13a, Cowper Road, Markyate, St Albans, AL3 8PP
About 13a
13a is a detached house in Markyate, St. Albans, St Albans (AL3 8PP). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1950-1966 and council tax band B. At 44 m² this is the 17th smallest of 25 units on EPC record in the building, where floor areas span 37–96 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (May 2026) shows a C (score 74). The rating has held steady at C across 2 certificates since March 2012. Between certificates, roof efficiency went from Good to Very Good; while window efficiency dropped from Good to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
Energy performance
13a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 9 May 2036
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
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Planning history
13a has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
13a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£179,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in AL3 8PP: £200,000 (2025–2013).
Nearby sales in AL3 8PP
5a, Cowper Road, Markyate, St Albans, AL3 8PP
Sold Dec 2025
£200,00037 Cowper Road, Markyate, St Albans, AL3 8PP
Sold Oct 2023
£425,00027a, Cowper Road, Markyate, St Albans, AL3 8PP
Sold Nov 2019
£217,00027 Cowper Road, Markyate, St Albans, AL3 8PP
Sold Jun 2010
£175,00027b, Cowper Road, Markyate, St Albans, AL3 8PP
Sold Oct 2002
£108,000
Versus other Cowper Road homes
13a outperforms the street on floor area by a wide margin.
EPC Rating
74 (C)
Street avg 72 (C)
Floor Area
44 m²
Street avg 40 m²
CO₂ Emissions
1.4 t/year
Street avg 1.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Crime
170/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Village Hall — bus stop.
Closest school
0.2 km
Markyate Village School and Nursery. 4 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







