10 12, Flat 9, Rockstone Place, Southampton, SO15 2SL
About 10 12
10 12 is a semi-detached house in Southampton (SO15 2SL). It has a recorded floor area of 44 m² (around 474 sq ft) and construction records dating it to before 1900. At 44 m² this is the smallest unit on EPC record across 10 12 (44–139 m²). The building's EPC ratings span F to B across 10 units on file. The latest certificate (October 2022) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since August 2010. Between certificates, main heating went from Very Poor to Average; while wall efficiency dropped from Average to Very Poor and lighting dropped from Very Good to Good. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity.
At 44 m² it sits well below the postcode median (106 m² across 9 EPCs), making it one of the more compact homes locally.
Everything you need to know about 10 12
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 16 October 2032
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls changed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
10 12 has no planning applications on record.
But the area is active
69 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
10 12 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£155,000
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 1 sales in SO15 2SL: £297,500 (2011–2011).
Nearby sales in SO15 2SL
Versus other Rockstone Place homes
On floor area, 10 12 runs well behind the street norm.
EPC Rating
58 (D)
Street avg 64 (D)
Floor Area
44 m²
Street avg 95 m²
CO₂ Emissions
3.6 t/year
Street avg 3.6 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 10 12
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Crime
460/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Law Courts — bus stop.
Closest school
0.2 km
St Anne's Catholic School. 37 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
55.1dB
Night-time· 23:00 – 07:00
44.3dB