21, Lyonsdown Avenue, Barnet occupies a 781 m² plot as recorded by HM Land Registry.

All 30 other houses in this postcode have recorded plot sizes, and this one ranks as the 7th largest.

21, Lyonsdown Avenue, Barnet has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 28 Mar 2017.

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

21, Lyonsdown Avenue, Barnet last changed hands on 26th November 2019, selling for £1,300,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 22.7% since November 2019.

• Sold Nov 2019£1,300,000
• Sold Jul 1997£282,000

Land Registry records and our Estate Agent network show 46 sales of comparable properties within 530 metres of 21, Lyonsdown Avenue, Barnet since 2007.

Most recently, 11, Holyrood Road, Barnet, EN5 1DQ, a freehold house, sold at £1,247,000 on the 22nd October 2025.

Read more about house prices in EN5.

• Sold Oct 2025£1,247,000 | 5 Bed House11, Holyrood Road, Barnet, EN5 1DQ11, Holyrood Road, Barnet, EN5 1DQ
• Sold Sep 2025£1,282,497 | 5 Bed House48, Northumberland Road, Barnet, EN5 1ED48, Northumberland Road, Barnet, EN5 1ED
• Sold Aug 2025£1,375,000 | 5 Bed House28, Friern Mount Drive, London, N20 9DN28, Friern Mount Drive, London, N20 9DN
• Sold Mar 2025£1,275,000 | 5 Bed House55, Northumberland Road, Barnet, EN5 1EB55, Northumberland Road, Barnet, EN5 1EB
• Sold Feb 2025£1,270,000 | 5 Bed House57, Northumberland Road, Barnet, EN5 1EB57, Northumberland Road, Barnet, EN5 1EB
• Sold Jan 2025£1,388,500 | 5 Bed House4, Willenhall Avenue, Barnet, EN5 1JN4, Willenhall Avenue, Barnet, EN5 1JN
• Sold Dec 2024£1,580,000 | 5 Bed House85, Greenhill Park, Barnet, EN5 1HP85, Greenhill Park, Barnet, EN5 1HP
• Sold Oct 2023£1,250,000 | 5 Bed House14, Farnham Close, London, N20 9PU14, Farnham Close, London, N20 9PU
• Sold Oct 2023£1,350,000 | 4 Bed House83, Greenhill Park, Barnet, EN5 1HP83, Greenhill Park, Barnet, EN5 1HP
• Sold Sep 2023£1,120,000 | 5 Bed House1, Hasluck Gardens, Barnet, EN5 1HS1, Hasluck Gardens, Barnet, EN5 1HS
• Sold Feb 2023£900,000 | 5 Bed House65, Northumberland Road, Barnet, EN5 1EB65, Northumberland Road, Barnet, EN5 1EB
• Sold Sep 2022£1,380,000 | 5 Bed House45, Northumberland Road, Barnet, EN5 1EB45, Northumberland Road, Barnet, EN5 1EB
• Sold Nov 2021£1,250,000 | 5 Bed House52, Friern Mount Drive, London, N20 9DL52, Friern Mount Drive, London, N20 9DL
• Sold Mar 2021£1,205,000 | 5 Bed House5A, Northumberland Road, Barnet, EN5 1EF5A, Northumberland Road, Barnet, EN5 1EF
• Sold Sep 2020£1,100,000 | 5 Bed House65, Greenhill Park, Barnet, EN5 1HP65, Greenhill Park, Barnet, EN5 1HP
• Sold Nov 2018£1,150,000 | 5 Bed House13, Holyrood Road, Barnet, EN5 1DQ13, Holyrood Road, Barnet, EN5 1DQ
• Sold Mar 2018£1,147,500 | 5 Bed House41, Lyonsdown Avenue, Barnet, EN5 1DX41, Lyonsdown Avenue, Barnet, EN5 1DX
• Sold Jul 2017£1,250,000 | 5 Bed House25, Lyonsdown Avenue, Barnet, EN5 1DU25, Lyonsdown Avenue, Barnet, EN5 1DU
• Sold Sep 2012£999,000 | 5 Bed House57, Lyonsdown Avenue, Barnet, EN5 1DX57, Lyonsdown Avenue, Barnet, EN5 1DX
• Sold Jul 2007£865,000 | 5 Bed House31, Lyonsdown Avenue, Barnet, EN5 1DU31, Lyonsdown Avenue, Barnet, EN5 1DU

Our analysis of the public data ranks 21, Lyonsdown Avenue, Barnet as the 14th largest and the 13th most expensive of the 47 addresses on Lyonsdown Avenue, New Barnet, Barnet, EN5.

Against the EN5 postcode district average, it is £715k more expensive than the typical property.

• St Mary's CofE Primary School, East Barnet

  1.1 km away
• Cromer Road Primary School

  1.2 km away
• Danegrove Primary School

  1.2 km away

• Ark Pioneer Academy

  1.1 km away
• JCoSS

  1.5 km away
• East Barnet School

  1.5 km away

• New Barnet

  |

  700 m away
• Oakleigh Park

  |

  900 m away
• Totteridge & Whetstone

  |

  1.4 km away

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