27b, Cowper Road, Markyate, St Albans, AL3 8PP
About 27b
27b is an end-of-terrace house in Markyate, St. Albans, St Albans (AL3 8PP). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (October 2021) shows a C (score 74). The rating has held steady at C across 4 certificates since December 2009. Between certificates, window efficiency went from Very Poor to Good; while roof efficiency dropped from Very Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to A (score 92), a 2-band jump.
It hasn't traded since October 2002, a hold of 24 years that's notably long for the area. Across 1998–2002, sale prices on this property compounded at 16% per year. Today's modelled estimate of £253,000 sits 134.3% above the 2002 sale of £108,000.
Energy performance
27b's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Single glazing replaced with double or better glazing
More low energy lighting installed
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Wall insulation improved
More low energy lighting installed
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Planning history
27b 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
27b's modelled value sits at over four times its earliest registered sale price (1998).
£253,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.0% per year over 4 years.
£108,000
Growth on file: 16.0% per year over 4 years.
Sales timeline
10 October 2002Most recent
£108,000
+81.5%over 4 years1 October 1998
£59,500
Median price across the last 5 sales in AL3 8PP: £175,000 (2023–2010).
Versus other Cowper Road homes
27b outperforms the street on years held by a wide margin.
Price per m²
£2,571
Street avg £4,079
Floor Area
42 m²
Street avg 73 m²
Habitable Rooms
2 rooms
Street avg 4 rooms
CO₂ Emissions
1.5 t/year
Street avg 2.7 t/year
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The neighbourhood at a glance
Crime
3/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.







