3, Northiam occupies a 553 m² plot as recorded by HM Land Registry.

All 24 other houses in this postcode have recorded plot sizes, and this one ranks as the 4th largest.

3, Northiam has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 24 Jun 2019.

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

3, Northiam last changed hands on 15th July 2022, selling for £1,375,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold 3 times since 1995.

The market for similar properties has dropped by 18.4% since July 2022.

• Sold Jul 2022£1,375,000
• Sold Oct 2007£910,000
• Sold Oct 2002£700,000

Land Registry records and our Estate Agent network show 64 sales of comparable properties within 580 metres of 3, Northiam since 2008.

Most recently, Oakdene, Woodside Grange Road, London, N12 8SP, a freehold house, sold at £1,292,500 on the 2nd April 2026.

Read more about house prices in N12.

• Sold Apr 2026£1,292,500 | 5 Bed HouseOakdene, Woodside Grange Road, London, N12 8SPOakdene, Woodside Grange Road, London, N12 8SP
• Sold Aug 2025£1,277,500 | 5 Bed House67, Laurel Way, London, N20 8HT67, Laurel Way, London, N20 8HT
• Sold Aug 2025£1,715,000 | 5 Bed House51, Northiam, London, N12 7JH51, Northiam, London, N12 7JH
• Sold Mar 2025£1,500,000 | 5 Bed House6, Michleham Down, London, N12 7JN6, Michleham Down, London, N12 7JN
• Sold Feb 2025£1,450,000 | 5 Bed House26, Ventnor Drive, London, N20 8BP26, Ventnor Drive, London, N20 8BP
• Sold Feb 2025£1,325,000 | 5 Bed House75, Southover, London, N12 7HG75, Southover, London, N12 7HG
• Sold Jul 2024£1,450,000 | 5 Bed House62, Woodside Avenue, London, N12 8TB62, Woodside Avenue, London, N12 8TB
• Sold Jan 2024£1,350,000 | 5 Bed House93, Northiam, London, N12 7HL93, Northiam, London, N12 7HL
• Sold Dec 2022£1,430,000 | 4 Bed House55, Greenway Close, London, N20 8ES55, Greenway Close, London, N20 8ES
• Sold Nov 2022£1,450,000 | 5 Bed House93, Southover, London, N12 7HG93, Southover, London, N12 7HG
• Sold Mar 2022£1,275,000 | 5 Bed House92, Longland Drive, London, N20 8HL92, Longland Drive, London, N20 8HL
• Sold Feb 2022£1,400,000 | 4 Bed House1, Ventnor Drive, London, N20 8BT1, Ventnor Drive, London, N20 8BT
• Sold Apr 2021£1,275,000 | 5 Bed House17, Northiam, London, N12 7ET17, Northiam, London, N12 7ET
• Sold Feb 2021£1,220,000 | 5 Bed House59, Northiam, London, N12 7JH59, Northiam, London, N12 7JH
• Sold Jul 2020£1,040,000 | 5 Bed House9, Northiam, London, N12 7ET9, Northiam, London, N12 7ET
• Sold Dec 2017£1,000,000 | 5 Bed House41, Greenway Close, London, N20 8ES41, Greenway Close, London, N20 8ES
• Sold Feb 2017£1,300,000 | 4 Bed House88, Laurel Way, London, N20 8HU88, Laurel Way, London, N20 8HU
• Sold Jul 2013£870,000 | 5 Bed House41, Northiam, London, N12 7ET41, Northiam, London, N12 7ET
• Sold Oct 2010£848,000 | 5 Bed House27, Northiam, London, N12 7ET27, Northiam, London, N12 7ET
• Sold Apr 2008£900,000 | 5 Bed House5, Northiam, London, N12 7ET5, Northiam, London, N12 7ET

Our analysis of the public data ranks 3, Northiam as the 20th largest and the 21st most expensive of the 94 addresses on Northiam, London, N12.

Against the N12 postcode district average, it is £737k more expensive than the typical property.

• Woodridge Primary School

  400 m away
• St John's CofE Primary and Nursery School

  900 m away
• Northside Primary School

  900 m away

• Finchley Catholic High School

  500 m away
• St Michael's Catholic Grammar School

  1.0 km away
• The Totteridge Academy

  2.0 km away

• Woodside Park

  |

  500 m away
• Totteridge & Whetstone

  |

  1.1 km away
• West Finchley

  |

  1.4 km away

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