10 Cosham Park Avenue, Portsmouth, PO6 3BG
About 10 Cosham Park Avenue
10 Cosham Park Avenue is a three-bedroom semi-detached house in Portsmouth (PO6 3BG). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (March 2014) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2014. Between certificates, wall efficiency went from Poor to Good. The recommended improvements would push it to C (score 80). The latest certificate is from March 2014, so improvements made since then won't be reflected.
At 138 m² the property is well over the postcode median (98 m² across 8 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £335,000 is 36.6% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£165/sq ft) was about 43.5% below the postcode norm. On the market in January 2016 and unlisted since — roughly 10 years.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- GarageYes
Building
- Heating systemGas
- RefurbishedYes
Energy performance
10 Cosham Park Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Mar 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Planning history
10 Cosham Park Avenue has no planning applications on record.
Notable planning nearby
13applications of note in the surrounding area
We flagged 2 things worth checking at 10 Cosham Park Avenue
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
10 Cosham Park Avenue valuation sits well clear of the typical sold price in this postcode.
£335,000
Modelled from EPC, postcode comparables.
£245,249
Recorded with HM Land Registry.
Sales timeline
18 January 2016Most recent
£245,249
Median price across the last 5 sales in PO6 3BG: £325,000 (2025–2018).
Nearby sales in PO6 3BG
12 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Nov 2025
£345,0006 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Jun 2024
£325,0001 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold May 2021
£326,5009 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Jan 2018
£305,00011 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Dec 2009
£190,000
Versus other Cosham Park Avenue homes
Floor Area for 10 Cosham Park Avenue runs comfortably ahead of the street norm.
Price per m²
£1,777
Street avg £3,676
Floor Area
138 m²
Street avg 104 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 5.0 t/year
Similar properties nearby
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1 Cosham Park Avenue
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/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
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
55.6dB

Night-time· 23:00 – 07:00
46.1dB







