Model valuation£417,0008 Busby Close
Local market context
Railway House, Flat 18, Knowsley Road, Cosham, Portsmouth, PO6 2AB
EPC B
Property type
Detached
Floor top floor
Floor area
73 m²
786 sq ft
Energy rating
B
Score 83
Council tax
Band C
About Railway House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Railway House is a detached house in Cosham, Portsmouth, Portsmouth (PO6 2AB). It has a recorded floor area of 73 m² (around 786 sq ft) and council tax band C. The latest certificate (March 2015) returns a B (score 83), comfortably above the UK average. The latest certificate is from March 2015, so improvements made since then won't be reflected. At 73 m² this is the 15th smallest of 20 units on EPC record in Railway House, where floor areas span 52–108 m². The building's EPC ratings span D to B, with this unit at the top.
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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.
Railway House's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Mar 2025
Current Certificate
Mar 2015EPC Rating
A
B
B83
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Good
CO2 Emissions
1.1 t/year
Occupancy
—
Certificate validity
Expired on 19 March 2025
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Top Floor FlatEPC B
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Planning history
Applications and permits filed against Railway House, Flat 18, Knowsley Road, Cosham, Portsmouth, PO6 2AB, sourced from the PlanIt planning register.
Railway House has no planning applications on record.
8
But the area is active
8 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.
Railway House 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£197,000
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.
Versus other Knowsley Road homes
Three headline reads against 21 similar flats on this street, drawn from the latest EPC and Land Registry data.
Railway House outperforms the street on floor area by a wide margin.
EPC Rating
83 (B)
Street avg 80 (C)
Floor Area
73 m²
Street avg 65 m²
CO₂ Emissions
1.1 t/year
Street avg 1.2 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.
£196k
129a, Flat 4, Havant Road, Drayton
PO6 2AA
Flat
£195k
129a, Flat 3, Havant Road, Drayton
PO6 2AA
Flat
£193k
139 141, Flat 2, Havant Road, Drayton
PO6 2AA
Flat
£191k
139 141, Flat 6, Havant Road, Drayton
PO6 2AA
Flat
£189k
5 Highbury Buildings, Flat 2, Portsmouth Road, Cosham
PO6 2SN
Flat
£189k
Admirals Place, Flat 4, 50 Havant Road, Cosham
PO6 2QA
Flat2 bed1 bath
£182k
Admirals Place, Flat 2, 50 Havant Road, Cosham
PO6 2QA
Flat2 bed1 bath
£179k
Admirals Place, Flat 7, 50 Havant Road, Cosham
PO6 2QA
Flat2 bed1 bath
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
0.6 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 2AB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
56.1dB
Night-time· 23:00 – 07:00
46.6dB
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 Railway House, Flat 18, Knowsley Road, Cosham, Portsmouth, PO6 2AB. Each answer is also embedded as structured data for search engines.