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Get started31 Margam Avenue is a three-bedroom semi-detached house in Southampton (SO19 2QL). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (June 2016) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump.
Held since January 1995 — that's 31 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £297,000 sits 545.7% above the 1995 sale of £46,000. On a £-per-square-foot basis, the last sale (£60/sq ft) was about 68.8% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an annexe and an extension, meaningful when judging how the property has evolved. At 71 m² it's 22.8% smaller than the typical home in the postcode (92 m² median across 9 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
31 Margam Avenue has an approved rear extension on the planning record.
Erection of a replacement outbuilding for use as a residential annex.
Latest sale on 31 Margam Avenue was the lowest on Land Registry record across the postcode.
£297,000
Modelled from EPC, postcode comparables.
£46,000
Recorded with HM Land Registry.
On price per m², 31 Margam Avenue runs well behind the street norm.
Price per m²
£648
Street avg £3,449
Floor Area
71 m²
Street avg 93 m²
Habitable Rooms
5 rooms
Crime
12/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heath Road — bus stop.

Daytime· 07:00 – 23:00
50.1dB

Extension: Rear of property
Application for a lawful development certificate for a proposed single storey rear extension
12 January 1995Most recent
£46,000
Median price across the last 5 sales in SO19 2QL: £361,000 (2025–2015).
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.5 t/year
SO19 2HZ
Closest school
0.2 km
Sholing Junior School. 34 schools nearby.
Night-time· 23:00 – 07:00
38.8dB
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