Southdown House 436a, Flat 4, Havant Road, Farlington, Portsmouth, PO6 1AB
About Southdown House 436a
Southdown House 436a is a semi-detached house in Farlington, Portsmouth, Portsmouth (PO6 1AB). It has a recorded floor area of 41 m² (around 441 sq ft) and construction records dating it to 1983-1990. At 41 m² this is the 5th smallest of 6 units on EPC record in Southdown House 436a, where floor areas span 38–43 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (April 2012) shows a C (score 74). The latest certificate is from April 2012, so improvements made since then won't be reflected.
At 41 m² it sits well below the postcode median (83 m² across 23 EPCs), making it one of the more compact homes locally.
Everything you need to know about Southdown House 436a
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Energy performance
Southdown House 436a's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Apr 2022
EPC Rating
Certificate validity
Expired on 24 April 2022
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Planning history
Southdown House 436a has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Southdown House 436a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£141,000
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.
Median price across the last 5 sales in PO6 1AB: £380,000 (2026–2024).
Nearby sales in PO6 1AB
Westmark House, Flat 2, 436 Havant Road, Farlington, Portsmouth, PO6 1AB
Sold Jan 2026
£157,000Westmark House, Flat 4, 436 Havant Road, Farlington, Portsmouth, PO6 1AB
Sold Jul 2025
£140,000446 Havant Road, Farlington, Portsmouth, PO6 1AB
Sold Aug 2024
£455,000468 Havant Road, Farlington, Portsmouth, PO6 1AB
Sold Mar 2024
£385,000460 Havant Road, Farlington, Portsmouth, PO6 1AB
Sold Jan 2024
£380,000
Versus other Havant Road homes
On co₂ emissions, Southdown House 436a stands well clear of the street.
EPC Rating
74 (C)
Street avg 71 (C)
Floor Area
41 m²
Street avg 41 m²
CO₂ Emissions
1.3 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about Southdown House 436a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
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The neighbourhood at a glance
Crime
260/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Andrews Church — bus stop.
Closest school
0.7 km
Solent Infant School. 21 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
54.6dB
Night-time· 23:00 – 07:00
45.4dB