22a, Holywell Hill, St Albans, AL1 1BZ
About 22a
22a is a mid-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 20th smallest of 31 units on EPC record in the building, where floor areas span 25–161 m². The building's EPC ratings span F to C across 31 units on file.
On a £-per-square-foot basis, the last sale (£559/sq ft) was about 38.5% above the typical sold price in the postcode. Sold November 2018 for £445,000.
Everything you need to know about 22a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
22a's carbon output is low for the local stock.
EPC Rating
Property Improvements
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
Single glazing replaced with double or better glazing
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Hot water system upgraded
Upgraded to gas central heating
Heating controls upgraded for better temperature management
Hot water system upgraded
Heating system changed
Heating controls changed
Hot water system changed
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
22a has no planning applications on record.
But the area is active
5 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£404,000
Modelled from EPC, postcode comparables.
£445,000
Recorded with HM Land Registry.
Sales timeline
23 November 2018Most recent
£445,000
Median price across the last 5 sales in AL1 1BZ: £345,000 (2020–2015).
Nearby sales in AL1 1BZ
Versus other Holywell Hill homes
22a outperforms the street on co₂ emissions by a wide margin.
Price per m²
£6,014
Street avg £6,647
Floor Area
74 m²
Street avg 57 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
0.9 t/year
Street avg 3.3 t/year
Everything you need to know about 22a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
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.
Closest school
0.3 km
The Abbey Church of England Voluntary Aided Primary School, St Albans. 30 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.