3Y Avg Price
£712,500
2 sales
Properties
12
Sales / Year
0.6
5-year average
Avg £/sq ft
£702
£7,557/m²
Rank in AL4
112th
of 252 streets
Last Sale
£770,000
Dec 2025
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
29 total recorded
2 Marten Gate
Semi-Detached
£770,000
Dec 2025
27 Marten Gate
Semi-Detached
£655,000
Nov 2023
7 Marten Gate
Terraced
£475,500
Oct 2021
19 Marten Gate
Semi-Detached
£410,000
Jan 2021
6 Marten Gate
Semi-Detached
£490,000
Sept 2019
1 Marten Gate
Semi-Detached
£525,000
Jun 2017
22 Marten Gate
Terraced
£412,500
Dec 2016
24 Marten Gate
Semi-Detached
£520,000
Apr 2016
12 Marten Gate
Terraced
£380,000
Mar 2016
11 Marten Gate
Terraced
£377,000
Jul 2015
Street Rankings — AL4
Streets ranked by 3-year average sale price. Showing positions 108–117 of 252.
| # | Street | 3Y Avg |
|---|---|---|
| 108 | Tudor Road | £719,167 |
| 109 | Lower Gustard Wood | £717,000 |
| 110 | Chalkdell Fields | £716,115 |
| 111 | Puddingstone Drive | £714,625 |
| 112 | Marten Gate | £712,500 |
| 113 | Cairns Close | £711,250 |
| 114 | Lower Luton Road | £710,700 |
| 115 | King Edward Place | £706,250 |
| 116 | St Marys Walk | £701,000 |
| 117 | Roestock Lane | £698,000 |
Property Mix
Type
Tenure
EPC Ratings
12 of 12 properties have an EPC record
Avg floor area: 872 sq ft (81 m²)
District Context — AL4
AL4 covers Welwyn Garden City and surrounding areas in Hertfordshire, north of London. It is a planned commuter town with strong suburban character, well-regarded schools, and easy rail access to central London.
Average Property Price - AL4
£644,617
94
National percentile
12 month avg at 30 Sep 2026
Average Net Household Income - AL4
£42,764
68
National percentile
2023 census data
10-Year Annualised Price Growth - AL4
2.4%
32
National percentile
Estimate at 30 Sep 2026
10-Year Annualised Rent Growth - AL
3.8%
41
National percentile
Estimate at 30 Sep 2026