22a is an end-of-terrace house in St Albans (AL1 1BZ). It has a recorded floor area of 74 m² (around 797 sq ft) and construction records dating it to 2012-2021. The latest certificate (September 2025) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in November 2012 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Good and hot-water efficiency went from Very Poor to Average; while window efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 74 m² this is the 17th smallest of 25 units on EPC record in the building, where floor areas span 25–161 m². The building's EPC ratings span F to C across 25 units on file.
At 74 m² the property is well over the postcode median (54 m² across 24 EPCs), placing it in the larger end of the local stock. On a £-per-square-foot basis, the last sale (£559/sq ft) was about 35.3% above the typical sold price in the postcode. Sold November 2018 for £445,000.
22a's carbon output is low for the local stock.
No planning applications are recorded against 22a, Holywell Hill, St Albans, AL1 1BZ. The full report also covers planning activity across the surrounding area.
Full planning data for 22a, Holywell Hill, St Albans, AL1 1BZ
Every application and decision on this property and nearby, in full, in the report.
£404,000
Modelled from EPC, postcode comparables.
£445,000
Recorded with HM Land Registry.
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22a outperforms the street on co₂ emissions by a wide margin.
Price per m²
£6,014
Street avg £6,914
Floor Area
74 m²
Street avg 53 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Peahen PH — bus stop.
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Changes detected from historical EPC data
Upgraded to gas central heating
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation upgraded
Heating system changed
Heating controls changed
Hot water system changed
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
23 November 2018Most recent
£445,000
Median price across the last 5 sales in AL1 1BZ: £345,000 (2020–2015).
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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CO₂ Emissions
0.9 t/year
Street avg 3.2 t/year
AL1 1HA
Closest school
0.3 km
The Abbey Church of England Voluntary Aided Primary School, St Albans. 30 schools nearby.