12, MANNICOTTS, WELWYN GARDEN CITY, AL8 7BW - £250,000

Based on the January 2025 Price Paid Data (released on 3rd March 2025), the December 2024 House Price Index (released on 19th February 2025), and the January 2025 Energy Performance of Buildings Data (released on 27th February 2025). Sources

12 MANNICOTTS is a small extended detached house of 110m², built sometime between 1900 and 1929, which could now be worth an estimated £847,003. It was last sold for £250,000 in October 1999, which was around 6% below the average October 1999 detached price in the Welwyn Hatfield local authority area. The most recent EPC inspection was November 2022, where the current energy rating was D, and the potential energy rating was B.

12 MANNICOTTS Sold Prices

Land registry data shows two sales for 12 MANNICOTTS since 1^st 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. One of the two 12 MANNICOTTS 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).

Date	Price	HPI Price	Variation from HPI
1999 15 OCT	£250,000	£266,921	6% below HPI
1998 21 JUL	£293,000	£233,547	25% above HPI

12 MANNICOTTS 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 MANNICOTTS sales from July 1998 and October 1999 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 July 1998 sale was for 25% above the HPI. So the extrapolation line tracks at 25% above the HPI over time, until the October 1999 sale, where it falls to 6% below the HPI. The line then continues to track at 6% below the HPI.

What might 12 MANNICOTTS be worth now?

12 MANNICOTTS might now be worth an estimated £847,003.

This is based on house price inflation of 238.8%, between October 1999 and December 2024, 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 238.8% inflationary increase is applied to the most recent sale price for 12 MANNICOTTS of £250,000 on 15th October 1999. For the value to have increased from £250,000 to £847,003 over the 24 years and ten months to December 2024, the following assumptions must hold true:

• The value of 12 MANNICOTTS has moved in line with the HPI for detached houses in the Welwyn Hatfield local authority area.
• The October 1999 sale price of £250,000 represented a fair market value for the property.
• The size, condition, and specification of 12 MANNICOTTS has not materially changed since October 1999.

How Large is 12 MANNICOTTS?

12 MANNICOTTS is 110m², which includes one extension, according to the EPC inspection conducted in November 2022. This puts it in the smallest 40% of detached houses houses in Welwyn Garden City, based on EPC data. The below chart shows the distribution of detached houses houses by size in Welwyn Garden City, and where 12 MANNICOTTS lies on this distribution: 33% of detached houses houses are smaller than 12 MANNICOTTS, and 64% of houses are larger. Note that EPC data is not available for all properties in Welwyn Garden City.

12 MANNICOTTS: Plot and Title Map

12 MANNICOTTS sits on a plot of roughly 5.9 acres, or 23,997m². The below map shows the location of 12 MANNICOTTS, 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 MANNICOTTS). 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.

Where is 12 MANNICOTTS?

12 MANNICOTTS is located in WELWYN GARDEN CITY, in the AL8 postcode district. The below map shows the position of No. 12 on MANNICOTTS.