Model valuation£417,0008 Busby Close
Local market context
5 Cosham Park Avenue, Portsmouth, PO6 3BG
Property type
Semi-detached
Habitable rooms
5
From EPC
Floor area
97 m²
1044 sq ft
Energy rating
C
Score 70
Council tax
Band C
Tenure
Private Rental
About 5 Cosham Park Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
5 Cosham Park Avenue is a semi-detached house in Portsmouth (PO6 3BG). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (July 2026) shows a C (score 70). When first surveyed in April 2009 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Poor to Good, hot-water efficiency went from Very Poor to Good and main heating went from Poor to Good; while lighting dropped from Average to Poor. The recommended improvements would push it to B (score 82). This certificate was lodged in the last six months, so the rating reflects current condition.
Its energy rating outperforms most of the postcode (better than 78% of similar EPCs).
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Everything you need to know about 5 Cosham Park Avenue
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Signs of HMO activity in the areaLarger development activity nearby
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The data behind every report
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
The EPC has just been inspected, so the rating reflects current condition.
Current Certificate(1 of 3)
Jul 2026
EPC Rating
A
B
C
C70
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.0 t/year
Occupancy
Rented
Certificate validity
Valid until 21 July 2036
Property Improvements
Changes detected from historical EPC data
Aug 2014from Apr 2009
EPC improved fromG15toD68
Heating System
Storage HeatersGas Boiler
Replaced storage heaters with gas boiler
Main Fuel
ElectricGas
Connected to mains gas supply
Heating Controls
ManualFull
Heating controls upgraded for better temperature management
Hot Water
Immersion (Off-Peak)Main System
Hot water system upgraded
Windows
Partial DoubleFull Double
Windows upgraded, improving insulation
Wall Insulation
UninsulatedInsulated Cavity
Cavity wall insulation installed
Low Energy Lighting
27%100%
More low energy lighting installed
Jul 2026from Aug 2014
EPC improved fromD68toC70
Low Energy Lighting
100%80%
Low energy lighting percentage decreased
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Early 20th centuryEnd-Terrace HouseEPC C
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Planning history
Applications and permits filed against 5 Cosham Park Avenue, Portsmouth, PO6 3BG, sourced from the PlanIt planning register.
5 Cosham Park Avenue has no planning applications on record.
13
But the area is active
13 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
5 Cosham Park Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£279,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in PO6 3BG: £326,500 (2025–2021).
Nearby sales in PO6 3BG
4 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Nov 2025
£310,00012 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Nov 2025
£345,0001 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Jul 2025
£370,0006 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Jun 2024
£325,0009 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Jan 2018
£305,000
Versus other Cosham Park Avenue homes
Four headline reads against 9 similar houses on this street, drawn from the latest EPC and Land Registry data.
5 Cosham Park Avenue outperforms the street on co₂ emissions by a wide margin.
EPC Rating
70 (C)
Street avg 60 (D)
Floor Area
97 m²
Street avg 106 m²
CO₂ Emissions
3.0 t/year
Street avg 4.7 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
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Start your researchSimilar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Portsmouth district page.
Rail-style transport is unusually close for this postcode.
Crime
260/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
High Street — bus stop.
Closest school
0.5 km
Court Lane Infant Academy. 26 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
Modelled day and night-time noise levels around PO6 3BG from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
55.6dB
Night-time· 23:00 – 07:00
46.1dB
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4Common questions
The questions buyers, sellers and homeowners most often ask about 5 Cosham Park Avenue, Portsmouth, PO6 3BG. Each answer is also embedded as structured data for search engines.