Southdown House 436a, Flat 6, Havant Road, Farlington, Portsmouth, PO6 1AB
About Southdown House 436a
Southdown House 436a is an end-of-terrace house in Farlington, Portsmouth, Portsmouth (PO6 1AB). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 2003-2006. At 43 m² this is the largest unit on EPC record across Southdown House 436a (38–43 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (80 versus a worst of 64). The latest certificate (March 2020) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since July 2009. Between certificates, roof efficiency went from Average to Good, window efficiency went from Poor to Good and lighting went from Very Poor to Very Good.
At 43 m² it sits well below the postcode median (83 m² across 23 EPCs), making it one of the more compact homes locally.
Energy performance
Southdown House 436a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 3 March 2030
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £495 · Includes VAT
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.
£146,000
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 epc rating, Southdown House 436a stands well clear of the street.
EPC Rating
80 (C)
Street avg 70 (C)
Floor Area
43 m²
Street avg 41 m²
CO₂ Emissions
0.9 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
Berdonna Court, Flat 3, 2 Copper Beech Drive
PO6 1AZ
Berdonna Court, Flat 7, 2 Copper Beech Drive
PO6 1AZ
Churchill Court, Flat 8, 1 Broad Gardens
PO6 1JG
Churchill Court, Flat 2, 1 Broad Gardens
PO6 1JG
Churchill Court, Flat 3, 1 Broad Gardens
PO6 1JG
Churchill Court, Flat 1, 1 Broad Gardens
PO6 1JG
Churchill Court, Flat 4, 1 Broad Gardens
PO6 1JG
Churchill Court, Flat 5, 1 Broad Gardens
PO6 1JG
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







