According to data from HM Land Registry, 30, Collison Avenue, Barnet sits on a plot of 197 m².

We have plot size data on 8 out of 15 other houses in the postcode and 30, Collison Avenue, Barnet sits on the 3rd largest plot.

30, Collison Avenue, Barnet has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 27 Mar 2019.

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

According to HM Land Registry, 30, Collison Avenue, Barnet was last sold on 9th October 2025 for £845,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since October 2025, the market for similar properties has dropped by 18.4%.

• Sold Oct 2025£845,000
• Sold Jul 2018£750,000

According to the Land Registry and our network of Estate Agents, there have been 64 sales of properties similar to 30, Collison Avenue, Barnet within a radius of 610 metres since 2010.

The most recent example is 120, Wellhouse Lane, Barnet, EN5 3DP, a freehold house which sold for £825,000 on the 20th June 2025.

Read more about house prices in EN5.

• 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 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 Dec 2017£750,000 | 4 Bed House18, Collison Avenue, Barnet, EN5 3DD18, Collison Avenue, Barnet, EN5 3DD
• Sold Jan 2013£425,000 | 4 Bed House32, Elmbank Avenue, Barnet, EN5 3DS32, Elmbank Avenue, Barnet, EN5 3DS
• Sold Oct 2010£328,000 | 4 Bed House10, Elmbank Avenue, Barnet, EN5 3DS10, Elmbank Avenue, Barnet, EN5 3DS

Collison Avenue, Barnet, EN5 has a total of 93 addresses. According to our analysis of all the public data, 30, Collison Avenue, Barnet is the 13th largest and the 13th most expensive property on the street.

When compared to the postcode district it is £159k more expensive than the average property in EN5.

• 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

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