Property/Postcode Data Search:

11, HAY WAINS, WOOLMER GREEN, KNEBWORTH, SG3 6HW - £460,000

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.

11 HAY WAINS is a very small terraced house of 73m², built sometime between 2003 and 2006, which could now be worth an estimated £465,255. It was last sold for £460,000 in February 2022, which was around 19% above the average February 2022 terraced price in the Welwyn Hatfield local authority area. The most recent EPC inspection was October 2013, where the current energy rating was C, and the potential energy rating was B.

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11 HAY WAINS Sold Prices

Land registry data shows four sales for 11 HAY WAINS since 1st January 1995. The below table shows the price paid for the four sales, along with the average terraced price in the Welwyn Hatfield local authority area for the corresponding sale date. All of the four 11 HAY WAINS sales were for above the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2022
8 FEB
£460,000£387,950
up arrow
19% above HPI
2020
24 SEP
£425,000£358,709
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18% above HPI
2019
14 JAN
£410,000£343,374
up arrow
19% above HPI
2003
14 JUL
£237,500£163,536
up arrow
45% above HPI

11 HAY WAINS Price Paid vs. HPI Average

The below graph shows the average terraced house price in the Welwyn Hatfield local authority area over time, sourced from the HPI. The four 11 HAY WAINS sales between July 2003 and February 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 September 2020 sale was for 18% above the HPI. So the extrapolation line tracks at 18% above the HPI over time, until the February 2022 sale, where it rises to 19% above the HPI. The line then continues to track at 19% above the HPI.

11, HAY WAINS, WOOLMER GREEN, KNEBWORTH, SG3 6HW: Price paid vs HM Land Registry's House Price Index

What might 11 HAY WAINS be worth now?

11 HAY WAINS might now be worth an estimated £465,255.

This is based on house price inflation of 1.1%, between February 2022 and July 2025, for terraced 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 1.1% inflationary increase is applied to the most recent sale price for 11 HAY WAINS of £460,000 on 8th February 2022. For the value to have increased from £460,000 to £465,255 over the two years and seven months to July 2025, the following assumptions must hold true:

  • The value of 11 HAY WAINS has moved in line with the HPI for terraced houses in the Welwyn Hatfield local authority area.
  • The February 2022 sale price of £460,000 represented a fair market value for the property.
  • The size, condition, and specification of 11 HAY WAINS has not materially changed since February 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 11 HAY WAINS?

11 HAY WAINS is 73m² according to the EPC inspection conducted in October 2013. This puts it in the smallest 10% of terraced houses houses in Woolmer Green, based on EPC data. The below chart shows the distribution of terraced houses houses by size in Woolmer Green, and where 11 HAY WAINS lies on this distribution: 5% of terraced houses houses are smaller than 11 HAY WAINS, and 94% of houses are larger. Note that EPC data is not available for all properties in Woolmer Green.

11, HAY WAINS, WOOLMER GREEN, KNEBWORTH, SG3 6HW: Size of property relative to terraced houses houses in Woolmer Green

11 HAY WAINS: Plot and Title Map

11 HAY WAINS sits on a plot of roughly 0.033 of an acre, or 134m². The below map shows the location of 11 HAY WAINS, 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 11 HAY WAINS). 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.

11, HAY WAINS, WOOLMER GREEN, KNEBWORTH, SG3 6HW: Plot and title map

Where is 11 HAY WAINS?

11 HAY WAINS is located in WOOLMER GREEN, in the SG3 postcode district. The below map shows the position of No. 11 on HAY WAINS.

11, HAY WAINS, WOOLMER GREEN, KNEBWORTH, SG3 6HW: Location map and indicative extent of plot

All property sales on HAY WAINS

Most recent sales first:

Full data available
2024
12 JAN
£585,000
Full data available
2022
16 AUG
£475,000
Full data available
2022
8 FEB
£460,000
Full data available
2021
3 DEC
£443,000
Full data available
2020
24 SEP
£425,000
Full data available
2019
22 NOV
£325,000
Limited data available
2019
13 NOV
£430,000
Full data available
2019
14 JAN
£410,000
Full data available
2018
3 JUL
£486,000
Full data available
2013
11 DEC
£370,000
Limited data available
2008
14 FEB
£232,500
Full data available
2007
26 OCT
£225,000
Full data available
2007
14 MAR
£275,000
Full data available
2006
21 AUG
£270,000
Full data available
2006
17 JUL
£210,000
Full data available
2004
28 OCT
£305,000
Full data available
2004
22 OCT
£290,000
Limited data available
2004
6 AUG
£254,800
Limited data available
2003
12 DEC
£312,870
Full data available
2003
14 NOV
£244,950
Full data available
2003
24 OCT
£196,000
Full data available
2003
4 SEP
£304,950
Limited data available
2003
1 SEP
£294,950
Full data available
2003
24 JUL
£204,950
Full data available
2003
14 JUL
£237,500
Limited data available
2003
4 JUL
£199,950
Full data available
2003
4 JUL
£234,950
Limited data available
2003
2 JUL
£199,950
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.