18 Alderney Close, Southampton, SO16 9QA
About 18 Alderney Close
18 Alderney Close is a mid-terrace house in Southampton (SO16 9QA). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (April 2019) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.
At 66 m² it's 15.4% smaller than the typical home in the postcode (78 m² median across 15 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
18 Alderney 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
18 Alderney Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£231,000
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 5 sales in SO16 9QA: £195,000 (2025–2015).
Nearby sales in SO16 9QA
11 Alderney Close, Southampton, SO16 9QA
Sold Oct 2025
£245,00026 Alderney Close, Southampton, SO16 9QA
Sold Jan 2022
£195,00015 Alderney Close, Southampton, SO16 9QA
Sold Dec 2020
£195,0008 Alderney Close, Southampton, SO16 9QA
Sold Nov 2015
£155,00016 Alderney Close, Southampton, SO16 9QA
Sold May 2015
£165,000
Versus other Alderney Close homes
On floor area, 18 Alderney Close runs well behind the street norm.
EPC Rating
63 (D)
Street avg 64 (D)
Floor Area
66 m²
Street avg 78 m²
CO₂ Emissions
3.0 t/year
Street avg 3.5 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Guernsey Close — bus stop.
Closest school
0.3 km
Fairisle Infant and Nursery School. 24 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
53.2dB

Night-time· 23:00 – 07:00
44.0dB







