3Y Avg Price
£558,333
3 sales
Properties
12
Sales / Year
0.8
5-year average
Avg £/sq ft
£455
£4,895/m²
Rank in AL7
35th
of 269 streets
Last Sale
£575,000
Dec 2025
Price History
Every recorded sale on this street, coloured by property type.
Last 10 Sales
26 total recorded
41 Blackthorn Road
Semi-Detached
£575,000
Dec 2025
4 Blackthorn Road
Semi-Detached
£525,000
Jan 2025
6 Blackthorn Road
Terraced
£575,000
Aug 2023
26 Blackthorn Road
Semi-Detached
£410,000
May 2022
16 Blackthorn Road
Semi-Detached
£410,000
Mar 2021
43 Blackthorn Road
Semi-Detached
£490,000
Jul 2017
8 Blackthorn Road
Terraced
£336,500
Aug 2016
1 Blackthorn Road
Semi-Detached
£380,000
Sept 2015
2 Blackthorn Road
Semi-Detached
£329,000
Aug 2015
12 Blackthorn Road
Terraced
£299,950
Aug 2015
Street Rankings — AL7
Streets ranked by 3-year average sale price. Showing positions 31–40 of 269.
| # | Street | 3Y Avg |
|---|---|---|
| 31 | Sylvandale | £575,667 |
| 32 | Claves Crescent | £575,000 |
| 33 | Woodhall Lane | £571,000 |
| 34 | Cedar Walk | £570,000 |
| 35 | Blackthorn Road | £558,333 |
| 36 | Birchall Wood | £555,333 |
| 37 | The Shaws | £555,000 |
| 38 | Long Ley | £547,000 |
| 39 | Landbeach | £545,000 |
| 40 | Gooseacre | £538,500 |
Property Mix
Type
Tenure
EPC Ratings
12 of 12 properties have an EPC record
Avg floor area: 1,055 sq ft (98 m²)
District Context — AL7
AL7 covers Welwyn Garden City and surrounding areas in Hertfordshire, north of London. It is a well-established commuter belt with suburban character and good transport links.
Average Property Price - AL7
£388,880
65
National percentile
Average Net Household Income - AL7
£44,456
74
National percentile
10-Year Annualised Price Growth - AL7
2.9%
26
National percentile
10-Year Annualised Rent Growth - AL
3.9%
50
National percentile