Flat 3, 42 Cottage Grove, Southsea, PO5 1EW
About Flat 3
Flat 3 is a mid-terrace house in Southsea (PO5 1EW). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1900-1929 and council tax band A. At 76 m² this is the largest unit on EPC record across the building (60–76 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (46 versus a best of 69). The latest certificate (April 2018) shows an E (score 46), well below the UK norm with real room to improve. When first surveyed in August 2009 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good and main heating went from Poor to Average. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on electricity.
At 76 m² it sits well below the postcode median (158 m² across 15 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
Know exactly what you're buying at Flat 3
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Flat 3's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Planning history
Flat 3 has no planning applications on record.
Notable planning nearby
111applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 3
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
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Sales history & valuation
Flat 3 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£174,000
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 PO5 1EW: £195,500 (2019–2015).
Nearby sales in PO5 1EW
Everything we know about Flat 3, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Cottage Grove homes
EPC Rating for Flat 3 lags the street by a wide margin.
EPC Rating
46 (E)
Street avg 66 (D)
Floor Area
76 m²
Street avg 57 m²
CO₂ Emissions
6.0 t/year
Street avg 2.8 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Elm Grove — bus stop.
Closest school
0.2 km
Cottage Grove Primary School and Nursery. 31 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.5dB

Night-time· 23:00 – 07:00
42.5dB