9a, Obelisk Road, Southampton, SO19 9BL
About 9a
9a is a semi-detached house in Southampton (SO19 9BL). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (October 2019) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (January 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 88), a 2-band jump.
Across 1999–2021, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £233,000 is 12.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£378/sq ft) was about 110% above the typical sold price in the postcode. Sold August 2021 for £207,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 5 October 2029
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
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Planning history
9a 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
Sale price has grown by over 3x since 1999.
£233,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 22 years.
£207,500
Growth on file: 6.4% per year over 22 years.
Sales timeline
12 August 2021Most recent
£207,500
+138.5%over 19 years13 September 2001
£87,000
+64.2%over 2 years17 June 1999
£53,000
Median price across the last 5 sales in SO19 9BL: £315,000 (2025–2019).
Nearby sales in SO19 9BL
Versus other Obelisk Road homes
On floor area, 9a runs well behind the street norm.
Price per m²
£4,069
Street avg £2,726
Floor Area
51 m²
Street avg 137 m²
Habitable Rooms
3 rooms
Street avg 6 rooms
CO₂ Emissions
2.2 t/year
Street avg 5.4 t/year
Similar properties nearby
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
0.1 km
Keswick Road — bus stop.
Closest school
0.3 km
Woolston Infant School. 28 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
51.2dB

Night-time· 23:00 – 07:00
40.8dB







