11 Great Southsea Street, Southsea, PO5 3BY
About 11 Great Southsea Street
11 Great Southsea Street is a four-bedroom mid-terrace house in Southsea (PO5 3BY). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (May 2022) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2009. Between certificates, roof efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
At 129 m² it's 17.3% larger than the typical home in the postcode (110 m² median across 28 EPCs). Across 2009–2023, sale prices on this property compounded at 3.4% per year. On a £-per-square-foot basis, the last sale (£354/sq ft) was about 91.3% above the typical sold price in the postcode. Last sale on file: £491,900 in July 2023.
Know exactly what you're buying at 11 Great Southsea Street
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
- Bathrooms2
- Dining roomYes
- Utility roomYes
- FireplaceYes
Outside
- Private gardenrear
- Garagesingle
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Planning history
11 Great Southsea Street has no planning applications on record.
Notable planning nearby
15applications of note in the surrounding area
We flagged 2 things worth checking at 11 Great Southsea Street
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
11 Great Southsea Street valuation sits well clear of the typical sold price in this postcode.
£522,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 14 years.
£491,900
Growth on file: 3.4% per year over 14 years.
Sales timeline
4 July 2023Most recent
£491,900
+57.4%over 13 years16 November 2009
£312,500
Median price across the last 5 sales in PO5 3BY: £468,000 (2025–2022).
Nearby sales in PO5 3BY
25 Great Southsea Street, Southsea, PO5 3BY
Sold Jul 2025
£520,00023 Great Southsea Street, Southsea, PO5 3BY
Sold May 2025
£280,00013 Great Southsea Street, Southsea, PO5 3BY
Sold Oct 2023
£468,00058 Great Southsea Street, Southsea, PO5 3BY
Sold Aug 2023
£480,00052 Great Southsea Street, Southsea, PO5 3BY
Sold Mar 2022
£310,000
Everything we know about 11 Great Southsea Street, 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 Great Southsea Street homes
11 Great Southsea Street is notably below the street on years held.
Price per m²
£3,813
Street avg £2,676
Floor Area
129 m²
Street avg 114 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 4.3 t/year
Similar properties nearby
1 Chapel Street
PO5 3RR
1 Brankesmere Terrace, Queens Crescent
PO5 3HT
1 Great Southsea Street
PO5 3BY
1 Garden Lane
PO5 3DP
1 Bayfields, Shaftesbury Road
PO5 3PJ
1 Glebe Court, 1 Grove Road South
PO5 3TH
1 Castle Close
PO5 3EB
1 Netley Place
PO5 3NG
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
0.1 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
54.1dB

Night-time· 23:00 – 07:00
43.5dB