183a, London Road, Portsmouth, PO2 9AE

183a is a one-bedroom end-of-terrace house in Portsmouth (PO2 9AE). It has a recorded floor area of 34 m² (around 366 sq ft) and construction records dating it to 1900-1929. The latest certificate (July 2026) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 3 certificates since January 2013. Between certificates, lighting went from Poor to Good; while window efficiency dropped from Good to Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 34 m² this is the 4th smallest of 28 units on EPC record in the building, where floor areas span 25–111 m². The building's EPC ratings span F to B across 28 units on file. Our model identifies extension potential, subject to local planning policy.

It changed hands recently, sold October 2025 for £100,000. At 34 m² it sits well below the postcode median (57 m² across 27 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). Across 1999–2025, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £120,000 is 20% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£273/sq ft) was about 89.5% above the typical sold price in the postcode.