159a, Obelisk Road, Southampton, SO19 9DN
About 159a
159a is a detached house in Southampton (SO19 9DN). It has a recorded floor area of 52 m² (around 560 sq ft). The latest certificate (March 2017) returns a high B (score 87), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since January 2016. Between certificates, hot-water efficiency went from Average to Good. At 52 m² this is the 11th smallest of 37 units on EPC record in the building, where floor areas span 35–222 m². The building's EPC ratings span E to B, with this unit at the top.
At 52 m² it's 26.2% smaller than the typical home in the postcode (71 m² median across 36 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. On a £-per-square-foot basis, the last sale (£380/sq ft) was about 90.6% above the typical sold price in the postcode. 9 years since the last transfer (May 2017).
Energy performance
159a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 2 March 2027
Property Improvements
Changes detected from historical EPC data
Heating system changed
Connected to mains gas supply
Heating controls changed
Hot water efficiency improved
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Planning history
159a has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
159a valuation sits well clear of the typical sold price in this postcode.
£194,000
Modelled from EPC, postcode comparables.
£212,500
Recorded with HM Land Registry.
Sales timeline
14 May 2017Most recent
£212,500
Median price across the last 5 sales in SO19 9DN: £215,000 (2026–2025).
Nearby sales in SO19 9DN
Alexander Court, Flat 3, 141 Obelisk Road, Southampton, SO19 9DN
Sold Mar 2026
£136,750147 Obelisk Road, Southampton, SO19 9DN
Sold Feb 2026
£150,000115 Obelisk Road, Southampton, SO19 9DN
Sold Nov 2025
£320,000137b, Obelisk Road, Southampton, SO19 9DN
Sold Jul 2025
£215,000165 Obelisk Road, Southampton, SO19 9DN
Sold Jun 2025
£292,500
Versus other Obelisk Road homes
159a outperforms the street on co₂ emissions by a wide margin.
Price per m²
£4,087
Street avg £3,404
Floor Area
52 m²
Street avg 48 m²
CO₂ Emissions
0.5 t/year
Street avg 2.3 t/year
Years Held
9 years
Street avg 9 years
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
493/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
St Annes Road — bus stop.
Closest school
0.3 km
Woolston Infant School. 26 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.1dB

Night-time· 23:00 – 07:00
40.0dB







