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Get started15 Neptune Square is a two-bedroom end-of-terrace house in Ipswich (IP4 1QH). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (January 2023) shows a C (score 75), near the top of the C band. When first surveyed in January 2009 the rating was D, the property has climbed 1 band since. 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 Good. Main heating runs on electricity. At 76 m² this is the 37th 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. Other recorded features include a balcony.
Sale prices here have outpaced Ipswich HPI: 1.8% per year against 0% for the wider region. Today's modelled estimate of £257,000 is 11.7% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£281/sq ft) was about 23.9% above the typical sold price in the postcode. Last changed hands 12 years ago, in December 2013.
15 Neptune Square valuation sits well clear of the typical sold price in this postcode.
£257,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.8% per year over 12 years.
£230,000
Growth on file: 1.8% per year over 12 years.
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Price per m²
£3,026
Street avg £2,868
Floor Area
76 m²
Street avg 74 m²
Habitable Rooms
3 rooms
Street avg 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
Hot water efficiency decreased
More low energy lighting installed
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6 December 2013Most recent
£230,000
+24.3%over 12 years12 July 2001
£185,000
Median price across the last 5 sales in IP4 1QH: £182,000 (2025–2024).
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Energy costs, comparable sales, crime, schools and transport

CO₂ Emissions
2.5 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