1 First Avenue, Cosham, Portsmouth, PO6 3JH
About 1 First Avenue
1 First Avenue is a semi-detached house in Cosham, Portsmouth, Portsmouth (PO6 3JH). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (December 2013) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since September 2013. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from December 2013, so improvements made since then won't be reflected.
It hasn't traded since December 2003, a hold of 23 years that's notably long for the area. Today's modelled estimate of £276,000 sits 176% above the 2003 sale of £100,000. On a £-per-square-foot basis, the last sale (£97/sq ft) was about 42.9% below the postcode norm. At 96 m² it's 17.8% larger than the typical home in the postcode (82 m² median across 20 EPCs). One historical planning record sits against the property in 2005.
Everything you need to know about 1 First Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Dec 2023
EPC Rating
Certificate validity
Expired on 9 December 2023
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £545 · Includes VAT
Planning history
1 application on record at 1 First Avenue, Cosham, Portsmouth, PO6 3JH
- Apr 2005PorchFullOutcome in report
Extension: Single storey · Rear of property
CONSTRUCTION OF SINGLE STOREY EXTENSION TO REAR ELEVATION AND PORCH TO FRONT ELEVATION
Extension- Documents
- 6 docs on file
- Reference
- A*39021/AA
Unlock 1 First Avenue, Cosham, Portsmouth, PO6 3JH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 13 notable nearby
- The 6 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
1 First Avenue valuation sits well clear of the typical sold price in this postcode.
£276,000
Modelled from EPC, postcode comparables.
£100,000
Recorded with HM Land Registry.
Sales timeline
19 December 2003Most recent
£100,000
Median price across the last 5 sales in PO6 3JH: £300,000 (2026–2018).
Nearby sales in PO6 3JH
22 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Feb 2026
£303,00020 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Nov 2022
£313,5007 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Jul 2022
£300,0002 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Dec 2020
£259,0009 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Sept 2018
£270,000
Versus other First Avenue homes
On price per m², 1 First Avenue runs well behind the street norm.
Price per m²
£1,042
Street avg £2,567
Floor Area
96 m²
Street avg 82 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 3.1 t/year
Everything you need to know about 1 First Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

Similar properties nearby
The neighbourhood at a glance
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
First Avenue — bus stop.
Closest school
0.3 km
Portsdown Primary School. 22 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

Daytime· 07:00 – 23:00
55.4dB

Night-time· 23:00 – 07:00
45.9dB






