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Get started23 Neptune Square is a two-bedroom end-of-terrace house in Ipswich (IP4 1QH). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (February 2021) returns a B (score 82), comfortably above the UK average. When first surveyed in January 2009 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. Main heating runs on electricity. At 79 m² this is the 51st 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, with this unit at the top. Other recorded features include a balcony.
Sale prices here have outpaced Ipswich HPI: 2.4% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£341/sq ft) was about 50.3% above the typical sold price in the postcode. On energy efficiency it sits in the top 10% of properties in this postcode. Most recent transfer: January 2022 at £290,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
23 Neptune Square ranks among the most efficient homes in the postcode for energy use.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£278,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.4% per year over 21 years.
£290,000
Growth on file: 2.4% per year over 21 years.
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23 Neptune Square outperforms the street on epc rating by a wide margin.
Price per m²
£3,671
Street avg £2,858
Floor Area
79 m²
Street avg 74 m²
Habitable Rooms
3 rooms
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.

Daytime· 07:00 – 23:00
55.0dB

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Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
14 January 2022Most recent
£290,000
+65.7%over 20 years5 February 2001
£175,000
Median price across the last 5 sales in IP4 1QH: £182,000 (2025–2024).
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Every planning application and decision on record
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Energy costs, comparable sales, crime, schools and transport

Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 2.8 t/year
IP4 1PJ
Closest school
0.3 km
Suffolk New College. 31 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
45.5dB