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Get startedIona is a detached house in Fawley, Southampton, Southampton (SO45 1ED). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2022) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2012); the latest reading is one band lower. Between certificates, roof efficiency went from Poor to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 75), a 2-band jump.
Sale prices here have outpaced Southampton HPI: 8.8% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£352/sq ft) was about 74.1% above the typical sold price in the postcode. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Sold September 2022 for £352,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Iona sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Sale price has at least doubled since 2013.
£354,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 10 years.
£352,000
Growth on file: 8.8% per year over 10 years.
On epc rating, Iona runs well behind the street norm.
Price per m²
£3,785
Street avg £2,611
Floor Area
93 m²
Street avg 115 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km

Daytime· 07:00 – 23:00
47.4dB

Changes detected from historical EPC data
Roof insulation improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
23 September 2022Most recent
£352,000
+56.4%over 7 years14 August 2015
£225,000
+42.4%over 2 years8 March 2013
£158,000
Median price across the last 5 sales in SO45 1ED: £345,000 (2025–2017).
Green Gates Blackfield Road Fawley Southampton
Sold Jan 2025
Omega Blackfield Road Fawley Southampton
Sold Jul 2023
4 Pentagon Court Blackfield Road Fawley Southampton
Sold Jun 2021
8 Blackfield Road Fawley Southampton
Sold Mar 2017
Wynrush Blackfield Road Fawley Southampton
Sold Aug 2015
CO₂ Emissions
4.4 t/year
Street avg 4.5 t/year
SO45 1XZ
The Pentagon — bus stop.
Closest school
0.7 km
Fawley Infant School. 5 schools nearby.
Night-time· 23:00 – 07:00
39.3dB
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