HM Land Registry records the plot of land for 55, Lyonsdown Avenue, Barnet as measuring 891 m².

That makes it the 9th largest plot in the postcode, where 16 of the 17 other houses have recorded plot data.

55, Lyonsdown Avenue, Barnet has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Nov 2019.

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

The most recent sale of 55, Lyonsdown Avenue, Barnet completed on 29th March 2021 at £1,310,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have dropped by 9.5% over the period since March 2021.

• Sold Mar 2021£1,310,000
• Sold Mar 1996£280,000

Since 2012 22 properties similar to 55, Lyonsdown Avenue, Barnet have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 24th October 2025, was 17, Langton Avenue, London, N20 9DD, a freehold house which sold for £1,450,000.

Read more about house prices in EN5.

• Sold Oct 2025£1,450,000 | 5 Bed House17, Langton Avenue, London, N20 9DD17, Langton Avenue, London, N20 9DD
• Sold Jul 2025£1,430,000 | 5 Bed House62, Buckingham Avenue, London, N20 9DH62, Buckingham Avenue, London, N20 9DH
• Sold Mar 2025£2,085,000 | 5 Bed House9, Northumberland Road, Barnet, EN5 1EF9, Northumberland Road, Barnet, EN5 1EF
• Sold Apr 2024£1,825,000 | 5 Bed House44, Northumberland Road, Barnet, EN5 1ED44, Northumberland Road, Barnet, EN5 1ED
• Sold Feb 2024£950,000 | 5 Bed House49, Lyonsdown Avenue, Barnet, EN5 1DX49, Lyonsdown Avenue, Barnet, EN5 1DX
• Sold Sep 2023£1,750,000 | 5 Bed House27, Lyonsdown Avenue, Barnet, EN5 1DU27, Lyonsdown Avenue, Barnet, EN5 1DU
• Sold Aug 2023£1,295,000 | 5 Bed House86, Northumberland Road, Barnet, EN5 1EE86, Northumberland Road, Barnet, EN5 1EE
• Sold Jun 2023£1,315,000 | 5 Bed HouseGreenlawns, Monks Avenue, Barnet, EN5 1DAGreenlawns, Monks Avenue, Barnet, EN5 1DA
• Sold Dec 2021£1,295,000 | 5 Bed House27, Friern Mount Drive, London, N20 9DP27, Friern Mount Drive, London, N20 9DP
• Sold Jun 2021£1,350,000 | 6 Bed House42, Langton Avenue, London, N20 9DA42, Langton Avenue, London, N20 9DA
• Sold Mar 2021£1,435,000 | 6 Bed House22, Buckingham Avenue, London, N20 9BX22, Buckingham Avenue, London, N20 9BX
• Sold Feb 2021£1,545,000 | 5 Bed House3, Northumberland Road, Barnet, EN5 1EF3, Northumberland Road, Barnet, EN5 1EF
• Sold Jan 2021£1,550,000 | 5 Bed House16, Langton Avenue, London, N20 9DB16, Langton Avenue, London, N20 9DB
• Sold May 2018£1,200,000 | 5 Bed House84, Northumberland Road, Barnet, EN5 1EE84, Northumberland Road, Barnet, EN5 1EE
• Sold Mar 2017£1,345,000 | 5 Bed House89, Lyonsdown Road, Barnet, EN5 1JT89, Lyonsdown Road, Barnet, EN5 1JT
• Sold Oct 2015£1,375,000 | 5 Bed House45, Lyonsdown Avenue, Barnet, EN5 1DX45, Lyonsdown Avenue, Barnet, EN5 1DX
• Sold Aug 2015£945,000 | 5 Bed House68, Northumberland Road, Barnet, EN5 1EE68, Northumberland Road, Barnet, EN5 1EE
• Sold Jan 2014£1,250,000 | 6 Bed House26, Buckingham Avenue, London, N20 9DE26, Buckingham Avenue, London, N20 9DE
• Sold Jan 2013£725,000 | 5 Bed House47, Northumberland Road, Barnet, EN5 1EB47, Northumberland Road, Barnet, EN5 1EB
• Sold Mar 2012£620,000 | 5 Bed House46, Northumberland Road, Barnet, EN5 1ED46, Northumberland Road, Barnet, EN5 1ED

Of the 47 addresses on Lyonsdown Avenue, New Barnet, Barnet, EN5, 55, Lyonsdown Avenue, Barnet comes out as the 5th largest and the 9th most expensive in our analysis of the public data.

It is also £873k more expensive than the average property across the EN5 district.

• St Mary's CofE Primary School, East Barnet

  1.1 km away
• Danegrove Primary School

  1.3 km away
• Church Hill School

  1.4 km away

• Ark Pioneer Academy

  1.2 km away
• East Barnet School

  1.6 km away
• The Totteridge Academy

  1.6 km away

• Oakleigh Park

  |

  800 m away
• New Barnet

  |

  900 m away
• Totteridge & Whetstone

  |

  1.2 km away

The flood risk here is rated Very Low, based on Environment Agency data.