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Get started89a, High Street, Cosham, Portsmouth, PO6 3AZ
About 89a
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
89a is a mid-terrace house in Cosham, Portsmouth, Portsmouth (PO6 3AZ). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1930-1949 and council tax band A. At 68 m² this is the 11th smallest of 13 units on EPC record in the building, where floor areas span 32–84 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (October 2020) shows a C (score 71). When first surveyed in March 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good.
At 68 m² it's 23.6% larger than the typical home in the postcode (55 m² median across 12 EPCs). Its energy rating outperforms most of the postcode (better than 75% of similar EPCs).
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Oct 2020
EPC Rating
A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.3 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
89a 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£158,000
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.
Launch offer · 33% off
The complete analysis of 89a, High Street, Cosham, Portsmouth, PO6 3AZ
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
Versus other High Street homes
Four headline reads against 12 similar flats on this street, drawn from the latest EPC and Land Registry data.
89a outperforms the street on epc rating by a wide margin.
EPC Rating
71 (C)
Street avg 62 (D)
Floor Area
68 m²
Street avg 57 m²
CO₂ Emissions
2.3 t/year
Similar 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
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
High Street — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around PO6 3AZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
55.5dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 55 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 89a, High Street, Cosham, Portsmouth, PO6 3AZ. Each answer is also embedded as structured data for search engines.
