17, Castlegate Street, Harwich has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 Jun 2016.

The property is connected to mains gas and has mostly secondary glazing. It is heated using a boiler and radiators (mains gas).

17, Castlegate Street, Harwich last changed hands on 16th November 2018, selling for £282,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 4 times since 1995.

The market for similar properties has risen by 76.0% since November 2018.

Land Registry records and our Estate Agent network show 70 sales of comparable properties within 1.3 kilometres of 17, Castlegate Street, Harwich since 2015.

Most recently, 49, Albemarle Street, Harwich, CO12 3HN, a freehold house, sold at £208,000 on the 20th May 2026.

Read more about house prices in CO12.

• Sold May 2026£208,000 | 4 Bed House49, Albemarle Street, Harwich, CO12 3HN49, Albemarle Street, Harwich, CO12 3HN
• Sold Apr 2026£235,500 | 4 Bed House7, Nelson Road, Harwich, CO12 3AH7, Nelson Road, Harwich, CO12 3AH
• Sold Oct 2025£175,000 | 4 Bed House9, Castlegate Street, Harwich, CO12 3HA9, Castlegate Street, Harwich, CO12 3HA
• Sold Aug 2025£245,000 | 4 Bed House33, Victoria Street, Harwich, CO12 3AR33, Victoria Street, Harwich, CO12 3AR
• Sold Jul 2025£190,000 | 4 Bed House2, Ferndale Road, Harwich, CO12 3BP2, Ferndale Road, Harwich, CO12 3BP
• Sold Jul 2025£183,000 | 4 Bed House76, West Street, Harwich, CO12 3DA76, West Street, Harwich, CO12 3DA
• Sold Jul 2025£210,000 | 4 Bed House19, Pepys Street, Harwich, CO12 3HG19, Pepys Street, Harwich, CO12 3HG
• Sold May 2025£165,000 | 4 Bed House49, Albert Street, Harwich, CO12 3HY49, Albert Street, Harwich, CO12 3HY
• Sold Apr 2025£185,000 | 4 Bed House11, Eastgate Street, Harwich, CO12 3EZ11, Eastgate Street, Harwich, CO12 3EZ
• Sold Mar 2025£203,000 | 3 Bed House51, Albemarle Street, Harwich, CO12 3HN51, Albemarle Street, Harwich, CO12 3HN
• Sold Jul 2024£160,000 | 4 Bed House17, Pepys Street, Harwich, CO12 3HG17, Pepys Street, Harwich, CO12 3HG
• Sold Jun 2024£155,000 | 4 Bed HouseAdmirals Ballroom, West Street, Harwich, CO12 3DDAdmirals Ballroom, West Street, Harwich, CO12 3DD
• Sold Nov 2022£145,000 | 4 Bed House26, Vansittart Street, Harwich, CO12 3HZ26, Vansittart Street, Harwich, CO12 3HZ
• Sold Apr 2022£222,000 | 4 Bed House3, Market Street, Harwich, CO12 3DX3, Market Street, Harwich, CO12 3DX
• Sold Jun 2021£170,000 | 4 Bed House46, Fernlea Road, Harwich, CO12 3BW46, Fernlea Road, Harwich, CO12 3BW
• Sold Sep 2019£187,000 | 4 Bed House11A, Castlegate Street, Harwich, CO12 3HA11A, Castlegate Street, Harwich, CO12 3HA
• Sold Apr 2019£139,000 | 4 Bed House13, Fernlea Road, Harwich, CO12 3BW13, Fernlea Road, Harwich, CO12 3BW
• Sold Apr 2017£143,000 | 4 Bed House7, Pepys Street, Harwich, CO12 3HG7, Pepys Street, Harwich, CO12 3HG
• Sold Mar 2016£90,500 | 4 Bed House1, Pepys Street, Harwich, CO12 3HG1, Pepys Street, Harwich, CO12 3HG
• Sold Dec 2015£130,000 | 4 Bed House36, Church Street, Harwich, CO12 3EA36, Church Street, Harwich, CO12 3EA

Our analysis of the public data ranks 17, Castlegate Street, Harwich as the largest and the most expensive of the 10 addresses on Castlegate Street, Harwich, CO12.

Against the CO12 postcode district average, it is £37k less expensive than the typical property.

• Harwich Community Primary School and Nursery

  1.0 km away
• The Mayflower Primary School

  1.6 km away
• St Joseph's Catholic Primary School

  2.3 km away

• Harwich and Dovercourt High School

  2.7 km away
• Felixstowe School

  4.2 km away
• Holbrook Academy

  10.0 km away

• Harwich Town

  |

  400 m away
• Dovercourt

  |

  1.1 km away
• Harwich International

  |

  2.2 km away

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