343a, Copnor Road, Portsmouth, PO3 5EQ
About 343a
343a is a mid-terrace house in Portsmouth (PO3 5EQ). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2025) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in October 2009 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good and main heating went from Poor to Good. At 61 m² this is the 4th smallest of 15 units on EPC record in the building, where floor areas span 45–124 m². The building's EPC ratings span E to C across 15 units on file.
At 61 m² it's 15.3% smaller than the typical home in the postcode (72 m² median across 14 EPCs). One historical planning record sits against the property in 2002.
Everything you need to know about 343a
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
More low energy lighting installed
Replaced storage heaters with gas boiler
Connected to mains gas supply
Hot water system upgraded
Windows upgraded, improving insulation
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
1 application on record at 343a, Copnor Road, Portsmouth, PO3 5EQ
- Oct 2002RenovationFullOutcome in report
INSTALLATION OF FLAT FRONTED UPVC WINDOW TO REPLACE EXISTING FIRST FLOOR BAY WINDOW TO FRONT ELEVATION
New Windows- Documents
- 2 docs on file
- Reference
- A*38088/AA
Unlock 343a, Copnor Road, Portsmouth, PO3 5EQ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 10 notable nearby
- The 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
343a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£159,000
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 PO3 5EQ: £173,000 (2022–2011).
Nearby sales in PO3 5EQ
Versus other Copnor Road homes
343a outperforms the street on co₂ emissions by a wide margin.
EPC Rating
63 (D)
Street avg 58 (D)
Floor Area
61 m²
Street avg 61 m²
CO₂ Emissions
2.2 t/year
Street avg 3.2 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 343a
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
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Green Lane — bus stop.
Closest school
0.3 km
Mayfield 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
51.5dB
Night-time· 23:00 – 07:00
42.0dB