12 Neptune Square, Ipswich, IP4 1QH
About 12 Neptune Square
12 Neptune Square is a one-bedroom mid-terrace house in Ipswich (IP4 1QH). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1996-2002 and council tax band B. The latest certificate (November 2024) shows a C (score 69), just inside the C band. The rating has held steady at C across 3 certificates since January 2009. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. Main heating runs on electricity. At 42 m² this is the 5th smallest of 63 units on EPC record in the building, where floor areas span 38–181 m². The building's EPC ratings span E to B across 66 units on file.
Most recent transfer was May 2025 at £155,000 — fresh data. At 42 m² it sits well below the postcode median (75 m² across 62 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2000–2025, sale prices on this property compounded at 2.8% per year. On a £-per-square-foot basis, the last sale (£343/sq ft) was about 51.3% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Everything you need to know about 12 Neptune Square
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Hot water system upgraded
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
12 Neptune Square has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£153,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 25 years.
£155,000
Growth on file: 2.8% per year over 25 years.
Sales timeline
14 May 2025Most recent
£155,000
+33.6%over 8 years11 August 2016
£115,995
+48.7%over 16 years15 June 2000
£78,000
Median price across the last 5 sales in IP4 1QH: £204,000 (2025–2024).
Nearby sales in IP4 1QH
Versus other Neptune Square homes
12 Neptune Square is notably below the street on years held.
Price per m²
£3,690
Street avg £2,857
Floor Area
42 m²
Street avg 75 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.8 t/year
Everything you need to know about 12 Neptune Square
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Fore Street — bus stop.
Closest school
0.3 km
Suffolk New College. 31 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
55.0dB
Night-time· 23:00 – 07:00
45.5dB