12a, Garden Lane, Southsea, PO5 3DP
About 12a
12a is a semi-detached house in Southsea (PO5 3DP). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (October 2015) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump. The latest certificate is from October 2015, so improvements made since then won't be reflected.
It hasn't traded since June 1995, a hold of 31 years that's notably long for the area. 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 £429,000 sits 260.5% above the 1995 sale of £119,000. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 66.1% below the postcode norm. At 107 m² it's 16.7% smaller than the typical home in the postcode (129 m² median across 8 EPCs).
Know exactly what you're buying at 12a
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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 15 Oct 2025
EPC Rating
Planning history
12a has no planning applications on record.
Notable planning nearby
15applications of note in the surrounding area
We flagged 2 things worth checking at 12a
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
12a's estimated value is more than triple its earliest registered sale price (1995).
£429,000
Modelled from EPC, postcode comparables.
£119,000
Recorded with HM Land Registry.
Sales timeline
8 June 1995Most recent
£119,000
Median price across the last 5 sales in PO5 3DP: £650,000 (2023–2015).
Everything we know about 12a, 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 Garden Lane homes
12a is notably below the street on price per m².
Price per m²
£1,112
Street avg £3,854
Floor Area
107 m²
Street avg 156 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.3 t/year
Street avg 5.5 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Green Road — bus stop.
Closest school
0.4 km
Cottage Grove Primary School and Nursery. 28 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
53.7dB
Night-time· 23:00 – 07:00
42.8dB