Property Data Search:

20, HILLSIDE, NEW BARNET, BARNET, EN5 1LU - £1,090,000

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.

20 HILLSIDE is a very large extended detached house of 225m², built sometime between 1900 and 1929, which could now be worth an estimated £1,805,922. It was last sold for £1,090,000 in November 2011, which was around 16% above the average November 2011 detached price in the Barnet local authority area. The most recent EPC inspection was March 2011, where the current energy rating was E, and the potential energy rating was D.

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20 HILLSIDE Sold Prices

Land registry data shows three sales for 20 HILLSIDE since 1st January 1995. The below table shows the price paid for the three sales, along with the average detached price in the Barnet local authority area for the corresponding sale date. One of the three 20 HILLSIDE sales was for above the average price, whilst two 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
2011
15 NOV
£1,090,000£939,541
up arrow
16% above HPI
2001
9 NOV
£525,000£542,771
down arrow
3% below HPI
2000
12 APR
£420,000£449,430
down arrow
7% below HPI

20 HILLSIDE Price Paid vs. HPI Average

The below graph shows the average detached house price in the Barnet local authority area over time, sourced from the HPI. The three 20 HILLSIDE sales between April 2000 and November 2011 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 2001 sale was for 3% below the HPI. So the extrapolation line tracks at 3% below the HPI over time, until the November 2011 sale, where it rises to 16% above the HPI. The line then continues to track at 16% above the HPI.

20, HILLSIDE, NEW BARNET, BARNET, EN5 1LU: Price paid vs HM Land Registry's House Price Index

What might 20 HILLSIDE be worth now?

20 HILLSIDE might now be worth an estimated £1,805,922.

This is based on house price inflation of 65.7%, between November 2011 and February 2025, for detached houses, in the Barnet local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 65.7% inflationary increase is applied to the most recent sale price for 20 HILLSIDE of £1,090,000 on 15th November 2011. For the value to have increased from £1,090,000 to £1,805,922 over the fourteen years and nine months to February 2025, the following assumptions must hold true:

  • The value of 20 HILLSIDE has moved in line with the HPI for detached houses in the Barnet local authority area.
  • The November 2011 sale price of £1,090,000 represented a fair market value for the property.
  • The size, condition, and specification of 20 HILLSIDE has not materially changed since November 2011.
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 20 HILLSIDE?

20 HILLSIDE is 225m², which includes one extension, according to the EPC inspection conducted in March 2011. This puts it in the largest 20% of detached houses houses in Barnet, based on EPC data. The below chart shows the distribution of detached houses houses by size in Barnet, and where 20 HILLSIDE lies on this distribution: 86% of detached houses houses are smaller than 20 HILLSIDE, and 14% of houses are larger. Note that EPC data is not available for all properties in Barnet.

20, HILLSIDE, NEW BARNET, BARNET, EN5 1LU: Size of property relative to detached houses houses in Barnet

20 HILLSIDE: Plot and Title Map

20 HILLSIDE sits on a plot of roughly 0.232 of an acre, or 940m². The below map shows the location of 20 HILLSIDE, 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 20 HILLSIDE). 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.

20, HILLSIDE, NEW BARNET, BARNET, EN5 1LU: Plot and title map

Where is 20 HILLSIDE?

20 HILLSIDE is located in NEW BARNET, in the EN5 postcode district. The below map shows the position of No. 20 on HILLSIDE.

20, HILLSIDE, NEW BARNET, BARNET, EN5 1LU: Location map and indicative extent of plot

All property sales on HILLSIDE

Most recent sales first:

Full data available
2020
8 OCT
£1,450,000
Full data available
2017
22 SEP
£630,000
Limited data available
2016
29 APR
£547,000
Limited data available
2016
24 MAR
£785,000
Limited data available
2015
16 OCT
£1,100,000
Limited data available
2015
12 OCT
£675,000
Limited data available
2014
10 DEC
£665,000
Full data available
2012
15 JUN
£615,000
Full data available
2011
15 NOV
£1,090,000
Full data available
2009
30 OCT
£355,000
Limited data available
2009
13 AUG
£735,000
Full data available
2007
14 DEC
£1,150,000
Full data available
2007
12 OCT
£660,000
Full data available
2006
7 AUG
£340,000
Limited data available
2005
31 JAN
£365,000
Full data available
2001
9 NOV
£525,000
Full data available
2000
12 APR
£420,000
Limited data available
1999
19 NOV
£275,000
Limited data available
1999
8 OCT
£275,000
Full data available
1998
22 MAY
£220,000
Limited data available
1997
22 AUG
£274,000
Limited data available
1997
3 JUL
£167,500
Limited data available
1997
18 JUN
£129,125
Full data available
1996
10 OCT
£150,000
Full data available
1996
22 MAY
£156,750
Limited data available
1996
26 APR
£127,500
Limited data available
1995
12 DEC
£136,000
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.