6 Blackthorn Terrace, Cumberland Street, Portsmouth, PO1 3JW
About 6 Blackthorn Terrace
6 Blackthorn Terrace is a mid-terrace house in Portsmouth (PO1 3JW). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (February 2026) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since May 2024. Between certificates, roof efficiency went from Poor to Average; while window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
Everything you need to know about 6 Blackthorn Terrace
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
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Level 2 HomeBuyer Report
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Planning history
6 Blackthorn Terrace has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
6 Blackthorn Terrace has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£260,000
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 PO1 3JW: £180,000 (2021–2004).
Versus other Cumberland Street homes
Habitable Rooms for 6 Blackthorn Terrace lags the street by a wide margin.
EPC Rating
76 (C)
Street avg 74 (C)
Floor Area
93 m²
Street avg 103 m²
CO₂ Emissions
2.1 t/year
Street avg 2.6 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
Everything you need to know about 6 Blackthorn Terrace
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
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Curzon Howe Road — bus stop.
Closest school
0.3 km
St George's Beneficial Church of England (Voluntary Controlled) Primary School. 34 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
47.9dB
Night-time· 23:00 – 07:00
40.4dB