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Get started21 Obelisk Road is a three-bedroom semi-detached house in Southampton (SO19 9BL). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2025) shows a C (score 73). When first surveyed in February 2014 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Very Good and lighting went from Poor to Good; while window efficiency dropped from Good to Average. Period features are noted in the property record.
Sale prices here have outpaced Southampton HPI: 4.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£214/sq ft) was about 19.7% above the typical sold price in the postcode. It changed hands recently, sold October 2025 for £315,000. At 137 m² it's 25.7% larger than the typical home in the postcode (109 m² median across 15 EPCs). Its energy rating outperforms most of the postcode (better than 73% of similar EPCs).
21 Obelisk Road has more than tripled in price since its earliest registered sale in 1997.
£330,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 28 years.
£315,000
Growth on file: 4.8% per year over 28 years.
On years held, 21 Obelisk Road runs well behind the street norm.
Price per m²
£2,299
Street avg £2,903
Floor Area
137 m²
Street avg 131 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Keswick Road — bus stop.

Daytime· 07:00 – 23:00
51.2dB

Changes detected from historical EPC data
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
31 October 2025Most recent
£315,000
+275.0%over 28 years3 October 1997
£84,000
Median price across the last 5 sales in SO19 9BL: £250,000 (2024–2019).
CO₂ Emissions
3.5 t/year
Street avg 5.4 t/year
SO19 9UH
Closest school
0.3 km
Woolston Infant School. 28 schools nearby.
Night-time· 23:00 – 07:00
40.8dB
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