12 Castle Close, Southsea, PO5 3EB
About 12 Castle Close
12 Castle Close is a four-bedroom mid-terrace house in Southsea (PO5 3EB). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (November 2019) shows a C (score 72). When first surveyed in August 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 86).
Untraded for 25 years, with the last transfer in April 2001. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £313,000 sits 201% above the 2001 sale of £104,000. On a £-per-square-foot basis, the last sale (£111/sq ft) was about 26.2% below the postcode norm.
Know exactly what you're buying at 12 Castle Close
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
Building
- Heating systemgas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
Planning history
12 Castle Close has no planning applications on record.
Notable planning nearby
15applications of note in the surrounding area
We flagged 2 things worth checking at 12 Castle Close
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
12 Castle Close's estimated value is more than triple its earliest registered sale price (2001).
£313,000
Modelled from EPC, postcode comparables.
£104,000
Recorded with HM Land Registry.
Sales timeline
25 April 2001Most recent
£104,000
Median price across the last 5 sales in PO5 3EB: £235,000 (2017–2008).
Everything we know about 12 Castle Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Castle Close homes
Price per m² for 12 Castle Close lags the street by a wide margin.
Price per m²
£1,195
Street avg £2,495
Floor Area
87 m²
Street avg 100 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.6 t/year
Street avg 4.1 t/year
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1 Palmerston Mansions, Palmerston Road
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1 Bayfields, Shaftesbury Road
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The neighbourhood at a glance
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Green Road — bus stop.
Closest school
0.2 km
Cottage Grove Primary School and Nursery. 29 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
54.2dB

Night-time· 23:00 – 07:00
43.1dB