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4, CASTLEMILK, BUCKINGHAM, MK18 1YA - £470,000

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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.

4 CASTLEMILK is a large detached house of 133m², which could now be worth an estimated £528,978. It was last sold for £470,000 in August 2018, which was around 38% below the average August 2018 detached price in the Buckinghamshire local authority area. The most recent EPC inspection was November 2010, where the current energy rating was B, and the potential energy rating was B.

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4 CASTLEMILK Sold Prices

Land registry data shows three sales for 4 CASTLEMILK since 1st January 1995. The below table shows the price paid for the three sales, along with the average detached price in the Buckinghamshire local authority area for the corresponding sale date. All of the three 4 CASTLEMILK sales were for below the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2018
30 AUG
£470,000£757,753
down arrow
38% below HPI
2018
15 AUG
£469,600£757,753
down arrow
38% below HPI
2010
26 NOV
£368,597£503,329
down arrow
27% below HPI

4 CASTLEMILK Price Paid vs. HPI Average

The below graph shows the average detached house price in the Buckinghamshire local authority area over time, sourced from the HPI. The three 4 CASTLEMILK sales between November 2010 and August 2018 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 August 2018 sale was for 38% below the HPI. So the extrapolation line tracks at 38% below the HPI over time, until the August 2018 sale, which was also at 38% below the HPI.

4, CASTLEMILK, BUCKINGHAM, MK18 1YA: Price paid vs HM Land Registry's House Price Index

What might 4 CASTLEMILK be worth now?

4 CASTLEMILK might now be worth an estimated £528,978.

This is based on house price inflation of 12.5%, between August 2018 and March 2026, for detached houses, in the Buckinghamshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 12.5% inflationary increase is applied to the most recent sale price for 4 CASTLEMILK of £470,000 on 30th August 2018. For the value to have increased from £470,000 to £528,978 over the eight years and five months to March 2026, the following assumptions must hold true:

  • The value of 4 CASTLEMILK has moved in line with the HPI for detached houses in the Buckinghamshire local authority area.
  • The August 2018 sale price of £470,000 represented a fair market value for the property.
  • The size, condition, and specification of 4 CASTLEMILK has not materially changed since August 2018.
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 4 CASTLEMILK?

4 CASTLEMILK is 133m² according to the EPC inspection conducted in November 2010. This puts it in the largest 40% of detached houses houses in Buckingham, based on EPC data. The below chart shows the distribution of detached houses houses by size in Buckingham, and where 4 CASTLEMILK lies on this distribution: 61% of detached houses houses are smaller than 4 CASTLEMILK, and 39% of houses are larger. Note that EPC data is not available for all properties in Buckingham.

4, CASTLEMILK, BUCKINGHAM, MK18 1YA: Size of property relative to detached houses in Buckingham

4 CASTLEMILK: Plot and Title Map

4 CASTLEMILK sits on a plot of roughly 0.090 of an acre, or 366m². The below map shows the location of 4 CASTLEMILK, 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 4 CASTLEMILK). 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.

4, CASTLEMILK, BUCKINGHAM, MK18 1YA: Plot and title map

Where is 4 CASTLEMILK?

4 CASTLEMILK is located in BUCKINGHAM, in the MK18 postcode district. The below map shows the position of No. 4 on CASTLEMILK.

4, CASTLEMILK, BUCKINGHAM, MK18 1YA: Location map and indicative extent of plot

All property sales on CASTLEMILK

Most recent sales first:

Full data available
2018
30 AUG
£470,000
Full data available
2018
15 AUG
£469,600
Full data available
2015
27 MAR
£370,000
Full data available
2012
29 JUN
£370,000
Full data available
2011
12 SEP
£320,000
Full data available
2010
23 DEC
£362,695
Limited data available
2010
9 DEC
£484,996
Full data available
2010
26 NOV
£368,597
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. 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 2026. This data is licensed under the Open Government Licence v3.0.
Copyright statement: This information is subject to Crown copyright and database rights 2026 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 2026 Ordnance Survey 100026316. Conditions of use.