Westmark House, Flat 5, 436 Havant Road, Farlington, Portsmouth, PO6 1AB
About Westmark House
Westmark House is a one-bedroom end-of-terrace house in Farlington, Portsmouth, Portsmouth (PO6 1AB). It has a recorded floor area of 39 m² (around 416 sq ft) and construction records dating it to 1983-1990. Tenure is freehold. At 39 m² this is the 2nd smallest of 5 units on EPC record in Westmark House, where floor areas span 38–47 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2008) shows a C (score 74). The latest certificate is from October 2008, so improvements made since then won't be reflected.
It hasn't traded since June 2001, a hold of 25 years that's notably long for the area. Across 1999–2001, sale prices on this property compounded at 12% per year. Today's modelled estimate of £133,000 sits 131.3% above the 2001 sale of £57,500. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 44% below the postcode norm. 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 Westmark House
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
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Private gardenYes
- ParkingAllocated
Building
- TenureFreehold
Energy performance
Westmark House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 15 Oct 2018
EPC Rating
Planning history
Westmark House has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at Westmark House
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
Westmark House valuation runs notably under the typical sold price in this postcode.
£133,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.0% per year over 2 years.
£57,500
Growth on file: 12.0% per year over 2 years.
Sales timeline
28 June 2001Most recent
£57,500
+22.3%over 1 year15 September 1999
£47,000
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 Westmark House, 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 price per m², Westmark House runs well behind the street norm.
Price per m²
£1,489
Street avg £3,087
Floor Area
39 m²
Street avg 41 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.8 t/year
Street avg 1.7 t/year
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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