Skip to content

9 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 71
Council tax
Band C
Tenure
Owner Occupied
Overview

About 9 Cosham Park Avenue

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

9 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 1900-1929 and council tax band C. The latest certificate (May 2016) shows a C (score 71). The recommended improvements would push it to B (score 84). The latest certificate is from May 2016, so improvements made since then won't be reflected.

On energy efficiency it sits in the top 10% of properties in this postcode. Last sold in January 2018, so it's been off the market for around 8 years. Across 2016–2018, sale prices on this property compounded at 22.4% per year. Today's modelled estimate of £379,000 is 24.3% above the 2018 sale price.

Before you decide

Everything you need to know about 9 Cosham Park Avenue

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearbyRecent ownership pattern worth a look
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

9 Cosham Park Avenue ranks among the most efficient homes in the postcode for energy use.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 18 May 2026

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
3.0 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 9 Cosham Park Avenue, Portsmouth, PO6 3BG, sourced from the PlanIt planning register.

9 Cosham Park Avenue has no planning applications on record.

Notable planning nearby

13applications of note in the surrounding area

Before you offer

We flagged 3 things worth checking at 9 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
  • Recent ownership pattern worth a look
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

9 Cosham Park Avenue changed hands twice within eighteen months — unusual for the area.

Current estimate

£379,000

Modelled from EPC, postcode comparables and a sale-price growth of 22.4% per year over 1 year.

See how we calculated this
Last sold (2018)

£305,000

Growth on file: 22.4% per year over 1 year.

Sales timeline

  1. 17 January 2018Most recent

    £305,000

    +35.0%over 1 year
  2. 25 July 2016

    £226,000

Median price across the last 5 sales in PO6 3BG: £325,000 (2025–2016).

On the street

Versus other Cosham Park Avenue homes

Four headline reads against 8 similar houses on this street, drawn from the latest EPC and Land Registry data.

9 Cosham Park Avenue outperforms the street on epc rating by a wide margin.

Price per m²

£3,144

Street avg £3,402

On par

Floor Area

97 m²

Street avg 110 m²

Below

Habitable Rooms

5 rooms

Street avg 5 rooms

Below

CO₂ Emissions

3.0 t/year

Street avg 5.3 t/year

Strongly above
Before you decide

Everything you need to know about 9 Cosham Park Avenue

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearbyRecent ownership pattern worth a look
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
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

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.

Noise

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 road noise heatmap for PO6 3BG

Daytime· 07:00 – 23:00

55.6dB

Moderate
Night-time road noise heatmap for PO6 3BG

Night-time· 23:00 – 07:00

46.1dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 9 Cosham Park Avenue, Portsmouth, PO6 3BG. Each answer is also embedded as structured data for search engines.