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
116, Boundary Lane, Welwyn Garden City, AL7 4DL -	24 Feb 2025	£475,000	114 m² 1227 sqft	£4,166 £387	Semi-D (4 bed)
120, Boundary Lane, Welwyn Garden City, AL7 4DL -	07 Dec 2012	£270,000	101 m² 1087 sqft	£2,673 £248	Semi-D (3 bed)
118, Boundary Lane, Welwyn Garden City, AL7 4DL -	22 Jul 2005	£222,000	92 m² 990 sqft	£2,413 £224	Semi-D (3 bed)
116, Boundary Lane -	£475,000 Feb-2025	114 1227	4,166 387
120, Boundary Lane -	£270,000 Dec-2012	101 1087	2,673 248
118, Boundary Lane -	£222,000 Jul-2005	92 990	2,413 224

The data above for Boundary 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 Boundary Lane, Welwyn Garden City is £5,160 sqm (£479 per sq ft), this is calculated from the sold price of the 6 most recent sales.
The majority of homes in Welwyn Garden City are now selling for between £4,380 and £5,410 per square metre (£406 and £502 per square foot) , find out more in this local analysis of AL7 4 (Welwyn Garden City) house prices.
There are about 34 homes on Boundary Lane, we would have expected approximately 4 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 6 property sales in Boundary Lane, averaging about 1 home sales per year .
The average size of all the properties on Boundary Lane is 89 m2 (957 sqft).