Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area  Export table	Last sold	Price paid	Floor area	£ per square foot	Type	Paid	sqft	£/ft
28, Mardley Avenue, Welwyn, AL6 0TZ -	14 Oct 2022	£1,000,000	1485 sqft	£673	Detached (3 bed)
24, Mardley Avenue, Welwyn, AL6 0TZ -	16 Aug 2013	£490,000	1689 sqft	£289	Detached (4 bed)
28, Mardley Avenue -	£1,000,000 Oct-2022	138	7,246
24, Mardley Avenue -	£490,000 Aug-2013	157	3,121

The data above for Mardley Avenue can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in Mardley Avenue, Welwyn is £4,595 sqm (£426 per sq ft), this is calculated from the Land Registry sold price of the 5 most recent sales.
The majority of homes in Welwyn are now selling for between £454 and £566 per square foot , find out more in this local analysis of AL6 0 (Welwyn) house prices.
There are roughly 13 homes on Mardley Avenue, we would have expected about 1 sales each year given that in the UK people sell their homes on average once every 7 years.
In the last 4 years there have been 5 property sales in Mardley Avenue, averaging roughly 1 home sales per year .
The average size of all the properties on Mardley Avenue is 156 m2 (1,679 sqft).

*Land Registry 'Category B: Additional Price Paid entry'.