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 metre	Type	Paid	m2	£/m2
3, Sylvandale, Welwyn Garden City, AL7 2HP -	23 Feb 2012	£325,000	96 sqm	£3,385	Detached (4 bed)
7, Sylvandale, Welwyn Garden City, AL7 2HP -	28 Jan 2011	£280,000	90 sqm	£3,111	Detached (4 bed)
9, Sylvandale, Welwyn Garden City, AL7 2HP -	05 Mar 2010	£332,000	128 sqm	£2,593	Terrace (4 bed)
5, Sylvandale, Welwyn Garden City, AL7 2HP -	25 Aug 2006	£310,000	110 sqm	£2,818	Semi-D (3 bed)
15, Sylvandale, Welwyn Garden City, AL7 2HP -	20 Feb 1998	£145,000	120 sqm	£1,208	Terrace (4 bed)
3, Sylvandale -	£325,000 Feb-2012	96	3,385
7, Sylvandale -	£280,000 Jan-2011	90	3,111
9, Sylvandale -	£332,000 Mar-2010	128	2,593
5, Sylvandale -	£310,000 Aug-2006	110	2,818
15, Sylvandale -	£145,000 Feb-1998	120	1,208

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

The average price per square metre (per square foot) in Sylvandale, Welwyn Garden City is £6,119 sqm (£568 per sq ft), this is based on the selling price of the 9 most recent sales.
The majority of homes in Welwyn Garden City are now selling for between £4,380 and £5,810 per square metre , find out more in this local analysis of AL7 2 (Welwyn Garden City) house prices.
There are about 48 homes on Sylvandale, we would have expected roughly 6 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 9 property sales in Sylvandale, averaging roughly 2 home sales per year .
The average size of all the properties on Sylvandale is 92 m2 (990 sqft).

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