Top Floor Flat, 28 Copnor Road, Portsmouth, PO3 5AH
About Top Floor Flat
Top Floor Flat is a mid-terrace house in Portsmouth (PO3 5AH). It has a recorded floor area of 47 m² (around 506 sq ft) and construction records dating it to 1900-1929. The latest certificate (February 2025) shows a C (score 69), just inside the C band. When first surveyed in November 2008 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor.
Today's modelled estimate of £175,000 sits 94.4% above the 2014 sale of £90,000. On a £-per-square-foot basis, the last sale (£178/sq ft) was about 17.5% above the typical sold price in the postcode. At 47 m² it sits well below the postcode median (96 m² across 23 EPCs), making it one of the more compact homes locally. On the market in June 2014 and unlisted since — roughly 12 years.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Low energy lighting percentage decreased
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
Top Floor Flat has no planning applications on record.
But the area is active
10 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Top Floor Flat valuation sits well clear of the typical sold price in this postcode.
£175,000
Modelled from EPC, postcode comparables.
£90,000
Recorded with HM Land Registry.
Sales timeline
19 June 2014Most recent
£90,000
Median price across the last 5 sales in PO3 5AH: £253,109 (2025–2021).
Nearby sales in PO3 5AH
Versus other Copnor Road homes
Top Floor Flat is notably below the street on floor area.
Price per m²
£1,915
Street avg £2,204
Floor Area
47 m²
Street avg 54 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.2 t/year
Similar properties nearby
Flat 3, 173 Copnor Road
PO3 5BT
First Floor Flat, 319 Copnor Road
PO3 5EG
Derry Court, Flat 2, 140 Copnor Road
PO3 5AN
Flat 2 4, 186 Copnor Road
PO3 5DA
Bottom Flat, 32 Copnor Road
PO3 5AH
Flat 2, 173 Copnor Road
PO3 5BT
Derry Court, Flat 3, 140 Copnor Road
PO3 5AN
Flat 1, 267 Copnor Road
PO3 5EF
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
18/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Copnor Bridge — bus stop.
Closest school
0.4 km
Penbridge Junior School. 43 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
50.7dB

Night-time· 23:00 – 07:00
40.0dB







