Type
Semi-Detached
Tenure
Freehold
Floor Area
1,572 sq ft
146 m²
Last Sale Price
£415,000
Aug 2009
Estimated Valuation
£946,905
Est. £/sq ft
£603/sq ft
£6,486/m²
Property Details
TypeSemi-Detached
TenureFreehold
Built formSemi-Detached
Construction ageEngland and Wales: 1950-1966
Habitable rooms7
Main fuelmains gas (not community)
EPC currentC
EPC potentialC
Floor area1,572 sq ft (146 m²)
EPC dateApr 2017
WallsCavity wall, filled cavity
HeatingBoiler and radiators, mains gas
Transaction History
28 Aug 2009
£415,000
Key Metrics
Estimated valuation£946,905
Value per sq ft / m²£603/sq ft (£6,486/m²)
Estimated gross yieldNot available
Implied monthly rentNot available
AL4 district percentile78th percentile
National percentile95th percentile
Other Properties on Blackthorn Close
13Semi-Detached
£1,150,000
Jan 2025
18Semi-Detached
£855,000
Sept 2021
16Semi-Detached
£706,500
Sept 2015
10Semi-Detached
£855,000
May 2015
12Semi-Detached
£685,000
Mar 2015
11Semi-Detached
£587,000
May 2013
5Semi-Detached
£539,950
Feb 2013
1Detached
£625,000
Jul 2012
7Semi-Detached
£345,000
Sept 2009
2Detached
£410,000
May 2003
17Semi-Detached
£302,000
Oct 2001
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
£649,070
93
National percentile
12 month avg at 31 Jul 2026
Average Net Household Income - AL4
£42,764
68
National percentile
2023 census data
10-Year Annualised Price Growth - AL4
2.7%
35
National percentile
Estimate at 31 Jul 2026
10-Year Annualised Rent Growth - AL
3.9%
49
National percentile
Estimate at 31 Jul 2026