20 Corwen Close, Blackburn, BB1 8HZ
About 20 Corwen Close
20 Corwen Close is a mid-terrace house in Blackburn (BB1 8HZ). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (October 2025) shows a C (score 71). When first surveyed in July 2013 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Average to Poor.
It hasn't traded since March 2004, a hold of 22 years that's notably long for the area. Today's modelled estimate of £145,000 sits 778.8% above the 2004 sale of £16,500. On a £-per-square-foot basis, the last sale (£16/sq ft) was about 83.4% below the postcode norm.
Everything you need to know about 20 Corwen Close
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
Hot water efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
20 Corwen Close 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
20 Corwen Close's modelled value sits at over four times its earliest registered sale price (2004).
£145,000
Modelled from EPC, postcode comparables.
£16,500
Recorded with HM Land Registry.
Sales timeline
8 March 2004Most recent
£16,500
Median price across the last 5 sales in BB1 8HZ: £107,000 (2021–2006).
Nearby sales in BB1 8HZ
Versus other Corwen Close homes
20 Corwen Close is notably below the street on price per m².
Price per m²
£172
Street avg £995
Floor Area
96 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.8 t/year
Everything you need to know about 20 Corwen Close
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

Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Oozebooth Terrace — bus stop.
Closest school
0.1 km
St James' Church of England Primary School Blackburn. 40 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.









