15, GREAT LEY, WELWYN GARDEN CITY, AL7 4TJ - £527,000

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.

15 GREAT LEY is a very small terraced house of 84m², built sometime between 1950 and 1966. It was last sold for £527,000 in July 2025, which was around 34% above the average July 2025 terraced price in the Welwyn Hatfield local authority area. The most recent EPC inspection was October 2020, where the current energy rating was D, and the potential energy rating was B.

15 GREAT LEY Sold Prices

Land registry data shows four sales for 15 GREAT LEY since 1^st 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 15 GREAT LEY sales were 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
2025 18 JUL	£527,000	£392,382	34% above HPI
2021 25 MAR	£467,500	£363,903	28% above HPI
2018 27 JUN	£425,000	£344,251	23% above HPI
2015 6 MAR	£290,152	£269,678	8% above HPI

15 GREAT LEY 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 15 GREAT LEY sales between March 2015 and July 2025 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 March 2021 sale was for 28% above the HPI. So the extrapolation line tracks at 28% above the HPI over time, until the July 2025 sale, where it rises to 34% above the HPI. The line then continues to track at 34% above the HPI.

How Large is 15 GREAT LEY?

15 GREAT LEY is 84m² according to the EPC inspection conducted in October 2020. This puts it in the smallest 10% of terraced houses houses in Welwyn Garden City, based on EPC data. The below chart shows the distribution of terraced houses houses by size in Welwyn Garden City, and where 15 GREAT LEY lies on this distribution: 9% of terraced houses houses are smaller than 15 GREAT LEY, and 90% of houses are larger. Note that EPC data is not available for all properties in Welwyn Garden City.

15 GREAT LEY: Plot and Title Map

15 GREAT LEY sits on a plot of roughly 0.076 of an acre, or 306m². The below map shows the location of 15 GREAT LEY, 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 15 GREAT LEY). 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 15 GREAT LEY?

15 GREAT LEY is located in WELWYN GARDEN CITY, in the AL7 postcode district. The below map shows the position of No. 15 on GREAT LEY.