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Get started3 Blackthorn Road is a three-bedroom semi-detached house in Welwyn Garden City (AL7 3JP). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2026) shows a C (score 72). When first surveyed in July 2012 the rating was D, the property has climbed 1 band since. This certificate was lodged in the last six months, so the rating reflects current condition.
It hasn't traded since March 2006, a hold of 20 years that's notably long for the area. Sale prices here have outpaced England HPI: 10% per year against 0% for the wider region. Today's modelled estimate of £459,000 sits 108.6% above the 2006 sale of £220,000.
The EPC has just been inspected, so the rating reflects current condition.
3 Blackthorn Road's estimated value is more than triple its earliest registered sale price (2000).
£459,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.0% per year over 6 years.
£220,000
Growth on file: 10.0% per year over 6 years.
On habitable rooms, 3 Blackthorn Road runs well behind the street norm.
Price per m²
£2,200
Street avg £3,424
Floor Area
100 m²
Street avg 109 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Salisbury Road — bus stop.
Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
13 March 2006Most recent
£220,000
+70.5%over 5 years15 August 2000
£129,000
Median price across the last 5 sales in AL7 3JP: £295,000 (2017–2004).
CO₂ Emissions
3.0 t/year
Street avg 3.4 t/year
AL7 3DA
Closest school
0.0 km
Swallow Dell Primary and Nursery School. 18 schools nearby.
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