Top Flat, 59 Elm Grove, Southsea, PO5 1JF
About Top Flat
Top Flat is a three-bedroom mid-terrace house in Southsea (PO5 1JF). It has a recorded floor area of 77 m² (around 829 sq ft) and construction records dating it to 1900-1929. The latest certificate (December 2019) shows an E (score 46), well below the UK norm with real room to improve. Earlier certificates rated it C (June 2009); the latest reading is 2 bands lower. Between certificates, roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would push it to D (score 62). Main heating runs on lpg.
At 77 m² the property is well over the postcode median (47 m² across 35 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Today's modelled estimate of £253,000 sits 153% above the 2024 sale of £100,000. On a £-per-square-foot basis, the last sale (£121/sq ft) was about 20.5% above the typical sold price in the postcode. Most recent transfer: May 2024 at £100,000. One historical planning record sits against the property in 2012.
Know exactly what you're buying at Top Flat
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
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- EnsuiteYes
Outside
- Shared gardenYes
Building
- Central heatingYes
Energy performance
EPC Rating
Planning history
- Sept 2012Change Of UseFullIn report
Change of use from house in multiple occupation (Class C4) to purposes falling within Class C4 (house in multiple occupation) or Class C3 (dwelling house)
- Documents
- 5 docs on file
- Reference
- 12/00830/FUL
We flagged 1 thing worth checking at Top Flat
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
30-day money-back guarantee
Sales history & valuation
Top Flat valuation sits well clear of the typical sold price in this postcode.
£253,000
Modelled from EPC, postcode comparables.
£100,000
Recorded with HM Land Registry.
Sales timeline
29 May 2024Most recent
£100,000
Median price across the last 5 sales in PO5 1JF: £90,000 (2024–2024).
Nearby sales in PO5 1JF
New Buildings, Flat 4, 55 Elm Grove, Southsea, PO5 1JF
Sold May 2024
£90,000New Buildings, Flat 2, 55 Elm Grove, Southsea, PO5 1JF
Sold May 2024
£90,00059a, Elm Grove, Southsea, PO5 1JF
Sold May 2024
£90,000New Buildings, Flat 1, 55 Elm Grove, Southsea, PO5 1JF
Sold May 2024
£90,00091 Elm Grove, Southsea, PO5 1JF
Sold Jan 2024
£153,000
Everything we know about Top Flat, 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 Elm Grove homes
On epc rating, Top Flat runs well behind the street norm.
Price per m²
£1,299
Street avg £1,390
Floor Area
77 m²
Street avg 59 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.9 t/year
Street avg 2.7 t/year
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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
Green Road — bus stop.
Closest school
0.1 km
Cottage Grove Primary School and Nursery. 29 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
53.8dB

Night-time· 23:00 – 07:00
42.6dB