15, Brookside has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 May 2021.

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

15, Brookside last changed hands on 17th April 2025, selling for £400,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has dropped by 11.6% since April 2025.

• Sold Apr 2025£400,000
• Sold Feb 1995£82,000

Land Registry records and our Estate Agent network show 191 sales of comparable properties within 580 metres of 15, Brookside since 2013.

Most recently, 8, Gallus Close, London, N21 1JR, a leasehold flat, sold at £330,000 on the 28th November 2025.

Read more about house prices in N21.

• 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 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 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 May 2024£386,250 | 2 Bed FlatFlat 9, Chesterfield Lodge, Church Hill, London, N21 1LWFlat 9, Chesterfield Lodge, Church Hill, London, N21 1LW
• Sold Dec 2023£315,000 | 2 Bed FlatFlat 18, Chesterfield Lodge, Church Hill, London, N21 1LWFlat 18, Chesterfield Lodge, Church Hill, London, N21 1LW
• Sold Jul 2023£365,000 | 2 Bed Flat19, Maplin Close, London, N21 1NB19, Maplin Close, London, N21 1NB
• Sold Sep 2022£410,000 | 2 Bed Flat27, Maplin Close, London, N21 1NB27, Maplin Close, London, N21 1NB
• Sold Feb 2022£285,000 | 2 Bed Flat18, Byland Close, London, N21 1QH18, Byland Close, London, N21 1QH
• 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 15, Brookside as the 6th largest and the 8th most expensive of the 22 addresses on Brookside, London, N21.

Against the N21 postcode district average, it is £332k 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.