11a, Cromwell Road, Southampton, SO15 2JH
About 11a
11a is a semi-detached house in Southampton (SO15 2JH). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1900-1929 and council tax band A. At 58 m² this is the smallest unit on EPC record across the building (58–124 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (73 versus a worst of 55). The latest certificate (September 2024) shows a C (score 73). When first surveyed in October 2008 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good.
At 58 m² it sits well below the postcode median (103 m² across 7 EPCs), making it one of the more compact homes locally. Across 2010–2021, sale prices on this property compounded at 4.8% per year. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 59.3% above the typical sold price in the postcode. Most recent transfer: June 2021 at £149,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 11a
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Heating controls changed
Heating controls upgraded for better temperature management
Cavity wall insulation installed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
11a has no planning applications on record.
But the area is active
72 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£154,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 11 years.
£149,000
Growth on file: 4.8% per year over 11 years.
Sales timeline
3 June 2021Most recent
£149,000
+33.9%over 8 years16 July 2012
£111,250
+21.9%over 1 year18 November 2010
£91,250
Median price across the last 5 sales in SO15 2JH: £249,000 (2021–2012).
Nearby sales in SO15 2JH
Versus other Cromwell Road homes
Price per m² for 11a runs comfortably ahead of the street norm.
Price per m²
£2,569
Street avg £1,838
Floor Area
58 m²
Street avg 67 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.9 t/year
Everything you need to know about 11a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
St Annes Gate — bus stop.
Closest school
0.1 km
St Anne's Catholic School. 34 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
53.5dB
Night-time· 23:00 – 07:00
42.2dB