Flat 2, 31, Union Street has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Mar 2010.

The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.

Land Registry records and our Estate Agent network show 490 sales within 320 metres of Flat 2, 31, Union Street across the last 2 years.

Most recently, Apartment 10, Wiltshire House 2, Maidstone Buildings Mews, London, SE1 1GH, a leasehold flat, sold at £693,000 on the 8th January 2026.

Read more about house prices in SE1.

• Sold Jan 2026£693,000 | 2 Bed FlatApartment 10, Wiltshire House 2, Maidstone Buildings Mews, London, SE1 1GHApartment 10, Wiltshire House 2, Maidstone Buildings Mews, London, SE1 1GH
• Sold Oct 2025£3,610,000 | 4 Bed House27, Union Street, London, SE1 1SD27, Union Street, London, SE1 1SD
• Sold Sep 2025£850,000 | 3 Bed FlatApartment 8, Wiltshire House 2, Maidstone Buildings Mews, London, SE1 1GHApartment 8, Wiltshire House 2, Maidstone Buildings Mews, London, SE1 1GH

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

• The Cathedral School of St Saviour and St Mary Overie

  100 m away
• Saint Joseph's Catholic Primary School, the Borough

  100 m away
• Charles Dickens Primary School

  300 m away

• Haberdashers' Borough Academy

  400 m away
• St Saviour's and St Olave's Church of England School

  1.1 km away
• London Nautical, City of London Academy

  1.1 km away

• Borough

  |

  300 m away
• London Bridge

  |

  500 m away
• Southwark

  |

  800 m away

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