23a, Florence Road, Southsea, PO5 2ND
About 23a
23a is a three-bedroom detached house in Southsea (PO5 2ND). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1976-1982 and council tax band D. At 64 m² this is the 8th smallest of 22 units on EPC record in the building, where floor areas span 15–204 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (October 2022) shows a C (score 72). The rating has held steady at C across 3 certificates since March 2011. Between certificates, lighting went from Average to Very Good.
Across 2006–2016, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £410,000 is 12.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£530/sq ft) was about 164.9% above the typical sold price in the postcode. Last changed hands 10 years ago, in September 2016. At 64 m² it's 28.9% smaller than the typical home in the postcode (90 m² median across 21 EPCs). One historical planning record sits against the property in 2017.
Know exactly what you're buying at 23a
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
Outside
- Private gardenrear
- Parkingoff_road
Building
- Heating systemgas
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Roof insulation improved
Cavity wall insulation installed
More low energy lighting installed
Planning history
- Mar 2017ExtensionFullIn report
Extension: Single storey · Rear of property
Construction of single storey rear extension
- Agent
- FAO Miss Lucy Carswell
- Documents
- 4 docs on file
- Reference
- 17/00065/HOU
We flagged 2 things worth checking at 23a
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
23a saw 3 transfers in just over a decade — high turnover for the postcode.
£410,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 10 years.
£365,000
Growth on file: 4.1% per year over 10 years.
Sales timeline
22 September 2016Most recent
£365,000
+25.9%over 3 years25 March 2013
£290,000
+18.4%over 6 years28 September 2006
£245,000
Median price across the last 5 sales in PO5 2ND: £293,000 (2025–2023).
Nearby sales in PO5 2ND
Everything we know about 23a, 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
23a outperforms the street on epc rating by a wide margin.
Price per m²
£5,703
Street avg £3,162
Floor Area
64 m²
Street avg 41 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
2.0 t/year
Street avg 1.7 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
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