31 Blackthorne Close is a five-bedroom mid-terrace house in Hatfield (AL10 9DS). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (August 2019) shows a C (score 71). When first surveyed in June 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Very Good, window efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 86).
Sale prices here have outpaced England HPI: 6.4% per year against 0% for the wider region. Today's modelled estimate of £472,000 is 18% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£354/sq ft) was about 92.5% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include HMO conversion, meaningful when judging how the property has evolved. At 105 m² it's 16.7% larger than the typical home in the postcode (90 m² median across 26 EPCs). Last sale on file: £400,000 in July 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Certificate of lawfulness for the use of the property as a 5-bedroom HMO with no more than 8 occupants
Price for 31 Blackthorne Close has grown more than fourfold since the 1997 starting point.
£472,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 25 years.
£400,000
Growth on file: 6.4% per year over 25 years.
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On floor area, 31 Blackthorne Close stands well clear of the street.
Price per m²
£3,810
Street avg £3,196
Floor Area
105 m²
Street avg 79 m²
Habitable Rooms
5 rooms
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Tudor Close — bus stop.
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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Certificate of lawfulness for the existing use as a HMO (sui generis)
Full planning data for 31 Blackthorne Close, Hatfield, AL10 9DS
Every application and decision on this property and nearby, in full, in the report.
22 July 2022Most recent
£400,000
+381.9%over 25 years26 March 1997
£83,000
Median price across the last 5 sales in AL10 9DS: £415,000 (2023–2020).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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Street avg 4 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.3 t/year
AL10 9LP
Closest school
0.8 km
De Havilland Primary School. 11 schools nearby.