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
44, Boundary Lane, Welwyn Garden City, AL7 4DY -	18 Feb 2026	£390,000	73 m² 785 sqft	£5,342 £496	Terrace (3 bed)
18, Boundary Lane, Welwyn Garden City, AL7 4DY -	12 Dec 2025	£395,000	73 m² 785 sqft	£5,410 £502	Terrace (3 bed)
28, Boundary Lane, Welwyn Garden City, AL7 4DY -	30 Jun 2021	£493,000			Semi-D (3 bed)
20, Boundary Lane, Welwyn Garden City, AL7 4DY -	11 Aug 2014	£250,000	73 m² 785 sqft	£3,424 £318	Terrace (3 bed)
14, Boundary Lane, Welwyn Garden City, AL7 4DY -	18 Jul 2014	£270,000			Terrace (3 bed)
50, Boundary Lane, Welwyn Garden City, AL7 4DY -	09 Aug 2013	£218,000	73 m² 785 sqft	£2,986 £277	Semi-D (3 bed)
10, Boundary Lane, Welwyn Garden City, AL7 4DY -	15 Jun 2012	£235,000			Semi-D (3 bed)
34, Boundary Lane, Welwyn Garden City, AL7 4DY -	05 Dec 2011	£230,000	80 m² 861 sqft	£2,875 £267	Semi-D (3 bed)
16, Boundary Lane, Welwyn Garden City, AL7 4DY -	28 Jul 2006	£187,000			Terrace (3 bed)
38, Boundary Lane, Welwyn Garden City, AL7 4DY -	28 Feb 2003	£169,000	70 m² 753 sqft	£2,414 £224	Terrace (3 bed)
42, Boundary Lane, Welwyn Garden City, AL7 4DY	02 Feb 2001	£55,000			Terrace (3 bed)
44, Boundary Lane -	£390,000 Feb-2026	73 785	5,342 496
18, Boundary Lane -	£395,000 Dec-2025	73 785	5,410 502
28, Boundary Lane -	£493,000 Jun-2021
20, Boundary Lane -	£250,000 Aug-2014	73 785	3,424 318
14, Boundary Lane -	£270,000 Jul-2014
50, Boundary Lane -	£218,000 Aug-2013	73 785	2,986 277
10, Boundary Lane -	£235,000 Jun-2012
34, Boundary Lane -	£230,000 Dec-2011	80 861	2,875 267
16, Boundary Lane -	£187,000 Jul-2006
38, Boundary Lane -	£169,000 Feb-2003	70 753	2,414 224
42, Boundary Lane	£55,000 Feb-2001

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 £5,214 sqm (£484 per sq ft), this is calculated from the Land Registry sold price of the 8 most recent sales.
The majority of homes in Welwyn Garden City are now selling for between £4,330 and £5,470 per square metre (£402 and £508 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 roughly 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 8 property sales in Boundary Lane, averaging approximately 2 home sales per year .
The average size of all the properties on Boundary Lane is 89 m2 (957 sqft).