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Get started1 Blackthorn Road is a three-bedroom semi-detached house in Welwyn Garden City (AL7 3JP). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (July 2015) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2012); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 25.4% per year against 0% for the wider region. Today's modelled estimate of £482,000 is 26.8% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£376/sq ft) was about 104.2% above the typical sold price in the postcode. Last changed hands 11 years ago, in September 2015.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 22 Jul 2025
1 Blackthorn Road valuation sits well clear of the typical sold price in this postcode.
£482,000
Modelled from EPC, postcode comparables and a sale-price growth of 25.4% per year over 3 years.
£380,000
Growth on file: 25.4% per year over 3 years.
On epc rating, 1 Blackthorn Road runs well behind the street norm.
Price per m²
£4,043
Street avg £2,810
Floor Area
94 m²
Street avg 111 m²
Habitable Rooms
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
Windows upgraded, improving insulation
Are we missing something? Tell us about home improvements to help adjust your valuation.
4 September 2015Most recent
£380,000
+92.4%over 2 years12 October 2012
£197,500
Median price across the last 5 sales in AL7 3JP: £220,000 (2017–2003).
Street avg 6 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.1 t/year
AL7 3DA
Closest school
0.0 km
Swallow Dell Primary and Nursery School. 18 schools nearby.
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