1 Margam Avenue, Southampton, SO19 2QL

1 Margam Avenue is a four-bedroom detached house in Southampton (SO19 2QL). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (April 2026) shows a C (score 72). When first surveyed in March 2023 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good and roof efficiency went from Good to Very Good; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory and outbuildings.

At 133 m² the property is well over the postcode median (92 m² across 11 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 82% of similar EPCs). 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2002–2024, sale prices on this property compounded at 5% per year. On a £-per-square-foot basis, the last sale (£279/sq ft) was about 53.3% above the typical sold price in the postcode. Sold January 2024 for £400,000.