Property/Postcode Data Search:

22, THURNALL AVENUE, ROYSTON, SG8 9ER - £210,500

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.

22 THURNALL AVENUE is a very small extended semi-detached house of 91m², built sometime between 1967 and 1975, which could now be worth an estimated £374,592. It was last sold for £210,500 in February 2013, which was around 18% below the average February 2013 semi-detached price in the North Hertfordshire local authority area. The most recent EPC inspection was November 2012, where the current energy rating was D, and the potential energy rating was B.

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22 THURNALL AVENUE Sold Prices

Land registry data shows two sales for 22 THURNALL AVENUE since 1st January 1995. The below table shows the price paid for the two sales, along with the average semi-detached price in the North Hertfordshire local authority area for the corresponding sale date. One of the two 22 THURNALL AVENUE sales was for below the average price, whilst the other was for above the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2013
8 FEB
£210,500£258,192
down arrow
18% below HPI
2003
11 FEB
£187,000£178,883
up arrow
5% above HPI

22 THURNALL AVENUE Price Paid vs. HPI Average

The below graph shows the average semi-detached house price in the North Hertfordshire local authority area over time, sourced from the HPI. The two 22 THURNALL AVENUE sales from February 2003 and February 2013 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 February 2003 sale was for 5% above the HPI. So the extrapolation line tracks at 5% above the HPI over time, until the February 2013 sale, where it falls to 18% below the HPI. The line then continues to track at 18% below the HPI.

22, THURNALL AVENUE, ROYSTON, SG8 9ER: Price paid vs HM Land Registry's House Price Index

What might 22 THURNALL AVENUE be worth now?

22 THURNALL AVENUE might now be worth an estimated £374,592.

This is based on house price inflation of 78%, between February 2013 and July 2025, for semi-detached houses, in the North Hertfordshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 78% inflationary increase is applied to the most recent sale price for 22 THURNALL AVENUE of £210,500 on 8th February 2013. For the value to have increased from £210,500 to £374,592 over the eleven years and seven months to July 2025, the following assumptions must hold true:

  • The value of 22 THURNALL AVENUE has moved in line with the HPI for semi-detached houses in the North Hertfordshire local authority area.
  • The February 2013 sale price of £210,500 represented a fair market value for the property.
  • The size, condition, and specification of 22 THURNALL AVENUE has not materially changed since February 2013.
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 22 THURNALL AVENUE?

22 THURNALL AVENUE is 91m², which includes one extension, according to the EPC inspection conducted in November 2012. This puts it in the smallest 20% of semi-detached houses houses in Royston, based on EPC data. The below chart shows the distribution of semi-detached houses houses by size in Royston, and where 22 THURNALL AVENUE lies on this distribution: 15% of semi-detached houses houses are smaller than 22 THURNALL AVENUE, and 83% of houses are larger. Note that EPC data is not available for all properties in Royston.

22, THURNALL AVENUE, ROYSTON, SG8 9ER: Size of property relative to semi-detached houses houses in Royston

22 THURNALL AVENUE: Plot and Title Map

22 THURNALL AVENUE sits on a plot of roughly 0.063 of an acre, or 254m². The below map shows the location of 22 THURNALL 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 22 THURNALL 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.

22, THURNALL AVENUE, ROYSTON, SG8 9ER: Plot and title map

Where is 22 THURNALL AVENUE?

22 THURNALL AVENUE is located in ROYSTON, in the SG8 postcode district. The below map shows the position of No. 22 on THURNALL AVENUE.

22, THURNALL AVENUE, ROYSTON, SG8 9ER: Location map and indicative extent of plot

All property sales on THURNALL AVENUE

Most recent sales first:

Full data available
2024
28 AUG
£387,500
Full data available
2024
26 JUL
£425,000
Full data available
2024
10 JUN
£332,500
Full data available
2024
19 APR
£430,000
Limited data available
2022
30 SEP
£490,000
Full data available
2021
29 JUN
£405,000
Limited data available
2021
14 JUN
£332,500
Limited data available
2020
11 DEC
£356,000
Full data available
2019
17 APR
£340,000
Full data available
2017
21 AUG
£350,000
Full data available
2017
24 FEB
£302,612
Full data available
2014
10 JAN
£220,000
Full data available
2013
25 APR
£219,000
Full data available
2013
8 FEB
£210,500
Full data available
2010
19 FEB
£210,000
Full data available
2007
10 AUG
£235,000
Full data available
2007
20 APR
£194,250
Full data available
2007
9 MAR
£210,000
Limited data available
2004
10 DEC
£160,000
Full data available
2003
29 AUG
£163,000
Full data available
2003
6 AUG
£169,000
Full data available
2003
11 FEB
£187,000
Full data available
2002
18 SEP
£151,500
Full data available
2001
31 AUG
£116,000
Full data available
1998
23 NOV
£78,000
Full data available
1998
6 NOV
£85,125
Full data available
1997
11 JUL
£72,000
Full data available
1996
4 NOV
£60,000
Full data available
1995
17 NOV
£66,000
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.
Source: Energy Performance of Buildings Data: England and Wales
Licence: Ordnance Survey and Royal Mail Copyright and Database Right Notice.
Licence: Open Government Licence v3.0.
Source: INSPIRE Polygons
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.
Licence: Open Government Licence v3.0.