21 Norfolk Street, Southsea, PO5 4DR
About 21 Norfolk Street
21 Norfolk Street is a three-bedroom mid-terrace house in Southsea (PO5 4DR). It has a recorded floor area of 121 m² (around 1302 sq ft) and construction records dating it to 2024. The latest certificate (August 2024) shows a C (score 79), near the top of the C band. When first surveyed in May 2022 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Average to Very Good and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 83). Period features are noted in the property record.
At 121 m² the property is well over the postcode median (75 m² across 21 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold February 2025 for £535,000. Across 2023–2025, sale prices on this property compounded at 27.2% per year. On a £-per-square-foot basis, the last sale (£411/sq ft) was about 189.7% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 21 Norfolk 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
- CloakroomYes
Building
- Heating systemgas
- Period featuresYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
High performance glazing installed
Cavity wall insulation installed
Floor insulation added or improved
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Dec 2023SubdivisionFullIn report
Conversion of 2no. apartments to 1 no. dwelling including changes to fenestration.
- Agent
- Carl Architect Ltd
- Documents
- 12 docs on file
- Reference
- 23/00586/FUL
- Sept 2015Change of UseFullIn report
Change of use from retail hair dressing salon (Class A1) to apartment (Class C3)
- Agent
- FAO Mr Martin Herbert
- Documents
- 6 docs on file
- Reference
- 15/00930/FUL
We flagged 2 things worth checking at 21 Norfolk 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
30-day money-back guarantee
Sales history & valuation
21 Norfolk Street valuation sits well clear of the typical sold price in this postcode.
£525,000
Modelled from EPC, postcode comparables and a sale-price growth of 27.2% per year over 2 years.
£535,000
Growth on file: 27.2% per year over 2 years.
Sales timeline
14 February 2025Most recent
£535,000
+66.1%over 2 years4 January 2023
£322,000
Median price across the last 5 sales in PO5 4DR: £525,000 (2025–2022).
Nearby sales in PO5 4DR
Everything we know about 21 Norfolk 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 Norfolk Street homes
21 Norfolk Street outperforms the street on price per m² by a wide margin.
Price per m²
£4,421
Street avg £1,112
Floor Area
121 m²
Street avg 158 m²
CO₂ Emissions
2.4 t/year
Street avg 7.3 t/year
Years Held
1 years
Street avg 19 years
Similar properties nearby
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1 Norfolk Street
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1 Peel Place
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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
0.3 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
55.0dB
Night-time· 23:00 – 07:00
44.4dB