21, Brookside has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Nov 2013.

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

21, Brookside last changed hands on 5th October 2001, selling for £162,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

• Sold Oct 2001£162,000
• Sold Dec 1997£81,500

Land Registry records and our Estate Agent network show 201 sales of comparable properties within 590 metres of 21, Brookside since 2013.

Most recently, 11, Gallus Close, London, N21 1JR, a leasehold flat, sold at £410,000 on the 11th December 2025.

Read more about house prices in N21.

• Sold Dec 2025£410,000 | 2 Bed Flat11, Gallus Close, London, N21 1JR11, Gallus Close, London, N21 1JR
• Sold Nov 2025£330,000 | 2 Bed Flat8, Gallus Close, London, N21 1JR8, Gallus Close, London, N21 1JR
• Sold Oct 2025£425,000 | 2 Bed Flat19, Byland Close, London, N21 1QH19, Byland Close, London, N21 1QH
• Sold Jul 2025£340,000 | 2 Bed Flat9, Brookside, London, N21 1JT9, Brookside, London, N21 1JT
• Sold Apr 2025£400,000 | 2 Bed Flat15, Brookside, London, N21 1JT15, Brookside, London, N21 1JT
• Sold Mar 2025£410,000 | 2 Bed Flat28, Eversley Park Road, London, N21 1JU28, Eversley Park Road, London, N21 1JU
• Sold Mar 2025£265,000 | 2 Bed FlatFlat 4, Chesterfield Lodge, Church Hill, London, N21 1LWFlat 4, Chesterfield Lodge, Church Hill, London, N21 1LW
• Sold Feb 2025£305,000 | 2 Bed FlatFlat 12, Chesterfield Lodge, Church Hill, London, N21 1LWFlat 12, Chesterfield Lodge, Church Hill, London, N21 1LW
• Sold Aug 2024£397,000 | 2 Bed Flat3, Byland Close, London, N21 1QH3, Byland Close, London, N21 1QH
• Sold Jul 2024£434,000 | 2 Bed Flat14, Byland Close, London, N21 1QH14, Byland Close, London, N21 1QH
• Sold Jul 2024£440,000 | 2 Bed Flat12, Brookside, London, N21 1JT12, Brookside, London, N21 1JT
• Sold Jul 2023£365,000 | 2 Bed Flat19, Maplin Close, London, N21 1NB19, Maplin Close, London, N21 1NB
• Sold Feb 2022£330,000 | 2 Bed Flat5, Gallus Close, London, N21 1JR5, Gallus Close, London, N21 1JR
• Sold Jun 2021£425,000 | 2 Bed Flat24, Eversley Park Road, London, N21 1JU24, Eversley Park Road, London, N21 1JU
• Sold Apr 2020£400,000 | 2 Bed Flat17, Brookside, London, N21 1JT17, Brookside, London, N21 1JT
• Sold Mar 2019£425,000 | 2 Bed Flat30, Eversley Park Road, London, N21 1JU30, Eversley Park Road, London, N21 1JU
• Sold Aug 2018£415,000 | 2 Bed Flat26, Eversley Park Road, London, N21 1JU26, Eversley Park Road, London, N21 1JU
• Sold Jun 2016£400,000 | 2 Bed Flat16, Brookside, London, N21 1JT16, Brookside, London, N21 1JT
• Sold Mar 2015£330,000 | 2 Bed Flat11, Brookside, London, N21 1JT11, Brookside, London, N21 1JT
• Sold Sep 2013£289,000 | 2 Bed Flat20, Brookside, London, N21 1JT20, Brookside, London, N21 1JT

Our analysis of the public data ranks 21, Brookside as the 8th largest and the 10th most expensive of the 22 addresses on Brookside, London, N21.

Against the N21 postcode district average, it is £340k less expensive than the typical property.

• Eversley Primary School

  400 m away
• Grange Park Primary School

  800 m away
• St Paul's CofE Primary School

  1.0 km away

• Highlands School

  1.0 km away
• Winchmore School

  1.8 km away
• Ashmole Academy

  1.9 km away

• Grange Park

  |

  900 m away
• Winchmore Hill

  |

  1.0 km away
• Southgate

  |

  1.5 km away

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