11a is a one-bedroom end-of-terrace house in Hatfield (AL10 9TF). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1900-1929 and council tax band B. At 37 m² this is the 2nd smallest of 21 units on EPC record in the building, where floor areas span 36–101 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (September 2024) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2018. The recommended improvements would push it to C (score 78).
Untraded for 22 years, with the last transfer in February 2004. Sale prices here have outpaced England HPI: 19.7% per year against 0% for the wider region. Today's modelled estimate of £227,000 is 33.5% above the 2004 sale price. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
No planning applications are recorded against 11a, Harpsfield Broadway, Comet Way, Hatfield, AL10 9TF. The full report also covers planning activity across the surrounding area.
Full planning data for 11a, Harpsfield Broadway, Comet Way, Hatfield, AL10 9TF
Every application and decision on this property and nearby, in full, in the report.
11a has more than doubled in price since the earliest registered sale in 1998.
£227,000
Modelled from EPC, postcode comparables and a sale-price growth of 19.7% per year over 5 years.
£170,000
Growth on file: 19.7% per year over 5 years.
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11a outperforms the street on years held by a wide margin.
Price per m²
£4,595
Street avg £4,923
Floor Area
37 m²
Street avg 54 m²
Habitable Rooms
2 rooms
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Galleria — bus stop.
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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
6 February 2004Most recent
£170,000
+161.5%over 5 years29 September 1998
£65,000
Median price across the last 5 sales in AL10 9TF: £167,500 (2025–2025).
4a King George House Harpsfield Broadway Comet Way Hatfield
Sold Mar 2025
2b King George House Harpsfield Broadway Comet Way Hatfield
Sold Mar 2025
1b King George House Harpsfield Broadway Comet Way Hatfield
Sold Mar 2025
5a King George House Harpsfield Broadway Comet Way Hatfield
Sold Mar 2025
4b King George House Harpsfield Broadway Comet Way Hatfield
Sold Mar 2025
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 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 1.6 t/year
AL10 9HZ
Closest school
0.7 km
Howe Dell Primary School. 12 schools nearby.