12 Blossom Square, Portsmouth, PO1 3JH
About 12 Blossom Square
12 Blossom Square is an end-of-terrace house in Portsmouth (PO1 3JH). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2023) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2022. Between certificates, wall efficiency went from Poor to Average; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 78).
Across 2003–2023, sale prices on this property compounded at 8.6% per year. Today's modelled estimate of £263,000 is 27.9% below the 2023 sale of £365,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£248/sq ft) was about 88.9% above the typical sold price in the postcode. Last sale on file: £365,000 in June 2023.
Everything you need to know about 12 Blossom Square
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
Certificate validity
Valid until 13 July 2033
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Cavity wall insulation installed
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Planning history
12 Blossom Square has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 12 Blossom Square was the highest on Land Registry record across the postcode.
£263,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.6% per year over 20 years.
£365,000
Growth on file: 8.6% per year over 20 years.
Sales timeline
20 June 2023Most recent
£365,000
+406.9%over 19 years19 October 2003
£72,000
Median price across the last 5 sales in PO1 3JH: £290,000 (2022–2009).
Nearby sales in PO1 3JH
Versus other Blossom Square homes
12 Blossom Square outperforms the street on price per m² by a wide margin.
Price per m²
£2,664
Street avg £1,631
Floor Area
137 m²
Street avg 131 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
4.4 t/year
Street avg 4.4 t/year
Everything you need to know about 12 Blossom Square
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
501/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Curzon Howe Road — bus stop.
Closest school
0.3 km
St George's Beneficial Church of England (Voluntary Controlled) Primary School. 33 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
48.9dB
Night-time· 23:00 – 07:00
41.2dB