23 Radnor Street, Southsea, PO5 4JH
About 23 Radnor Street
23 Radnor Street is a one-bedroom mid-terrace house in Southsea (PO5 4JH). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1950-1966 and council tax band A. At 48 m² this is the 13th smallest of 17 units on EPC record in the building, where floor areas span 42–128 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (December 2022) shows a C (score 69), just inside the C band. When first surveyed in February 2014 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Very Good; while window efficiency dropped from Good to Average and lighting dropped from Very Good to Good.
Across 2001–2017, sale prices on this property compounded at 7.2% per year. Today's modelled estimate of £131,000 is 19.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£213/sq ft) was about 37.7% above the typical sold price in the postcode. 9 years since the last transfer (July 2017).
Know exactly what you're buying at 23 Radnor Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Ventilation system changed
Planning history
23 Radnor Street has no planning applications on record.
Notable planning nearby
18applications of note in the surrounding area
We flagged 2 things worth checking at 23 Radnor Street
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
Sale price has grown by over 3x since 2001.
£131,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 16 years.
£110,000
Growth on file: 7.2% per year over 16 years.
Sales timeline
27 July 2017Most recent
£110,000
+214.3%over 16 years16 March 2001
£35,000
Median price across the last 5 sales in PO5 4JH: £178,000 (2025–2013).
Nearby sales in PO5 4JH
Everything we know about 23 Radnor Street, 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 Radnor Street homes
On floor area, 23 Radnor Street stands well clear of the street.
EPC Rating
69 (C)
Street avg 72 (C)
Floor Area
48 m²
Street avg 45 m²
CO₂ Emissions
1.8 t/year
Street avg 1.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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
Isambard Brunel Road — bus stop.
Closest school
0.3 km
Ark Charter 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
55.3dB
Night-time· 23:00 – 07:00
44.1dB