Harborough Court, Flat 4, Rainbow Close, Redbourn, St Albans, AL3 7LF
About Harborough Court
Harborough Court is a detached house in Redbourn, St. Albans, St Albans (AL3 7LF). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 2007-2011. At 46 m² this is the 3rd smallest of 4 units on EPC record in Harborough Court, where floor areas span 42–46 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (69 versus a worst of 62). The latest certificate (November 2025) shows a C (score 69), just inside the C band. When first surveyed in July 2010 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Poor; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. Main heating runs on electricity.
It hasn't traded since August 2010, a hold of 16 years that's notably long for the area. Today's modelled estimate of £229,000 sits 57.9% above the 2010 sale of £145,000. At 46 m² it's 21.4% smaller than the typical home in the postcode (59 m² median across 12 EPCs).
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Energy performance
Harborough Court's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Harborough Court 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
£229,000
Modelled from EPC, postcode comparables.
£145,000
Recorded with HM Land Registry.
Sales timeline
19 August 2010Most recent
£145,000
Median price across the last 3 sales in AL3 7LF: £148,000 (2016–2010).
Versus other Rainbow Close homes
On co₂ emissions, Harborough Court stands well clear of the street.
EPC Rating
69 (C)
Street avg 74 (C)
Floor Area
46 m²
Street avg 55 m²
CO₂ Emissions
0.7 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about Harborough Court
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
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ridgedown — bus stop.
Closest school
0.3 km
Redbourn Primary School. 3 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.