11 Cowley Close, Southampton, SO16 9WD
About 11 Cowley Close
11 Cowley Close is an end-of-terrace house in Southampton (SO16 9WD). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1991-1995 and council tax band A. At 36 m² this is the smallest unit on EPC record across the building (36–133 m²). The building's EPC ratings span E to B across 42 units on file. The latest certificate (September 2023) shows a C (score 70). The rating has held steady at C across 2 certificates since September 2013. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. Main heating runs on electricity.
At 36 m² it sits well below the postcode median (62 m² across 41 EPCs), making it one of the more compact homes locally. Across 2016–2023, sale prices on this property compounded at 1.5% per year. Today's modelled estimate of £143,000 is 17.2% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 41.6% above the typical sold price in the postcode. Sold August 2023 for £122,000.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
11 Cowley Close has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£143,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.5% per year over 7 years.
£122,000
Growth on file: 1.5% per year over 7 years.
Sales timeline
24 August 2023Most recent
£122,000
+10.9%over 6 years6 October 2016
£110,000
Median price across the last 5 sales in SO16 9WD: £275,000 (2025–2024).
Nearby sales in SO16 9WD
Versus other Cowley Close homes
On floor area, 11 Cowley Close runs well behind the street norm.
Price per m²
£3,389
Street avg £2,938
Floor Area
36 m²
Street avg 40 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.5 t/year
Street avg 2.2 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Green Lane — bus stop.
Closest school
0.2 km
Oasis Academy Lord's Hill. 29 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
52.8dB

Night-time· 23:00 – 07:00
43.6dB







