18, Collison Avenue, Barnet occupies a 146 m² plot as recorded by HM Land Registry.

Of the 15 other houses in this postcode, 8 have recorded plot sizes, and this one ranks as the 4th largest.

18, Collison Avenue, Barnet has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 04 Dec 2018.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

18, Collison Avenue, Barnet last changed hands on 22nd December 2017, selling for £750,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has dropped by 9.3% since December 2017.

• Sold Dec 2017£750,000

Land Registry records and our Estate Agent network show 68 sales of comparable properties within 620 metres of 18, Collison Avenue, Barnet since 2013.

Most recently, 30, Collison Avenue, Barnet, EN5 3DD, a freehold house, sold at £845,000 on the 9th October 2025.

Read more about house prices in EN5.

• Sold Oct 2025£845,000 | 4 Bed House30, Collison Avenue, Barnet, EN5 3DD30, Collison Avenue, Barnet, EN5 3DD
• Sold Jun 2025£825,000 | 4 Bed House120, Wellhouse Lane, Barnet, EN5 3DP120, Wellhouse Lane, Barnet, EN5 3DP
• Sold May 2025£750,000 | 4 Bed House133, Wood Street, Barnet, EN5 4BX133, Wood Street, Barnet, EN5 4BX
• Sold Nov 2024£721,000 | 4 Bed House29, Trinder Road, Barnet, EN5 3EE29, Trinder Road, Barnet, EN5 3EE
• Sold Nov 2024£800,000 | 4 Bed House28, Collison Avenue, Barnet, EN5 3DD28, Collison Avenue, Barnet, EN5 3DD
• Sold Dec 2023£665,000 | 4 Bed House12, Vyse Close, Barnet, EN5 3BA12, Vyse Close, Barnet, EN5 3BA
• Sold Aug 2023£925,000 | 4 Bed House41, Garthland Drive, Barnet, EN5 3BD41, Garthland Drive, Barnet, EN5 3BD
• Sold Nov 2022£555,000 | 4 Bed House14, Elmbank Avenue, Barnet, EN5 3DS14, Elmbank Avenue, Barnet, EN5 3DS
• Sold Jul 2022£750,000 | 4 Bed House14, Collison Avenue, Barnet, EN5 3DD14, Collison Avenue, Barnet, EN5 3DD
• Sold May 2022£780,000 | 4 Bed House16, Collison Avenue, Barnet, EN5 3DD16, Collison Avenue, Barnet, EN5 3DD
• Sold Nov 2021£923,000 | 4 Bed House24, Old Fold View, Barnet, EN5 4EB24, Old Fold View, Barnet, EN5 4EB
• Sold Aug 2021£740,000 | 4 Bed House26, Elmbank Avenue, Barnet, EN5 3DS26, Elmbank Avenue, Barnet, EN5 3DS
• Sold Aug 2021£635,000 | 3 Bed House63A, Well Road, Barnet, EN5 3EA63A, Well Road, Barnet, EN5 3EA
• Sold Sep 2019£575,000 | 3 Bed House24, Elmbank Avenue, Barnet, EN5 3DS24, Elmbank Avenue, Barnet, EN5 3DS
• Sold Nov 2018£772,500 | 4 Bed House26, Collison Avenue, Barnet, EN5 3DD26, Collison Avenue, Barnet, EN5 3DD
• Sold Aug 2018£750,000 | 4 Bed House24, Collison Avenue, Barnet, EN5 3DD24, Collison Avenue, Barnet, EN5 3DD
• Sold Aug 2018£740,000 | 4 Bed House22, Collison Avenue, Barnet, EN5 3DD22, Collison Avenue, Barnet, EN5 3DD
• Sold Jun 2018£750,000 | 4 Bed House20, Collison Avenue, Barnet, EN5 3DD20, Collison Avenue, Barnet, EN5 3DD
• Sold Jun 2018£707,000 | 4 Bed House31, Garthland Drive, Barnet, EN5 3BD31, Garthland Drive, Barnet, EN5 3BD
• Sold Jan 2013£425,000 | 4 Bed House32, Elmbank Avenue, Barnet, EN5 3DS32, Elmbank Avenue, Barnet, EN5 3DS

Our analysis of the public data ranks 18, Collison Avenue, Barnet as the 17th largest and the 17th most expensive of the 93 addresses on Collison Avenue, Barnet, EN5.

Against the EN5 postcode district average, it is £159k more expensive than the typical property.

• Whitings Hill Primary School

  600 m away
• Foulds School

  900 m away
• Christ Church Primary School

  1.0 km away

• Queen Elizabeth's School, Barnet

  700 m away
• Queen Elizabeth's Girls' School

  1.5 km away
• The Totteridge Academy

  1.9 km away

• High Barnet

  |

  1.7 km away
• New Barnet

  |

  3.2 km away
• Hadley Wood

  |

  3.5 km away

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