Westmark House, Flat 1, 436 Havant Road, Farlington, Portsmouth, PO6 1AB

Westmark House is a one-bedroom detached house in Farlington, Portsmouth, Portsmouth (PO6 1AB). It has a recorded floor area of 38 m² (around 409 sq ft) and construction records dating it to 1900-1929. At 38 m² this is the smallest unit on EPC record across Westmark House (38–47 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (58 versus a best of 76). The latest certificate (July 2020) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 6 certificates since November 2008. Between certificates, window efficiency went from Very Poor to Average; while lighting dropped from Good to Average. The recommended improvements would push it to C (score 73).

Held since September 2004 — that's 22 years off the open market, well above the local norm. At 38 m² it sits well below the postcode median (83 m² across 23 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £130,000 is 28.7% above the 2004 sale price.