Upper Flat, 9 Florence Road, Southsea, PO5 2ND
About Upper Flat
Upper Flat is a mid-terrace house in Southsea (PO5 2ND). It has a recorded floor area of 90 m² (around 969 sq ft) and construction records dating it to 1900-1929. The latest certificate (June 2020) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (December 2008); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Average to Very Poor.
Today's modelled estimate of £189,000 sits 57.5% above the 2025 sale of £120,000. On a £-per-square-foot basis, the last sale (£124/sq ft) was about 44.4% below the postcode norm. Most recent transfer was January 2025 at £120,000 — fresh data. Across the public record there are 4 sales, relatively high churn for a single property.
Know exactly what you're buying at Upper 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Heating controls changed
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Planning history
Upper Flat has no planning applications on record.
Notable planning nearby
20applications of note in the surrounding area
We flagged 2 things worth checking at Upper 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
- Environmental risk flagged
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Sales history & valuation
Upper Flat's sale-price growth has lagged the wider UK trajectory across its history on file.
£189,000
Modelled from EPC, postcode comparables.
£120,000
Recorded with HM Land Registry.
Sales timeline
31 January 2025Most recent
£120,000
-27.3%over 8 years1 March 2016
£165,000
+3.1%over 10 years9 December 2005
£160,000
+33.3%over 1 year30 September 2004
£120,000
Median price across the last 5 sales in PO5 2ND: £293,000 (2025–2022).
Nearby sales in PO5 2ND
11 Florence Road, Southsea, PO5 2ND
Sold Sept 2025
£455,0005 Florence Road, Southsea, PO5 2ND
Sold May 2024
£293,0003 Florence Road, Southsea, PO5 2ND
Sold Sept 2023
£780,000Flat 2, 3 Florence Road, Southsea, PO5 2ND
Sold Feb 2023
£228,000Ground Floor Flat, 9 Florence Road, Southsea, PO5 2ND
Sold Nov 2022
£200,000
Everything we know about Upper 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
- Environmental risk flagged
Versus other Florence Road homes
Price per m² for Upper Flat lags the street by a wide margin.
Price per m²
£1,333
Street avg £4,619
Floor Area
90 m²
Street avg 38 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
3.4 t/year
Street avg 1.6 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
Mayville High School — bus stop.
Closest school
0.3 km
St Swithun's Catholic Primary School. 25 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
52.7dB
Night-time· 23:00 – 07:00
42.0dB