15, Neptune Square, Ipswich has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 20 Jan 2023.

The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).

15, Neptune Square, Ipswich last changed hands on 6th December 2013, selling for £230,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has dropped by 2.0% since December 2013.

• Sold Dec 2013£230,000
• Sold Jul 2001£185,000

Land Registry records and our Estate Agent network show 36 sales of comparable properties within 380 metres of 15, Neptune Square, Ipswich since 2016.

Most recently, 37, Neptune Square, Ipswich, IP4 1QH, a leasehold flat, sold at £136,000 on the 13th February 2026.

Read more about house prices in IP4.

• Sold Feb 2026£136,000 | 2 Bed Flat37, Neptune Square, Ipswich, IP4 1QH37, Neptune Square, Ipswich, IP4 1QH
• Sold Oct 2025£290,000 | 2 Bed Flat50, Neptune Square, Ipswich, IP4 1QH50, Neptune Square, Ipswich, IP4 1QH
• Sold Aug 2025£204,000 | 2 Bed Flat48, Neptune Square, Ipswich, IP4 1QH48, Neptune Square, Ipswich, IP4 1QH
• Sold Nov 2024£290,000 | 2 Bed Flat24, Neptune Square, Ipswich, IP4 1QH24, Neptune Square, Ipswich, IP4 1QH
• Sold Jul 2023£315,000 | 2 Bed Flat39, Neptune Square, Ipswich, IP4 1QH39, Neptune Square, Ipswich, IP4 1QH
• Sold Jun 2023£322,500 | 2 Bed Flat51, Neptune Square, Ipswich, IP4 1QH51, Neptune Square, Ipswich, IP4 1QH
• Sold May 2023£305,000 | 3 Bed FlatFlat 307, 1, Coprolite Street, Ipswich, IP3 0BLFlat 307, 1, Coprolite Street, Ipswich, IP3 0BL
• Sold Apr 2023£259,995 | 3 Bed FlatFlat 701, 1, Coprolite Street, Ipswich, IP3 0BNFlat 701, 1, Coprolite Street, Ipswich, IP3 0BN
• Sold Feb 2023£275,000 | 3 Bed FlatFlat 607, 1, Coprolite Street, Ipswich, IP3 0BNFlat 607, 1, Coprolite Street, Ipswich, IP3 0BN
• Sold Dec 2022£185,000 | 3 Bed FlatFlat 402, 1, Coprolite Street, Ipswich, IP3 0BNFlat 402, 1, Coprolite Street, Ipswich, IP3 0BN
• Sold Sep 2022£310,000 | 3 Bed FlatFlat 508, 1, Coprolite Street, Ipswich, IP3 0BNFlat 508, 1, Coprolite Street, Ipswich, IP3 0BN
• Sold Apr 2022£280,000 | 3 Bed FlatFlat 308, 1, Coprolite Street, Ipswich, IP3 0BLFlat 308, 1, Coprolite Street, Ipswich, IP3 0BL
• Sold Feb 2022£317,500 | 2 Bed Flat49, Neptune Square, Ipswich, IP4 1QH49, Neptune Square, Ipswich, IP4 1QH
• Sold Jan 2022£290,000 | 2 Bed Flat23, Neptune Square, Ipswich, IP4 1QH23, Neptune Square, Ipswich, IP4 1QH
• Sold Sep 2021£312,500 | 2 Bed Flat52, Neptune Square, Ipswich, IP4 1QH52, Neptune Square, Ipswich, IP4 1QH
• Sold May 2021£175,000 | 3 Bed FlatFlat 303, 1, Coprolite Street, Ipswich, IP3 0BLFlat 303, 1, Coprolite Street, Ipswich, IP3 0BL
• Sold Mar 2021£210,000 | 3 Bed FlatFlat 202, 1, Coprolite Street, Ipswich, IP3 0BLFlat 202, 1, Coprolite Street, Ipswich, IP3 0BL
• Sold Dec 2019£194,000 | 3 Bed FlatFlat 306, 1, Coprolite Street, Ipswich, IP3 0BLFlat 306, 1, Coprolite Street, Ipswich, IP3 0BL
• Sold Sep 2017£330,000 | 2 Bed Flat33, Neptune Square, Ipswich, IP4 1QH33, Neptune Square, Ipswich, IP4 1QH
• Sold Oct 2016£290,000 | 2 Bed Flat32, Neptune Square, Ipswich, IP4 1QH32, Neptune Square, Ipswich, IP4 1QH

Our analysis of the public data ranks 15, Neptune Square, Ipswich as the 30th largest and the 29th most expensive of the 69 addresses on Neptune Square, Ipswich, IP4.

Against the IP4 postcode district average, it is £34k less expensive than the typical property.

• St Helen's Primary School

  600 m away
• St Margaret's Church of England Voluntary Aided Primary School, Ipswich

  800 m away
• Clifford Road Primary School & Nursery

  1.0 km away

• Stoke High School - Ormiston Academy

  1.4 km away
• Copleston High School

  2.2 km away
• Chantry Academy

  2.4 km away

• Ipswich

  |

  1.2 km away
• Derby Road (Ipswich)

  |

  1.4 km away
• Westerfield

  |

  3.2 km away

Environment Agency data suggests this area has a Low risk of flooding.