20a, Derby Road, Southampton, SO14 0DF
About 20a
20a is a mid-terrace house in Southampton (SO14 0DF). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1930-1949 and council tax band A. At 50 m² this is the 2nd smallest of 10 units on EPC record in the building, where floor areas span 48–153 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (October 2019) shows a C (score 74). The rating has held steady at C across 4 certificates since September 2009. Between certificates, wall efficiency dropped from Good to Poor.
At 50 m² it sits well below the postcode median (84 m² across 9 EPCs), making it one of the more compact homes locally.
Energy performance
20a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 28 October 2029
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Heating controls changed
Hot water efficiency decreased
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
20a has no planning applications on record.
But the area is active
26 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£143,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 2 sales in SO14 0DF: £223,750 (2024–2003).
Versus other Derby Road homes
20a is notably below the street on habitable rooms.
EPC Rating
74 (C)
Street avg 72 (C)
Floor Area
50 m²
Street avg 62 m²
CO₂ Emissions
1.5 t/year
Street avg 1.9 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
413/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Brintons Road — bus stop.
Closest school
0.3 km
St Mary's Church of England Primary School & Nursery. 31 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
56.0dB

Night-time· 23:00 – 07:00
46.5dB







