21, Brook Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Oct 2018.

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

According to HM Land Registry, 21, Brook Square was last sold on 5th February 2026 for £295,000 and was recorded as a leasehold flat.

The property has had 2 sales since 1995.

Since February 2026, the market for similar properties has dropped by 6.6%.

• Sold Feb 2026£295,000
• Sold Oct 2003£158,750

According to the Land Registry and our network of Estate Agents, there have been 139 sales of properties similar to 21, Brook Square within a radius of 470 metres since 2015.

The most recent example is 60, Brook Square, London, SE18 4NB, a leasehold flat which sold for £312,500 on the 5th May 2026.

Read more about house prices in SE18.

• Sold May 2026£312,500 | 2 Bed Flat60, Brook Square, London, SE18 4NB60, Brook Square, London, SE18 4NB
• Sold Jan 2026£230,000 | 2 Bed Flat55, Gilbert Close, London, SE18 4PT55, Gilbert Close, London, SE18 4PT
• Sold Oct 2024£340,000 | 2 Bed Flat59, Elizabeth Fry Place, London, SE18 4LA59, Elizabeth Fry Place, London, SE18 4LA
• Sold Nov 2023£309,000 | 2 Bed Flat52, Gilbert Close, London, SE18 4PT52, Gilbert Close, London, SE18 4PT
• Sold Sep 2023£240,000 | 2 Bed Flat61, Gilbert Close, London, SE18 4PT61, Gilbert Close, London, SE18 4PT
• Sold Jan 2023£320,000 | 2 Bed Flat45, Elizabeth Fry Place, London, SE18 4LA45, Elizabeth Fry Place, London, SE18 4LA
• Sold Aug 2022£305,000 | 3 Bed Flat10, Brook Square, London, SE18 4NB10, Brook Square, London, SE18 4NB
• Sold Apr 2022£308,000 | 2 Bed Flat42, Brook Square, London, SE18 4NB42, Brook Square, London, SE18 4NB
• Sold Feb 2022£287,500 | 2 Bed Flat28, Brook Square, London, SE18 4NB28, Brook Square, London, SE18 4NB
• Sold Feb 2022£325,000 | 3 Bed Flat52, Brook Square, London, SE18 4NB52, Brook Square, London, SE18 4NB
• Sold Dec 2021£292,000 | 2 Bed Flat23, Brook Square, London, SE18 4NB23, Brook Square, London, SE18 4NB
• Sold Oct 2021£331,600 | 3 Bed Flat66, Brook Square, London, SE18 4NB66, Brook Square, London, SE18 4NB
• Sold Oct 2021£318,000 | 2 Bed Flat39, Brook Square, London, SE18 4NB39, Brook Square, London, SE18 4NB
• Sold Jun 2021£280,000 | 2 Bed Flat9, Brook Square, London, SE18 4NB9, Brook Square, London, SE18 4NB
• Sold Oct 2020£320,000 | 2 Bed Flat49, Elizabeth Fry Place, London, SE18 4LA49, Elizabeth Fry Place, London, SE18 4LA
• Sold Jun 2019£315,000 | 3 Bed Flat17, Brook Square, London, SE18 4NB17, Brook Square, London, SE18 4NB
• Sold Apr 2019£250,000 | 2 Bed Flat53, Brook Square, London, SE18 4NB53, Brook Square, London, SE18 4NB
• Sold Feb 2017£323,000 | 2 Bed Flat35, Brook Square, London, SE18 4NB35, Brook Square, London, SE18 4NB
• Sold Jan 2017£330,000 | 2 Bed Flat56, Brook Square, London, SE18 4NB56, Brook Square, London, SE18 4NB
• Sold Nov 2015£236,000 | 3 Bed Flat27, Brook Square, London, SE18 4NB27, Brook Square, London, SE18 4NB

Brook Square, London, SE18 has a total of 66 addresses. According to our analysis of all the public data, 21, Brook Square is the 5th largest and the 5th most expensive property on the street.

When compared to the postcode district it is £48k less expensive than the average property in SE18.

• Charlton Manor Primary School

  1.0 km away
• Christ Church Church of England Primary School, Shooters Hill

  1.0 km away
• Henwick Primary School

  1.0 km away

• Ark Greenwich Free School

  400 m away
• Leigh Academy Halley

  500 m away
• Leigh Academy Blackheath

  1.4 km away

• Kidbrooke

  |

  1.6 km away
• Eltham

  |

  1.8 km away
• Charlton

  |

  2.1 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.