Property Data Search:

12, ROSECROFT LANE, WELWYN, AL6 0UB - £342,500

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.

12 ROSECROFT LANE is a very small extended detached house of 90m², built sometime between 1930 and 1949, which could now be worth an estimated £585,396. It was last sold for £342,500 in December 2011, which was around 37% below the average December 2011 detached price in the Welwyn Hatfield local authority area. The most recent EPC inspection was September 2010, where the current energy rating was D, and the potential energy rating was D.

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12 ROSECROFT LANE Sold Prices

Land registry data shows two sales for 12 ROSECROFT LANE 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 12 ROSECROFT LANE 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
2011
2 DEC
£342,500£544,680
down arrow
37% below HPI
2007
21 JUN
£240,100£507,488
down arrow
53% below HPI

12 ROSECROFT LANE 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 12 ROSECROFT LANE sales from June 2007 and December 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 June 2007 sale was for 53% below the HPI. So the extrapolation line tracks at 53% below the HPI over time, until the December 2011 sale, where it rises to 37% below the HPI. The line then continues to track at 37% below the HPI.

12, ROSECROFT LANE, WELWYN, AL6 0UB: Price paid vs HM Land Registry's House Price Index

What might 12 ROSECROFT LANE be worth now?

12 ROSECROFT LANE might now be worth an estimated £585,396.

This is based on house price inflation of 70.9%, between December 2011 and March 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 70.9% inflationary increase is applied to the most recent sale price for 12 ROSECROFT LANE of £342,500 on 2nd December 2011. For the value to have increased from £342,500 to £585,396 over the fourteen years and nine months to March 2025, the following assumptions must hold true:

  • The value of 12 ROSECROFT LANE has moved in line with the HPI for detached houses in the Welwyn Hatfield local authority area.
  • The December 2011 sale price of £342,500 represented a fair market value for the property.
  • The size, condition, and specification of 12 ROSECROFT LANE has not materially changed since December 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 12 ROSECROFT LANE?

12 ROSECROFT LANE is 90m², which includes one extension, according to the EPC inspection conducted in September 2010. This puts it in the smallest 10% of detached houses houses in Oaklands, based on EPC data. The below chart shows the distribution of detached houses houses by size in Oaklands, and where 12 ROSECROFT LANE lies on this distribution: 6% of detached houses houses are smaller than 12 ROSECROFT LANE, and 94% of houses are larger. Note that EPC data is not available for all properties in Oaklands.

12, ROSECROFT LANE, WELWYN, AL6 0UB: Size of property relative to detached houses houses in Oaklands

12 ROSECROFT LANE: Plot and Title Map

12 ROSECROFT LANE sits on a plot of roughly 0.147 of an acre, or 596m². The below map shows the location of 12 ROSECROFT LANE, 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 12 ROSECROFT LANE). 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.

12, ROSECROFT LANE, WELWYN, AL6 0UB: Plot and title map

Where is 12 ROSECROFT LANE?

12 ROSECROFT LANE is located in WELWYN, in the AL6 postcode district. The below map shows the position of No. 12 on ROSECROFT LANE.

12, ROSECROFT LANE, WELWYN, AL6 0UB: Location map and indicative extent of plot

All property sales on ROSECROFT LANE

Most recent sales first:

Full data available
2023
4 AUG
£495,000
Full data available
2023
31 MAR
£895,000
Full data available
2021
23 AUG
£996,500
Full data available
2021
28 JUN
£638,500
Limited data available
2019
7 JUN
£538,100
Full data available
2016
14 SEP
£415,000
Full data available
2015
12 NOV
£555,000
Limited data available
2015
21 MAY
£742,500
Limited data available
2013
3 DEC
£330,000
Full data available
2013
14 JAN
£367,500
Full data available
2011
2 DEC
£342,500
Limited data available
2011
9 SEP
£410,000
Full data available
2007
21 JUN
£240,100
Full data available
2007
31 JAN
£315,000
Limited data available
2006
6 FEB
£410,000
Full data available
2005
19 AUG
£273,500
Full data available
2005
15 AUG
£362,000
Limited data available
2002
31 OCT
£280,000
Full data available
2002
12 JUL
£324,000
Full data available
1998
22 APR
£125,000
Limited data available
1997
24 NOV
£169,950
Limited data available
1996
22 MAY
£130,000
Full data available
1995
8 SEP
£130,000
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.