18, LONDON ROAD, WOOLMER GREEN, KNEBWORTH, SG3 6JP - £642,000

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.

18 LONDON ROAD is a very large extended detached house of 192m², built sometime between 1950 and 1966, which could now be worth an estimated £718,208. It was last sold for £642,000 in July 2019, which was around 23% below the average July 2019 detached price in the Welwyn Hatfield local authority area. The most recent EPC inspection was September 2016, where the current energy rating was D, and the potential energy rating was C.

18 LONDON ROAD Sold Prices

Land registry data shows two sales for 18 LONDON ROAD since 1^st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Welwyn Hatfield local authority area for the corresponding sale date. Both of the two 18 LONDON ROAD sales were for below the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

Date	Price	HPI Price	Variation from HPI
2019 17 JUL	£642,000	£838,435	23% below HPI
2002 8 NOV	£153,500	£435,794	65% below HPI

18 LONDON ROAD Price Paid vs. HPI Average

The below graph shows the average detached house price in the Welwyn Hatfield local authority area over time, sourced from the HPI. The two 18 LONDON ROAD sales from November 2002 and July 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 November 2002 sale was for 65% below the HPI. So the extrapolation line tracks at 65% below the HPI over time, until the July 2019 sale, where it rises to 23% below the HPI. The line then continues to track at 23% below the HPI.

What might 18 LONDON ROAD be worth now?

18 LONDON ROAD might now be worth an estimated £718,208.

This is based on house price inflation of 11.9%, between July 2019 and February 2025, for detached houses, in the Welwyn Hatfield local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 11.9% inflationary increase is applied to the most recent sale price for 18 LONDON ROAD of £642,000 on 17th July 2019. For the value to have increased from £642,000 to £718,208 over the six years and five months to February 2025, the following assumptions must hold true:

• The value of 18 LONDON ROAD has moved in line with the HPI for detached houses in the Welwyn Hatfield local authority area.
• The July 2019 sale price of £642,000 represented a fair market value for the property.
• The size, condition, and specification of 18 LONDON ROAD has not materially changed since July 2019.

How Large is 18 LONDON ROAD?

18 LONDON ROAD is 192m², which includes two extensions, according to the EPC inspection conducted in September 2016. This puts it in the largest 10% of detached houses houses in Woolmer Green, based on EPC data. The below chart shows the distribution of detached houses houses by size in Woolmer Green, and where 18 LONDON ROAD lies on this distribution: 95% of detached houses houses are smaller than 18 LONDON ROAD, and 5% of houses are larger. Note that EPC data is not available for all properties in Woolmer Green.

18 LONDON ROAD: Plot and Title Map

18 LONDON ROAD sits on a plot of roughly 0.185 of an acre, or 749m². The below map shows the location of 18 LONDON ROAD, 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 LONDON ROAD). 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.

Where is 18 LONDON ROAD?

18 LONDON ROAD is located in WOOLMER GREEN, in the SG3 postcode district. The below map shows the position of No. 18 on LONDON ROAD.