12, Portman Street, Middlesbrough occupies a 57 m² plot as recorded by HM Land Registry.

Of the 40 other houses in this postcode, 38 have recorded plot sizes, and this one ranks as the 6th largest.

12, Portman Street, Middlesbrough has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Feb 2020.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

12, Portman Street, Middlesbrough last changed hands on 7th January 2003, selling for £18,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

• Sold Jan 2003£18,000
• Sold Nov 2002£15,000

Land Registry records and our Estate Agent network show 159 sales of comparable properties within 340 metres of 12, Portman Street, Middlesbrough since 2019.

Most recently, 84, Percy Street, Middlesbrough, TS1 4DD, a freehold house, sold at £66,000 on the 13th February 2026.

Read more about house prices in TS1.

• Sold Feb 2026£66,000 | 2 Bed House84, Percy Street, Middlesbrough, TS1 4DD84, Percy Street, Middlesbrough, TS1 4DD
• Sold Nov 2025£80,000 | 2 Bed House12, Peel Street, Middlesbrough, TS1 4DG12, Peel Street, Middlesbrough, TS1 4DG
• Sold Oct 2025£65,000 | 2 Bed House13, Peel Street, Middlesbrough, TS1 4DG13, Peel Street, Middlesbrough, TS1 4DG
• Sold Aug 2025£66,000 | 2 Bed House78, Percy Street, Middlesbrough, TS1 4DD78, Percy Street, Middlesbrough, TS1 4DD
• Sold Jul 2025£64,000 | 2 Bed House31, Bow Street, Middlesbrough, TS1 4BS31, Bow Street, Middlesbrough, TS1 4BS
• Sold Jun 2025£39,999 | 2 Bed House4, Albany Street, Middlesbrough, TS1 4DB4, Albany Street, Middlesbrough, TS1 4DB
• Sold Feb 2025£90,000 | 3 Bed House21, Peel Street, Middlesbrough, TS1 4DG21, Peel Street, Middlesbrough, TS1 4DG
• Sold Feb 2025£62,000 | 2 Bed House60, Percy Street, Middlesbrough, TS1 4DD60, Percy Street, Middlesbrough, TS1 4DD
• Sold Jan 2025£75,000 | 2 Bed House10, Peel Street, Middlesbrough, TS1 4DG10, Peel Street, Middlesbrough, TS1 4DG
• Sold Jan 2025£120,000 | 2 Bed House74, Percy Street, Middlesbrough, TS1 4DD74, Percy Street, Middlesbrough, TS1 4DD
• Sold Sep 2024£97,000 | 2 Bed House26, Peel Street, Middlesbrough, TS1 4DG26, Peel Street, Middlesbrough, TS1 4DG
• Sold Aug 2024£45,000 | 2 Bed House11, Bow Street, Middlesbrough, TS1 4BS11, Bow Street, Middlesbrough, TS1 4BS
• Sold Jul 2024£55,000 | 2 Bed House76, Percy Street, Middlesbrough, TS1 4DD76, Percy Street, Middlesbrough, TS1 4DD
• Sold May 2024£75,000 | 2 Bed House56, Percy Street, Middlesbrough, TS1 4DD56, Percy Street, Middlesbrough, TS1 4DD
• Sold Aug 2023£33,000 | 3 Bed House6, Peel Street, Middlesbrough, TS1 4DG6, Peel Street, Middlesbrough, TS1 4DG
• Sold Mar 2023£39,995 | 2 Bed House9, Peel Street, Middlesbrough, TS1 4DG9, Peel Street, Middlesbrough, TS1 4DG
• Sold Jul 2022£63,000 | 2 Bed House11, Peel Street, Middlesbrough, TS1 4DG11, Peel Street, Middlesbrough, TS1 4DG
• Sold Apr 2022£70,000 | 2 Bed House3, Peel Street, Middlesbrough, TS1 4DG3, Peel Street, Middlesbrough, TS1 4DG
• Sold Aug 2021£45,000 | 2 Bed House1, Peel Street, Middlesbrough, TS1 4DG1, Peel Street, Middlesbrough, TS1 4DG
• Sold Jul 2019£35,846 | 2 Bed House15, Peel Street, Middlesbrough, TS1 4DG15, Peel Street, Middlesbrough, TS1 4DG

Our analysis of the public data ranks 12, Portman Street, Middlesbrough as the 78th largest and the 94th most expensive of the 142 addresses on Portman Street, Middlesbrough, TS1.

Against the TS1 postcode district average, it is £34k less expensive than the typical property.

• Newport Primary School

  500 m away
• Ayresome Primary School

  500 m away
• Abingdon Primary School

  800 m away

• Outwood Academy Riverside

  900 m away
• Macmillan Academy

  1.7 km away
• Outwood Academy Acklam

  3.1 km away

• Middlesbrough

  |

  900 m away
• James Cook University Hospital

  |

  3.0 km away
• Marton

  |

  4.1 km away

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