8a, Castleshaw Close, Southampton, SO16 4QP
About 8a
8a is a one-bedroom semi-detached house in Southampton (SO16 4QP). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (July 2026) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since February 2011. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good; while roof efficiency dropped from Good to Average and lighting dropped from Very Good to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
Across 2000–2012, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £134,000 sits 65.9% above the 2012 sale of £80,750. On a £-per-square-foot basis, the last sale (£174/sq ft) was about 22.1% below the postcode norm. At 43 m² it sits well below the postcode median (66 m² across 6 EPCs), making it one of the more compact homes locally. Last changed hands 14 years ago, in June 2012.
What this property has
Inside
- Bedrooms1
Outside
- Private gardenYes
Building
- Heating systemGas
Energy performance
8a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 1 July 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
High performance glazing installed
Roof insulation improved
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Level 2 HomeBuyer Report
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Planning history
8a has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2000.
£134,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 12 years.
£80,750
Growth on file: 6.2% per year over 12 years.
Sales timeline
26 June 2012Most recent
£80,750
+101.9%over 11 years21 September 2000
£40,000
Median price across the last 5 sales in SO16 4QP: £228,000 (2025–1997).
Versus other Castleshaw Close homes
EPC Rating for 8a runs comfortably ahead of the street norm.
EPC Rating
76 (C)
Street avg 69 (C)
Floor Area
43 m²
Street avg 40 m²
CO₂ Emissions
1.2 t/year
Street avg 1.2 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
536/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Cotswold Road — bus stop.
Closest school
0.2 km
Tanners Brook Primary School. 28 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
55.5dB

Night-time· 23:00 – 07:00
46.9dB







