Property Data Search:

21, SYCAMORE AVENUE, HATFIELD, AL10 8LZ - £350,000

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.

21 SYCAMORE AVENUE is a large extended detached house of 153m², built sometime between 1950 and 1966, which could now be worth an estimated £532,785. It was last sold for £350,000 in June 2014, which was around 43% below the average June 2014 detached price in the Welwyn Hatfield local authority area. The most recent EPC inspection was June 2010, where the current energy rating was D, and the potential energy rating was C.

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21 SYCAMORE AVENUE Sold Prices

Land registry data shows two sales for 21 SYCAMORE AVENUE since 1st 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 21 SYCAMORE AVENUE 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
2014
30 JUN
£350,000£616,170
down arrow
43% below HPI
2005
14 DEC
£280,000£456,312
down arrow
39% below HPI

21 SYCAMORE AVENUE 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 21 SYCAMORE AVENUE sales from December 2005 and June 2014 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 December 2005 sale was for 39% below the HPI. So the extrapolation line tracks at 39% below the HPI over time, until the June 2014 sale, where it falls to 43% below the HPI. The line then continues to track at 43% below the HPI.

21, SYCAMORE AVENUE, HATFIELD, AL10 8LZ: Price paid vs HM Land Registry's House Price Index

What might 21 SYCAMORE AVENUE be worth now?

21 SYCAMORE AVENUE might now be worth an estimated £532,785.

This is based on house price inflation of 52.2%, between June 2014 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 52.2% inflationary increase is applied to the most recent sale price for 21 SYCAMORE AVENUE of £350,000 on 30th June 2014. For the value to have increased from £350,000 to £532,785 over the eleven years and four months to February 2025, the following assumptions must hold true:

  • The value of 21 SYCAMORE AVENUE has moved in line with the HPI for detached houses in the Welwyn Hatfield local authority area.
  • The June 2014 sale price of £350,000 represented a fair market value for the property.
  • The size, condition, and specification of 21 SYCAMORE AVENUE has not materially changed since June 2014.
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 21 SYCAMORE AVENUE?

21 SYCAMORE AVENUE is 153m², which includes one extension, according to the EPC inspection conducted in June 2010. This puts it in the largest 30% of detached houses houses in Hatfield, based on EPC data. The below chart shows the distribution of detached houses houses by size in Hatfield, and where 21 SYCAMORE AVENUE lies on this distribution: 70% of detached houses houses are smaller than 21 SYCAMORE AVENUE, and 30% of houses are larger. Note that EPC data is not available for all properties in Hatfield.

21, SYCAMORE AVENUE, HATFIELD, AL10 8LZ: Size of property relative to detached houses houses in Hatfield

21 SYCAMORE AVENUE: Plot and Title Map

21 SYCAMORE AVENUE sits on a plot of roughly 0.258 of an acre, or 1,044m². The below map shows the location of 21 SYCAMORE AVENUE, 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 21 SYCAMORE AVENUE). 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.

21, SYCAMORE AVENUE, HATFIELD, AL10 8LZ: Plot and title map

Where is 21 SYCAMORE AVENUE?

21 SYCAMORE AVENUE is located in HATFIELD, in the AL10 postcode district. The below map shows the position of No. 21 on SYCAMORE AVENUE.

21, SYCAMORE AVENUE, HATFIELD, AL10 8LZ: Location map and indicative extent of plot

All property sales on SYCAMORE AVENUE

Most recent sales first:

Limited data available
2021
17 DEC
£500,000
Limited data available
2021
26 JUL
£350,000
Limited data available
2020
10 FEB
£205,000
Full data available
2019
12 DEC
£596,000
Full data available
2018
7 NOV
£690,000
Limited data available
2018
30 APR
£300,000
Limited data available
2017
2 OCT
£533
Limited data available
2016
5 JUL
£605,000
Full data available
2014
30 JUN
£350,000
Full data available
2014
29 APR
£343,000
Limited data available
2013
1 MAY
£187,500
Full data available
2006
19 JAN
£285,000
Full data available
2005
14 DEC
£280,000
Limited data available
2004
29 OCT
£340,000
Limited data available
2004
20 APR
£205,000
Full data available
2003
19 DEC
£240,000
Full data available
2003
24 JUN
£250,000
Full data available
2002
13 DEC
£227,777
Limited data available
2002
6 NOV
£313,000
Limited data available
2002
18 OCT
£170,000
Limited data available
2002
31 MAY
£290,000
Full data available
2000
30 AUG
£215,000
Limited data available
1998
30 NOV
£145,000
Limited data available
1998
5 JAN
£36,000
Limited data available
1997
19 DEC
£165,000
Full data available
1997
1 DEC
£180,000
Limited data available
1997
14 JUL
£215,000
Limited data available
1996
26 APR
£140,500
Full data available
1995
26 MAY
£375
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.