3Y Avg Price
£609,167
3 sales
Properties
12
Sales / Year
0.8
5-year average
Avg £/sq ft
—
Rank in AL6
113th
of 160 streets
Last Sale
£525,000
Dec 2025
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
19 total recorded
30 Grass Warren
Semi-Detached
£525,000
Dec 2025
31 Grass Warren
Semi-Detached
£595,000
Jul 2024
29 Grass Warren
Semi-Detached
£707,500
Jun 2024
3 Grass Warren
Semi-Detached
£500,000
Jul 2022
4 Grass Warren
Semi-Detached
£380,000
Jul 2015
26 Grass Warren
Semi-Detached
£300,000
May 2009
37 Grass Warren
Semi-Detached
£355,000
Jun 2007
26 Grass Warren
Semi-Detached
£262,500
Mar 2006
4 Grass Warren
Semi-Detached
£250,000
Nov 2005
11 Grass Warren
Terraced
£73,000
Jul 2003
Street Rankings — AL6
Streets ranked by 3-year average sale price. Showing positions 109–118 of 160.
| # | Street | 3Y Avg |
|---|---|---|
| 109 | Oaklea | £634,667 |
| 110 | Whetstone Court | £626,250 |
| 111 | Church Street | £625,000 |
| 112 | Butterwick Way | £614,286 |
| 113 | Grass Warren | £609,167 |
| 114 | Glebe Road | £606,667 |
| 115 | Lower Green | £600,222 |
| 116 | Copper Beeches | £600,000 |
| 117 | Scarff Close | £595,000 |
| 118 | Elmoor Close | £593,250 |
Property Mix
Type
Tenure
EPC Ratings
0 of 12 properties have an EPC record
District Context — AL6
AL6 covers areas around Welwyn Garden City and Hatfield in Hertfordshire, north of London. It is an established commuter belt district with strong professional employment and family-oriented housing.
Average Property Price - AL6
£711,302
96
National percentile
12 month avg at 30 Sep 2026
Average Net Household Income - AL6
£51,293
91
National percentile
2023 census data
10-Year Annualised Price Growth - AL6
1.2%
11
National percentile
Estimate at 30 Sep 2026
10-Year Annualised Rent Growth - AL
3.8%
41
National percentile
Estimate at 30 Sep 2026