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18, VALLEYSIDE, HEMEL HEMPSTEAD, HP1 2LN - £388,000

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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.

18 VALLEYSIDE is a midsized semi-detached house of 122m², built sometime between 1976 and 1982, which could now be worth an estimated £420,246. It was last sold for £388,000 in May 2022, which was around 24% below the average May 2022 semi-detached price in the Dacorum local authority area. The most recent EPC inspection was August 2021, where the current energy rating was C, and the potential energy rating was B.

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18 VALLEYSIDE Sold Prices

Land registry data shows two sales for 18 VALLEYSIDE since 1st January 1995. The below table shows the price paid for the two sales, along with the average semi-detached price in the Dacorum local authority area for the corresponding sale date. Both of the two 18 VALLEYSIDE 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
2022
25 MAY
£388,000£507,395
down arrow
24% below HPI
2010
27 AUG
£222,000£291,474
down arrow
24% below HPI

18 VALLEYSIDE Price Paid vs. HPI Average

The below graph shows the average semi-detached house price in the Dacorum local authority area over time, sourced from the HPI. The two 18 VALLEYSIDE sales from August 2010 and May 2022 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 2010 sale was for 24% below the HPI. So the extrapolation line tracks at 24% below the HPI over time, until the May 2022 sale, which was also at 24% below the HPI.

18, VALLEYSIDE, HEMEL HEMPSTEAD, HP1 2LN: Price paid vs HM Land Registry's House Price Index

What might 18 VALLEYSIDE be worth now?

18 VALLEYSIDE might now be worth an estimated £420,246.

This is based on house price inflation of 8.3%, between May 2022 and May 2026, for semi-detached houses, in the Dacorum local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 8.3% inflationary increase is applied to the most recent sale price for 18 VALLEYSIDE of £388,000 on 25th May 2022. For the value to have increased from £388,000 to £420,246 over the four years to May 2026, the following assumptions must hold true:

  • The value of 18 VALLEYSIDE has moved in line with the HPI for semi-detached houses in the Dacorum local authority area.
  • The May 2022 sale price of £388,000 represented a fair market value for the property.
  • The size, condition, and specification of 18 VALLEYSIDE has not materially changed since May 2022.
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 18 VALLEYSIDE?

18 VALLEYSIDE is 122m² according to the EPC inspection conducted in August 2021. This puts it in the smallest 50% of semi-detached houses houses in Hemel Hempstead, based on EPC data. The below chart shows the distribution of semi-detached houses houses by size in Hemel Hempstead, and where 18 VALLEYSIDE lies on this distribution: 44% of semi-detached houses houses are smaller than 18 VALLEYSIDE, and 55% of houses are larger. Note that EPC data is not available for all properties in Hemel Hempstead.

18, VALLEYSIDE, HEMEL HEMPSTEAD, HP1 2LN: Size of property relative to semi-detached houses in Hemel Hempstead

18 VALLEYSIDE: Plot and Title Map

18 VALLEYSIDE sits on a plot of roughly 0.048 of an acre, or 195m². The below map shows the location of 18 VALLEYSIDE, 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 18 VALLEYSIDE). 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.

18, VALLEYSIDE, HEMEL HEMPSTEAD, HP1 2LN: Plot and title map

Where is 18 VALLEYSIDE?

18 VALLEYSIDE is located in HEMEL HEMPSTEAD, in the HP1 postcode district. The below map shows the position of No. 18 on VALLEYSIDE.

18, VALLEYSIDE, HEMEL HEMPSTEAD, HP1 2LN: Location map and indicative extent of plot

All property sales on VALLEYSIDE

Most recent sales first:

Full data available
2025
24 OCT
£412,500
Limited data available
2025
24 OCT
£160,000
Full data available
2025
14 FEB
£455,000
Full data available
2025
5 FEB
£260,000
Limited data available
2024
22 MAR
£146,000
Limited data available
2022
19 AUG
£378,000
Full data available
2022
25 MAY
£388,000
Full data available
2019
31 MAY
£330,000
Limited data available
2019
5 MAR
£365,000
Limited data available
2019
22 FEB
£180,000
Full data available
2018
22 NOV
£355,000
Limited data available
2017
13 OCT
£422,500
Limited data available
2017
17 FEB
£395,000
Full data available
2016
5 DEC
£350,000
Limited data available
2016
8 MAR
£199,000
Full data available
2010
27 AUG
£222,000
Full data available
2009
20 JUL
£215,000
Limited data available
2008
1 FEB
£133,000
Limited data available
2007
30 MAR
£215,000
Limited data available
2007
30 MAR
£237,500
Limited data available
2006
29 NOV
£229,950
Limited data available
2004
24 SEP
£111,000
Limited data available
2002
12 JUL
£118,950
Full data available
2002
5 JUL
£157,500
Limited data available
2001
24 AUG
£140,000
Limited data available
2000
4 AUG
£65,000
Limited data available
2000
26 JAN
£129,950
Full data available
1999
13 SEP
£92,000
Limited data available
1998
19 JAN
£105,000
Limited data available
1997
24 JAN
£43,500
Limited data available
1996
18 OCT
£70,000
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.