21, Neptune Square, Ipswich has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 30 May 2014.

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

The most recent sale of 21, Neptune Square, Ipswich completed on 20th February 2015 at £247,500 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 9.3% over the period since February 2015.

• Sold Feb 2015£247,500
• Sold Dec 2000£169,000

Since 2014 29 properties similar to 21, Neptune Square, Ipswich have sold within a radius of 380 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 13th February 2026, was 37, Neptune Square, Ipswich, IP4 1QH, a leasehold flat which sold for £136,000.

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 Dec 2022£185,000 | 3 Bed FlatFlat 402, 1, Coprolite Street, Ipswich, IP3 0BNFlat 402, 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 Mar 2021£210,000 | 3 Bed FlatFlat 202, 1, Coprolite Street, Ipswich, IP3 0BLFlat 202, 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
• Sold Sep 2016£290,000 | 2 Bed Flat31, Neptune Square, Ipswich, IP4 1QH31, Neptune Square, Ipswich, IP4 1QH
• Sold Aug 2016£299,995 | 3 Bed FlatFlat 507, 1, Coprolite Street, Ipswich, IP3 0BNFlat 507, 1, Coprolite Street, Ipswich, IP3 0BN
• Sold Dec 2014£280,000 | 2 Bed Flat13, Neptune Square, Ipswich, IP4 1QH13, Neptune Square, Ipswich, IP4 1QH
• Sold Sep 2014£248,000 | 2 Bed Flat42, Neptune Square, Ipswich, IP4 1QH42, Neptune Square, Ipswich, IP4 1QH

Of the 69 addresses on Neptune Square, Ipswich, IP4, 21, Neptune Square, Ipswich comes out as the 15th largest and the 15th most expensive in our analysis of the public data.

It is also £30k less expensive than the average property across the IP4 district.

• 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

The flood risk here is rated Low, based on Environment Agency data.