Property Data Search:

21, BLACKSMITHS HILL, AYNHO, BANBURY, OX17 3AH - £764,500

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.

21 BLACKSMITHS HILL is a very large extended semi-detached house of 230m², built sometime before 1900, which could now be worth an estimated £955,108. It was last sold for £764,500 in March 2020, which was around 234% above the average March 2020 semi-detached price in the West Northamptonshire local authority area. The most recent EPC inspection was February 2020, where the current energy rating was D, and the potential energy rating was B.

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21 BLACKSMITHS HILL Sold Prices

Land registry data shows two sales for 21 BLACKSMITHS HILL since 1st January 1995. The below table shows the price paid for the two sales, along with the average semi-detached price in the West Northamptonshire local authority area for the corresponding sale date. Both of the two 21 BLACKSMITHS HILL 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
20 MAR
£764,500£228,642
up arrow
234% above HPI
2003
16 MAY
£390,000£128,106
up arrow
204% above HPI

21 BLACKSMITHS HILL Price Paid vs. HPI Average

The below graph shows the average semi-detached house price in the West Northamptonshire local authority area over time, sourced from the HPI. The two 21 BLACKSMITHS HILL sales from May 2003 and March 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 May 2003 sale was for 204% above the HPI. So the extrapolation line tracks at 204% above the HPI over time, until the March 2020 sale, where it rises to 234% above the HPI. The line then continues to track at 234% above the HPI.

21, BLACKSMITHS HILL, AYNHO, BANBURY, OX17 3AH: Price paid vs HM Land Registry's House Price Index

What might 21 BLACKSMITHS HILL be worth now?

21 BLACKSMITHS HILL might now be worth an estimated £955,108.

This is based on house price inflation of 24.9%, between March 2020 and February 2025, for semi-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 24.9% inflationary increase is applied to the most recent sale price for 21 BLACKSMITHS HILL of £764,500 on 20th March 2020. For the value to have increased from £764,500 to £955,108 over the five years and one month to February 2025, the following assumptions must hold true:

  • The value of 21 BLACKSMITHS HILL has moved in line with the HPI for semi-detached houses in the West Northamptonshire local authority area.
  • The March 2020 sale price of £764,500 represented a fair market value for the property.
  • The size, condition, and specification of 21 BLACKSMITHS HILL has not materially changed since March 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 21 BLACKSMITHS HILL?

21 BLACKSMITHS HILL is 230m², which includes one extension, according to the EPC inspection conducted in February 2020. This puts it in the largest 20% of semi-detached houses houses in Aynho, based on EPC data. The below chart shows the distribution of semi-detached houses houses by size in Aynho, and where 21 BLACKSMITHS HILL lies on this distribution: 85% of semi-detached houses houses are smaller than 21 BLACKSMITHS HILL, and 15% of houses are larger. Note that EPC data is not available for all properties in Aynho.

21, BLACKSMITHS HILL, AYNHO, BANBURY, OX17 3AH: Size of property relative to semi-detached houses houses in Aynho

21 BLACKSMITHS HILL: Plot and Title Map

21 BLACKSMITHS HILL sits on a plot of roughly 0.191 of an acre, or 771m². The below map shows the location of 21 BLACKSMITHS HILL, 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 21 BLACKSMITHS HILL). 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.

21, BLACKSMITHS HILL, AYNHO, BANBURY, OX17 3AH: Plot and title map

Where is 21 BLACKSMITHS HILL?

21 BLACKSMITHS HILL is located in AYNHO, in the OX17 postcode district. The below map shows the position of No. 21 on BLACKSMITHS HILL.

21, BLACKSMITHS HILL, AYNHO, BANBURY, OX17 3AH: Location map and indicative extent of plot

All property sales on BLACKSMITHS HILL

Most recent sales first:

Limited data available
2023
14 FEB
£450,000
Full data available
2021
6 MAY
£705,000
Full data available
2020
7 AUG
£362,500
Full data available
2020
20 MAR
£764,500
Limited data available
2018
27 APR
£390,000
Limited data available
2017
24 FEB
£368,000
Limited data available
2015
23 OCT
£425,500
Limited data available
2014
6 OCT
£292,000
Limited data available
2014
4 APR
£279,950
Limited data available
2014
21 FEB
£745,000
Limited data available
2012
16 JUL
£249,950
Limited data available
2011
3 JUN
£250,000
Limited data available
2010
2 AUG
£422,500
Limited data available
2009
27 AUG
£340,000
Limited data available
2009
16 JUN
£240,000
Full data available
2008
14 NOV
£430,000
Full data available
2008
1 AUG
£285,000
Limited data available
2007
16 FEB
£425,000
Limited data available
2004
9 JUL
£220,000
Limited data available
2003
3 OCT
£290,000
Full data available
2003
16 MAY
£390,000
Limited data available
2002
11 OCT
£210,000
Limited data available
2002
28 MAR
£200,000
Limited data available
2002
22 MAR
£525,000
Limited data available
2002
20 FEB
£145,000
Limited data available
2001
31 AUG
£285,000
Limited data available
2001
15 MAY
£250,000
Limited data available
1999
13 JUL
£80,000
Limited data available
1998
19 JUN
£285,000
Limited data available
1998
15 MAY
£230,000
Limited data available
1997
1 SEP
£95,950
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.