Property Data Search:

4, DUCHESS CLOSE, OSBASTON, MONMOUTH, NP25 3JL - £405,000

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.

4 DUCHESS CLOSE is a large extended detached house of 136m², built sometime between 1967 and 1975, which could now be worth an estimated £482,583. It was last sold for £405,000 in October 2020, which was around 2% below the average October 2020 detached price in the Monmouthshire local authority area. The most recent EPC inspection was April 2018, where the current energy rating was D, and the potential energy rating was B.

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4 DUCHESS CLOSE Sold Prices

Land registry data shows two sales for 4 DUCHESS CLOSE since 1st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Monmouthshire local authority area for the corresponding sale date. Both of the two 4 DUCHESS CLOSE 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
2020
28 OCT
£405,000£412,900
down arrow
2% below HPI
2015
22 OCT
£240,000£304,251
down arrow
21% below HPI

4 DUCHESS CLOSE Price Paid vs. HPI Average

The below graph shows the average detached house price in the Monmouthshire local authority area over time, sourced from the HPI. The two 4 DUCHESS CLOSE sales from October 2015 and October 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 2015 sale was for 21% below the HPI. So the extrapolation line tracks at 21% below the HPI over time, until the October 2020 sale, where it rises to 2% below the HPI. The line then continues to track at 2% below the HPI.

4, DUCHESS CLOSE, OSBASTON, MONMOUTH, NP25 3JL: Price paid vs HM Land Registry's House Price Index

What might 4 DUCHESS CLOSE be worth now?

4 DUCHESS CLOSE might now be worth an estimated £482,583.

This is based on house price inflation of 19.2%, between October 2020 and February 2025, for detached houses, in the Monmouthshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 19.2% inflationary increase is applied to the most recent sale price for 4 DUCHESS CLOSE of £405,000 on 28th October 2020. For the value to have increased from £405,000 to £482,583 over the five years and eight months to February 2025, the following assumptions must hold true:

  • The value of 4 DUCHESS CLOSE has moved in line with the HPI for detached houses in the Monmouthshire local authority area.
  • The October 2020 sale price of £405,000 represented a fair market value for the property.
  • The size, condition, and specification of 4 DUCHESS CLOSE has not materially changed since October 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 4 DUCHESS CLOSE?

4 DUCHESS CLOSE is 136m², which includes one extension, according to the EPC inspection conducted in April 2018. This puts it in the largest 40% of detached houses houses in Monmouth, based on EPC data. The below chart shows the distribution of detached houses houses by size in Monmouth, and where 4 DUCHESS CLOSE lies on this distribution: 62% of detached houses houses are smaller than 4 DUCHESS CLOSE, and 37% of houses are larger. Note that EPC data is not available for all properties in Monmouth.

4, DUCHESS CLOSE, OSBASTON, MONMOUTH, NP25 3JL: Size of property relative to detached houses houses in Monmouth

4 DUCHESS CLOSE: Plot and Title Map

4 DUCHESS CLOSE sits on a plot of roughly 0.136 of an acre, or 551m². The below map shows the location of 4 DUCHESS CLOSE, 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 DUCHESS CLOSE). 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, DUCHESS CLOSE, OSBASTON, MONMOUTH, NP25 3JL: Plot and title map

Where is 4 DUCHESS CLOSE?

4 DUCHESS CLOSE is located in OSBASTON, in the NP25 postcode district. The below map shows the position of No. 4 on DUCHESS CLOSE.

4, DUCHESS CLOSE, OSBASTON, MONMOUTH, NP25 3JL: Location map and indicative extent of plot

All property sales on DUCHESS CLOSE

Most recent sales first:

Limited data available
2025
4 MAR
£160,000
Limited data available
2024
8 NOV
£272,500
Limited data available
2022
16 DEC
£305,000
Full data available
2022
31 MAR
£495,000
Full data available
2021
11 JUN
£315,000
Full data available
2020
28 OCT
£405,000
Full data available
2017
8 DEC
£210,000
Limited data available
2017
28 JUL
£275,000
Full data available
2015
22 OCT
£240,000
Full data available
2008
11 JUN
£180,000
Limited data available
1999
1 NOV
£78,500
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.