Empson House, Flat 1, 21 Sandridge Road, St Albans, AL1 4BA
About Empson House
Empson House is a semi-detached house in St Albans (AL1 4BA). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1950-1966 and council tax band C. At 46 m² this is the smallest unit on EPC record across Empson House (46–64 m²). The latest certificate (October 2019) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Average to Good. The recommended improvements would push it to C (score 75).
Today's modelled estimate of £290,000 sits 75.8% above the 2022 sale of £165,000. At 46 m² it's 17.9% smaller than the typical home in the postcode (56 m² median across 3 EPCs). Last sale on file: £165,000 in May 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about Empson House
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Wall insulation improved
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Planning history
Empson House has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£290,000
Modelled from EPC, postcode comparables.
£165,000
Recorded with HM Land Registry.
Sales timeline
26 May 2022Most recent
£165,000
Median price across the last 3 sales in AL1 4BA: £210,000 (2022–2022).
Versus other Sandridge Road homes
On floor area, Empson House runs well behind the street norm.
Price per m²
£3,587
Street avg £3,422
Floor Area
46 m²
Street avg 57 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.0 t/year
Everything you need to know about Empson House
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

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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Boundary Road — bus stop.
Closest school
0.3 km
Bernards Heath Infant and Nursery School. 35 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.









