HM Land Registry records the plot of land for 23, Killowen Avenue, Northolt as measuring 313 m².

That makes it the 33rd largest plot in the postcode, where 49 of the 50 other houses have recorded plot data.

23, Killowen Avenue, Northolt has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Jul 2020.

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 23, Killowen Avenue, Northolt completed on 14th May 2021 at £545,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have dropped by 1.2% over the period since May 2021.

• Sold May 2021£545,000

Since 2021 310 properties similar to 23, Killowen Avenue, Northolt have sold within a radius of 500 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 27th February 2026, was 20, Keble Close, Northolt, UB5 4QE, a freehold house which sold for £525,000.

Read more about house prices in UB5.

• Sold Feb 2026£525,000 | 3 Bed House20, Keble Close, Northolt, UB5 4QE20, Keble Close, Northolt, UB5 4QE
• Sold Jan 2026£540,000 | 3 Bed House25, Clauson Avenue, Northolt, UB5 4PR25, Clauson Avenue, Northolt, UB5 4PR
• Sold Aug 2025£495,000 | 3 Bed House55, Wood End Way, Northolt, UB5 4QQ55, Wood End Way, Northolt, UB5 4QQ
• Sold Mar 2025£530,000 | 3 Bed House18, Killowen Avenue, Northolt, UB5 4QT18, Killowen Avenue, Northolt, UB5 4QT
• Sold Feb 2025£540,000 | 3 Bed House168, Wood End Lane, Northolt, UB5 4JR168, Wood End Lane, Northolt, UB5 4JR
• Sold Jan 2025£500,000 | 3 Bed House50, Killowen Avenue, Northolt, UB5 4QT50, Killowen Avenue, Northolt, UB5 4QT
• Sold Dec 2024£579,000 | 3 Bed House14, Halsbury Road East, Northolt, UB5 4PU14, Halsbury Road East, Northolt, UB5 4PU
• Sold Dec 2024£510,000 | 3 Bed House147, Wood End Gardens, Northolt, UB5 4QW147, Wood End Gardens, Northolt, UB5 4QW
• Sold Oct 2024£537,000 | 3 Bed House44, Killowen Avenue, Northolt, UB5 4QT44, Killowen Avenue, Northolt, UB5 4QT
• Sold Oct 2024£480,000 | 3 Bed House178, Wood End Gardens, Northolt, UB5 4QW178, Wood End Gardens, Northolt, UB5 4QW
• Sold Sep 2024£470,000 | 3 Bed House198, Wood End Lane, Northolt, UB5 4JR198, Wood End Lane, Northolt, UB5 4JR
• Sold Jun 2024£570,000 | 3 Bed House26, Wood End Way, Northolt, UB5 4QQ26, Wood End Way, Northolt, UB5 4QQ
• Sold May 2024£478,000 | 3 Bed House53, Halsbury Road East, Northolt, UB5 4PX53, Halsbury Road East, Northolt, UB5 4PX
• Sold Apr 2024£550,000 | 3 Bed House10, Russell Road, Northolt, UB5 4QR10, Russell Road, Northolt, UB5 4QR
• Sold Mar 2024£515,000 | 3 Bed House7, Clauson Avenue, Northolt, UB5 4PR7, Clauson Avenue, Northolt, UB5 4PR
• Sold Oct 2023£500,000 | 3 Bed House34, Halsbury Road East, Northolt, UB5 4PX34, Halsbury Road East, Northolt, UB5 4PX
• Sold Jun 2022£475,000 | 3 Bed House9, Killowen Avenue, Northolt, UB5 4QT9, Killowen Avenue, Northolt, UB5 4QT
• Sold May 2022£561,000 | 3 Bed House4, Halsbury Road East, Northolt, UB5 4PU4, Halsbury Road East, Northolt, UB5 4PU
• Sold Feb 2022£520,000 | 3 Bed House49, Killowen Avenue, Northolt, UB5 4QU49, Killowen Avenue, Northolt, UB5 4QU
• Sold Apr 2021£510,000 | 3 Bed House40, Killowen Avenue, Northolt, UB5 4QT40, Killowen Avenue, Northolt, UB5 4QT

Of the 85 addresses on Killowen Avenue, Northolt, UB5, 23, Killowen Avenue, Northolt comes out as the 42nd largest and the 36th most expensive in our analysis of the public data.

It is also £138k more expensive than the average property across the UB5 district.

• Greenwood Primary School

  300 m away
• Wood End Primary School

  300 m away
• The Welldon Park Academy

  700 m away

• Rooks Heath School

  1.6 km away
• Islip Manor High School

  1.7 km away
• Whitmore High School

  1.9 km away

• Northolt Park

  |

  600 m away
• South Harrow

  |

  1.0 km away
• Sudbury Hill

  |

  1.1 km away

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