27 Great Southsea Street, Southsea, PO5 3BY
About 27 Great Southsea Street
27 Great Southsea Street is a three-bedroom detached house in Southsea (PO5 3BY). It has a recorded floor area of 166 m² (around 1787 sq ft), construction records dating it to before 1900 and council tax band F. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. The latest certificate (April 2024) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in September 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 82), a 2-band jump.
At 166 m² the property is well over the postcode median (110 m² across 28 EPCs), placing it in the larger end of the local stock. Across 2001–2017, sale prices on this property compounded at 5.4% per year. Today's modelled estimate of £642,000 is 29.7% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£277/sq ft) was about 49.6% above the typical sold price in the postcode. Last changed hands 9 years ago, in September 2017. 8 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 27 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
- Bedrooms3
- Bathrooms2
- Dining roomYes
- Utility roomYes
- StudyYes
Outside
- Private gardenwrap_around
- DrivewayYes
Building
- Listed buildingYes
- RefurbishedYes
Energy performance
27 Great Southsea Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
Planning history
Planning history at 27 Great Southsea Street is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
- Sept 2022Tree WorksTreesIn report
Within Tree Preservation Order 51: 2m crown reduction to Common Lime (Tilia x europaea) (T20, T21,T23)
- Agent
- Sycamore Tree Surgeons
- Documents
- 2 docs on file
- Reference
- 22/01056/TPO
- Apr 2020Tree WorksTreesIn report
Within Tree Preservation Order 51 crown reduce by 3m, 3 limes (Tilia) (T20, T21 & T23)
- Agent
- FAO Mr David Farrington
- Documents
- 4 docs on file
- Reference
- 20/00238/TPO
We flagged 2 things worth checking at 27 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
Sale price has at least doubled since 2001.
£642,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 16 years.
£495,000
Growth on file: 5.4% per year over 16 years.
Sales timeline
19 September 2017Most recent
£495,000
+15.8%over 3 years6 December 2013
£427,500
+103.6%over 12 years22 May 2001
£210,000
Median price across the last 5 sales in PO5 3BY: £480,000 (2025–2023).
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
£480,00011 Great Southsea Street, Southsea, PO5 3BY
Sold Jul 2023
£491,900
Everything we know about 27 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
Floor Area for 27 Great Southsea Street runs comfortably ahead of the street norm.
Price per m²
£2,982
Street avg £2,708
Floor Area
166 m²
Street avg 113 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
6.6 t/year
Street avg 4.2 t/year
Similar properties nearby
1 Garden Lane
PO5 3DP
1 Great Southsea Street
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1 Bayfields, Shaftesbury Road
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1 Glebe Court, 1 Grove Road South
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1 Castle Close
PO5 3EB
1 Netley Place
PO5 3NG
1 Brankesmere Terrace, Queens Crescent
PO5 3HT
1 Palmerston Mansions, Palmerston Road
PO5 3QJ
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