20b, Charles Arden Close, Southampton, SO16 4HS
About 20b
20b is a two-bedroom detached house in Southampton (SO16 4HS). It has a recorded floor area of 58 m² (around 624 sq ft) and construction records dating it to 2012-2021. The latest certificate (July 2025) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since June 2014. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. At 58 m² this is the 11th smallest of 42 units on EPC record in the building, where floor areas span 50–113 m². The building's EPC ratings span C to A across 42 units on file.
Most recent transfer was October 2025 at £120,000 — fresh data. Across 2021–2025, sale prices on this property compounded at 9.6% per year. Today's modelled estimate of £147,000 is 22.5% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£192/sq ft) was about 28.8% below the postcode norm.
What this property has
Inside
- Bedrooms2
- Open-plan layoutYes
Outside
- Communal gardenYes
- ParkingAllocated
Building
- Central heatingYes
- RefurbishedYes
Energy performance
20b's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 10 July 2035
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
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Planning history
20b has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£147,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.6% per year over 4 years.
£120,000
Growth on file: 9.6% per year over 4 years.
Sales timeline
31 October 2025Most recent
£120,000
+44.1%over 3 years2 November 2021
£83,250
Median price across the last 5 sales in SO16 4HS: £189,950 (2026–2023).
Nearby sales in SO16 4HS
23 Charles Arden Close, Southampton, SO16 4HS
Sold Apr 2026
£200,00040b, Charles Arden Close, Southampton, SO16 4HS
Sold Dec 2024
£195,00020 Charles Arden Close, Southampton, SO16 4HS
Sold Oct 2024
£80,00020a, Charles Arden Close, Southampton, SO16 4HS
Sold Mar 2024
£74,00042 Charles Arden Close, Southampton, SO16 4HS
Sold Feb 2023
£189,950
Versus other Charles Arden Close homes
On years held, 20b runs well behind the street norm.
Price per m²
£2,069
Street avg £2,826
Floor Area
58 m²
Street avg 58 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.0 t/year
Street avg 0.7 t/year
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The neighbourhood at a glance
Crime
536/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Maybush Road — bus stop.
Closest school
0.5 km
Oasis Academy Lord's Hill. 27 schools nearby.
Go deeper on the local area
A Local Area 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
43.4dB







