Model valuation£417,0008 Busby Close
Local market context
Railway House, Flat 1, Knowsley Road, Cosham, Portsmouth, PO6 2AB
Property type
Detached
Floor 00
Habitable rooms
2
From EPC
Floor area
52 m²
560 sq ft
Energy rating
C
Score 73
Council tax
Band B
Tenure
Social Rental
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 52 m² (around 560 sq ft), construction records dating it to 2012 onwards and council tax band B. At 52 m² this is the smallest unit on EPC record across Railway House (52–108 m²). The building's EPC ratings span D to B across 20 units on file. The latest certificate (June 2026) shows a C (score 73). Earlier certificates rated it B (March 2015); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
At 52 m² it's 24.1% smaller than the typical home in the postcode (69 m² median across 22 EPCs).
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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.
Current Certificate(1 of 2)
Jun 2026
EPC Rating
A
B
C
C73
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
1.2 t/year
Occupancy
Rented
Certificate validity
Valid until 7 June 2036
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Level 2 HomeBuyer Report
21st centuryGround Floor FlatEPC C
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Planning history
Applications and permits filed against Railway House, Flat 1, 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£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.
Versus other Knowsley Road homes
Four headline reads against 21 similar flats on this street, drawn from the latest EPC and Land Registry data.
On floor area, Railway House runs well behind the street norm.
EPC Rating
73 (C)
Street avg 81 (C)
Floor Area
52 m²
Street avg 66 m²
CO₂ Emissions
1.2 t/year
Street avg 1.2 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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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.
£158k
139 141, Flat 3, Havant Road, Drayton
PO6 2AA
Flat
£160k
139 141, Flat 7, Havant Road, Drayton
PO6 2AA
Flat
£160k
Admirals Place, Flat 6, 50 Havant Road, Cosham
PO6 2QA
Flat2 bed
£161k
139 141, Flat 1, Havant Road, Drayton
PO6 2AA
Flat
£155k
139 141, Flat 5, Havant Road, Drayton
PO6 2AA
Flat
£155k
6 Highbury Buildings, Flat 1, Portsmouth Road, Cosham
PO6 2SN
Flat
£166k
Atkinson Court 118 124, Apartment 1, Havant Road, Cosham
PO6 2HZ
Flat
£168k
Admirals Place, Flat 10, 50 Havant Road, Cosham
PO6 2QA
Flat2 bed2 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 1, Knowsley Road, Cosham, Portsmouth, PO6 2AB. Each answer is also embedded as structured data for search engines.