Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area	Last sold	Price paid	Floor area (m²) Floor area (sq ft)	£ per m² £ per sq ft	Type	Sold	m² sq ft	£/m² £/sq ft
Springfield, 21, Park Lane, Old Knebworth, SG3 6PD -	28 Jun 2021	£725,000	137 m² 1474 sqft	£5,291 £491	Detached (4 bed)
17, Park Lane, Old Knebworth, SG3 6PD	11 Jul 2018	£585,000	101 m² 1087 sqft	£5,792 £538	Detached (4 bed)
19, Park Lane, Old Knebworth, SG3 6PD -	13 Mar 2007	£417,000	155 m² 1668 sqft	£2,690 £249	Detached (4 bed)
Springfield, 21, Park Lane -	£725,000 Jun-2021	137 1474	5,291 491
17, Park Lane	£585,000 Jul-2018	101 1087	5,792 538
19, Park Lane -	£417,000 Mar-2007	155 1668	2,690 249

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

The average price per square metre (per square foot) in Park Lane, Old Knebworth is £4,911 sqm (£456 per sq ft), this is calculated from sold house prices of the 12 most recent sales.
The majority of homes in Knebworth are now selling for between £4,470 and £5,590 per square metre (£415 and £519 per square foot) , find out more in this local analysis of SG3 6 (Knebworth) house prices.
There are approximately 55 homes on Park Lane, we would have expected roughly 7 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 12 property sales in Park Lane, averaging about 3 home sales per year .
The average size of all the properties on Park Lane is 148 m2 (1,593 sqft).