Property Data Search:

9, THEOBALD STREET, RADLETT, WD7 7LP - £888,500

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.

9 THEOBALD STREET is a small extended semi-detached house of 177m², built sometime between 1930 and 1949, which could now be worth an estimated £1,019,957. It was last sold for £888,500 in May 2019, which was around 68% above the average May 2019 semi-detached price in the Hertsmere local authority area. The most recent EPC inspection was January 2019, where the current energy rating was D, and the potential energy rating was C.

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9 THEOBALD STREET Sold Prices

Land registry data shows two sales for 9 THEOBALD STREET since 1st January 1995. The below table shows the price paid for the two sales, along with the average semi-detached price in the Hertsmere local authority area for the corresponding sale date. Both of the two 9 THEOBALD STREET 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
2019
21 MAY
£888,500£528,502
up arrow
68% above HPI
2000
14 JUL
£300,000£169,414
up arrow
77% above HPI

9 THEOBALD STREET Price Paid vs. HPI Average

The below graph shows the average semi-detached house price in the Hertsmere local authority area over time, sourced from the HPI. The two 9 THEOBALD STREET sales from July 2000 and May 2019 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 July 2000 sale was for 77% above the HPI. So the extrapolation line tracks at 77% above the HPI over time, until the May 2019 sale, where it falls to 68% above the HPI. The line then continues to track at 68% above the HPI.

9, THEOBALD STREET, RADLETT, WD7 7LP: Price paid vs HM Land Registry's House Price Index

What might 9 THEOBALD STREET be worth now?

9 THEOBALD STREET might now be worth an estimated £1,019,957.

This is based on house price inflation of 14.8%, between May 2019 and February 2025, for semi-detached houses, in the Hertsmere local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 14.8% inflationary increase is applied to the most recent sale price for 9 THEOBALD STREET of £888,500 on 21st May 2019. For the value to have increased from £888,500 to £1,019,957 over the six years and three months to February 2025, the following assumptions must hold true:

  • The value of 9 THEOBALD STREET has moved in line with the HPI for semi-detached houses in the Hertsmere local authority area.
  • The May 2019 sale price of £888,500 represented a fair market value for the property.
  • The size, condition, and specification of 9 THEOBALD STREET has not materially changed since May 2019.
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 THEOBALD STREET?

9 THEOBALD STREET is 177m², which includes one extension, according to the EPC inspection conducted in January 2019. This puts it in the smallest 40% of semi-detached houses houses in Radlett, based on EPC data. The below chart shows the distribution of semi-detached houses houses by size in Radlett, and where 9 THEOBALD STREET lies on this distribution: 34% of semi-detached houses houses are smaller than 9 THEOBALD STREET, and 66% of houses are larger. Note that EPC data is not available for all properties in Radlett.

9, THEOBALD STREET, RADLETT, WD7 7LP: Size of property relative to semi-detached houses houses in Radlett

9 THEOBALD STREET: Plot and Title Map

9 THEOBALD STREET sits on a plot of roughly 0.203 of an acre, or 822m². The below map shows the location of 9 THEOBALD STREET, 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 THEOBALD STREET). 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, THEOBALD STREET, RADLETT, WD7 7LP: Plot and title map

Where is 9 THEOBALD STREET?

9 THEOBALD STREET is located in RADLETT, in the WD7 postcode district. The below map shows the position of No. 9 on THEOBALD STREET.

9, THEOBALD STREET, RADLETT, WD7 7LP: Location map and indicative extent of plot

All property sales on THEOBALD STREET

Most recent sales first:

Full data available
2024
29 OCT
£1,375,000
Full data available
2019
21 MAY
£888,500
Full data available
2015
16 JAN
£835,000
Full data available
2010
27 APR
£450,000
Full data available
2009
17 NOV
£460,000
Limited data available
2009
15 SEP
£450,000
Limited data available
2008
4 SEP
£550,000
Limited data available
2007
6 JUL
£440,000
Limited data available
2005
7 APR
£340,000
Limited data available
2004
4 JUN
£395,000
Full data available
2000
14 JUL
£300,000
Full data available
1999
3 SEP
£210,000
Limited data available
1998
11 MAY
£220,000
Limited data available
1997
2 MAY
£190,000
Limited data available
1996
4 APR
£155,000
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.