Model valuation£417,0008 Busby Close
Local market context
Flat 1, 101 High Street, Cosham, Portsmouth, PO6 3AZ
Property type
End terrace
Floor 1st
Habitable rooms
3
From EPC
Floor area
49 m²
527 sq ft
Energy rating
D
Score 65
Tenure
Owner Occupied
About Flat 1
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Flat 1 is an end-of-terrace house in Cosham, Portsmouth, Portsmouth (PO6 3AZ). It has a recorded floor area of 49 m² (around 527 sq ft) and construction records dating it to 1900-1929. The latest certificate (August 2018) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in July 2018 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and lighting went from Average to Very Good. Main heating runs on electricity.
On the market in July 2015 and unlisted since — roughly 11 years. Today's modelled estimate of £135,000 is 35% above the 2015 sale price.
Before you decide
Everything you need to know about Flat 1
The true value, the hidden risks and the full sale history, in one report.
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.
Current Certificate(1 of 2)
Aug 2018
EPC Rating
A
B
C
D
D65
E
F
G
Main Heating
Electric & Gas
Main Fuel
Electric
Hot Water
Very Poor
Windows
Good
CO2 Emissions
3.5 t/year
Occupancy
Owner Occupied
Certificate validity
Valid until 12 August 2028
Property Improvements
Changes detected from historical EPC data
Aug 2018from Jul 2018
EPC improved fromF31toD65
Heating Controls
ThermostatProg + TRVs
Heating controls upgraded for better temperature management
Hot Water
Main (No Stat)Main System
Hot water system upgraded
Windows
AverageGood
Window efficiency improved
Roof Insulation
UninsulatedWell Insulated
Loft insulation installed or upgraded to 250mm+
Low Energy Lighting
33%100%
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Victorian-era1st Floor FlatEPC DPre-1919 buildNo mains gas
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Applications and permits filed against Flat 1, 101 High Street, Cosham, Portsmouth, PO6 3AZ, sourced from the PlanIt planning register.
Flat 1 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.
Flat 1 valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£135,000
Modelled from EPC, postcode comparables.
Last sold (2015)
£100,000
Recorded with HM Land Registry.
Sales timeline
18 July 2015Most recent
£100,000
Median price across the last 5 sales in PO6 3AZ: £120,000 (2025–2019).
Nearby sales in PO6 3AZ
75 High Street, Cosham, Portsmouth, PO6 3AZ
Sold Apr 2025
£85,00085a, High Street, Cosham, Portsmouth, PO6 3AZ
Sold Oct 2023
£115,00091a, High Street, Cosham, Portsmouth, PO6 3AZ
Sold Apr 2022
£120,000101b, High Street, Cosham, Portsmouth, PO6 3AZ
Sold Sept 2021
£225,00087 High Street, Cosham, Portsmouth, PO6 3AZ
Sold Sept 2019
£217,000
Versus other High Street homes
Four headline reads against 13 similar flats on this street, drawn from the latest EPC and Land Registry data.
On floor area, Flat 1 runs well behind the street norm.
Price per m²
£2,041
Street avg £2,456
Floor Area
49 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.2 t/year
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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.
£136k
48f, Flat 4, High Street, Cosham
PO6 3AG
Flat
£139k
82a, Flat 2, High Street, Cosham
PO6 3AJ
Flat
£126k
Arthur Dann Court, Flat 17, Gurnard Road
PO6 3HW
Flat
£126k
Arthur Dann Court, Flat 18, Gurnard Road
PO6 3HW
Flat
£126k
Arthur Dann Court, Flat 19, Gurnard Road
PO6 3HW
Flat
£126k
Arthur Dann Court, Flat 20, Gurnard Road
PO6 3HW
Flat
£126k
Arthur Dann Court, Flat 21, Gurnard Road
PO6 3HW
Flat
£145k
48f, Flat 1, High Street, Cosham
PO6 3AG
Flat
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
0.0 km
High Street — bus stop.
Closest school
0.5 km
Court Lane Infant Academy. 25 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 3AZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
55.5dB
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 Flat 1, 101 High Street, Cosham, Portsmouth, PO6 3AZ. Each answer is also embedded as structured data for search engines.