17 Cowley Close, Southampton, SO16 9WD
About 17 Cowley Close
17 Cowley Close is a one-bedroom semi-detached house in Southampton (SO16 9WD). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1983-1990 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 (November 2022) shows a C (score 72). When first surveyed in March 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Average and window efficiency went from Very Poor to Good. Main heating runs on electricity.
Held since March 2004 — that's 22 years off the open market, well above the local norm. Across 2001–2004, sale prices on this property compounded at 16.7% per year. Today's modelled estimate of £134,000 sits 57.6% above the 2004 sale of £85,000. At 36 m² it sits well below the postcode median (62 m² across 41 EPCs), making it one of the more compact homes locally.
What this property has
Inside
- Bedrooms1
- Dining roomYes
Outside
- ParkingAllocated
Everything you need to know about 17 Cowley Close
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
Single glazing replaced with double or better glazing
Wall insulation upgraded
Roof insulation improved
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
17 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
£134,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.7% per year over 3 years.
£85,000
Growth on file: 16.7% per year over 3 years.
Sales timeline
19 March 2004Most recent
£85,000
+60.5%over 3 years26 February 2001
£52,950
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, 17 Cowley Close runs well behind the street norm.
Price per m²
£2,361
Street avg £3,006
Floor Area
36 m²
Street avg 40 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.2 t/year
Everything you need to know about 17 Cowley Close
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
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