Southdown House 436a, Flat 3, Havant Road, Farlington, Portsmouth, PO6 1AB
About Southdown House 436a
Southdown House 436a is a mid-terrace house in Farlington, Portsmouth, Portsmouth (PO6 1AB). It has a recorded floor area of 39 m² (around 420 sq ft) and construction records dating it to 1996-2002. At 39 m² this is the 3rd 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 (November 2018) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (October 2008); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
At 39 m² it sits well below the postcode median (83 m² across 23 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at Southdown House 436a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Southdown House 436a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
Southdown House 436a has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at Southdown House 436a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
Southdown House 436a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£137,000
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: £385,000 (2025–2023).
Nearby sales in PO6 1AB
Westmark 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
£380,000Westmark House, Flat 2, 436 Havant Road, Farlington, Portsmouth, PO6 1AB
Sold Dec 2021
£148,500
Everything we know about Southdown House 436a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
Versus other Havant Road homes
On epc rating, Southdown House 436a stands well clear of the street.
EPC Rating
79 (C)
Street avg 70 (C)
Floor Area
39 m²
Street avg 41 m²
CO₂ Emissions
1.0 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Crime
9/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
The full 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