21 Hawthorn House, Ivy Close, Southsea, PO5 4FF
About 21 Hawthorn House
21 Hawthorn House is a semi-detached house in Southsea (PO5 4FF). It has a recorded floor area of 65 m² (around 700 sq ft) and construction records dating it to 2012-2021. At 65 m² this is the 11th smallest of 22 units on EPC record in the building, where floor areas span 52–77 m². The building's EPC ratings span C to B, with this unit at the bottom. On EPC score it ranks last in the building (80 versus a best of 85). The latest certificate (November 2025) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (July 2018); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Know exactly what you're buying at 21 Hawthorn House
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
21 Hawthorn House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Planning history
21 Hawthorn House has no planning applications on record.
Notable planning nearby
18applications of note in the surrounding area
We flagged 2 things worth checking at 21 Hawthorn House
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
- Larger development activity nearby
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Sales history & valuation
21 Hawthorn House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£182,000
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.
Everything we know about 21 Hawthorn House, 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
- Larger development activity nearby
Versus other Ivy Close homes
On epc rating, 21 Hawthorn House runs well behind the street norm.
EPC Rating
80 (C)
Street avg 84 (B)
Floor Area
65 m²
Street avg 64 m²
CO₂ Emissions
1.2 t/year
Street avg 0.5 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Somers Road — bus stop.
Closest school
0.2 km
Ark Ayrton Primary Academy. 36 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
54.9dB
Night-time· 23:00 – 07:00
43.6dB