained in any registered title can only be identified from the individual title plan. The maps on this page should not be relied upon to establish the extent of a title.

9, GYNWELL, NASEBY, NORTHAMPTON, NN6 6DB: Plot and title map

Where is 9 GYNWELL?

9 GYNWELL is located in NASEBY, in the NN6 postcode district. The below map shows the position of No. 9 on GYNWELL.

9, GYNWELL, NASEBY, NORTHAMPTON, NN6 6DB: Location map and indicative extent of plot

All property sales on GYNWELL

Most recent sales first:

Full data available
2025
10 JAN
£532,000
Limited data available
2021
5 MAR
£440,000
Full data available
2020
27 NOV
£560,000
Full data available
2020
25 SEP
£475,000
Full data available
2019
31 OCT
£485,000
Full data available
2010
26 FEB
£165,000
Full data available
2009
12 NOV
£360,000
Full data available
2009
4 JUN
£150,000
Full data available
2001
11 DEC
£188,500
Full data available
2000
3 MAR
£245,000
Limited data available
1995
15 DEC
£125,000
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Source: HM Land Registry UK House Price Index
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Copyright statement: This information is subject to Crown copyright and database rights 2025 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2025 Ordnance Survey 100026316. Conditions of use.