According to data from HM Land Registry, 77, Sefton Avenue, Harrow sits on a plot of 266 m².

We have plot size data on 18 out of 18 other houses in the postcode and 77, Sefton Avenue, Harrow sits on the 8th largest plot.

77, Sefton Avenue, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 20 Feb 2017.

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

According to HM Land Registry, 77, Sefton Avenue, Harrow was last sold on 1st November 2012 for £250,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since November 2012, the market for similar properties has risen by 69.8%.

• Sold Nov 2012£250,000

According to the Land Registry and our network of Estate Agents, there have been 218 sales of properties similar to 77, Sefton Avenue, Harrow within a radius of 450 metres since 2016.

The most recent example is 16, Stox Mead, Harrow, HA3 5JX, a freehold house which sold for £535,000 on the 16th June 2026.

Read more about house prices in HA3.

• Sold Jun 2026£535,000 | 3 Bed House16, Stox Mead, Harrow, HA3 5JX16, Stox Mead, Harrow, HA3 5JX
• Sold Apr 2026£540,000 | 3 Bed House29, Weald Lane, Harrow, HA3 5EU29, Weald Lane, Harrow, HA3 5EU
• Sold Mar 2026£510,000 | 3 Bed House46, Clewer Crescent, Harrow, HA3 5PZ46, Clewer Crescent, Harrow, HA3 5PZ
• Sold Jun 2025£525,000 | 3 Bed House48, Clewer Crescent, Harrow, HA3 5PZ48, Clewer Crescent, Harrow, HA3 5PZ
• Sold Mar 2025£480,000 | 3 Bed House3, Stox Mead, Harrow, HA3 5JX3, Stox Mead, Harrow, HA3 5JX
• Sold Mar 2025£450,000 | 3 Bed House23, Stox Mead, Harrow, HA3 5JX23, Stox Mead, Harrow, HA3 5JX
• Sold Feb 2025£522,500 | 3 Bed House9, Stox Mead, Harrow, HA3 5JX9, Stox Mead, Harrow, HA3 5JX
• Sold Nov 2024£485,000 | 3 Bed House25, Stox Mead, Harrow, HA3 5JX25, Stox Mead, Harrow, HA3 5JX
• Sold Sep 2024£410,000 | 3 Bed House22, Stox Mead, Harrow, HA3 5JX22, Stox Mead, Harrow, HA3 5JX
• Sold Sep 2024£550,000 | 3 Bed House8, Sefton Avenue, Harrow, HA3 5JS8, Sefton Avenue, Harrow, HA3 5JS
• Sold Mar 2024£465,000 | 3 Bed House37, Sefton Avenue, Harrow, HA3 5JT37, Sefton Avenue, Harrow, HA3 5JT
• Sold Dec 2023£550,000 | 3 Bed House53, Long Elmes, Harrow, HA3 5LE53, Long Elmes, Harrow, HA3 5LE
• Sold Oct 2023£445,000 | 3 Bed House49, Long Elmes, Harrow, HA3 5LE49, Long Elmes, Harrow, HA3 5LE
• Sold Sep 2023£542,000 | 3 Bed House61, Sefton Avenue, Harrow, HA3 5JP61, Sefton Avenue, Harrow, HA3 5JP
• Sold Aug 2023£460,000 | 3 Bed House10, Stox Mead, Harrow, HA3 5JX10, Stox Mead, Harrow, HA3 5JX
• Sold Feb 2022£487,000 | 3 Bed House50, Long Elmes, Harrow, HA3 5JL50, Long Elmes, Harrow, HA3 5JL
• Sold Jan 2022£580,000 | 3 Bed House45, Long Elmes, Harrow, HA3 5LE45, Long Elmes, Harrow, HA3 5LE
• Sold Feb 2020£400,000 | 3 Bed House73, Sefton Avenue, Harrow, HA3 5JP73, Sefton Avenue, Harrow, HA3 5JP
• Sold May 2019£435,000 | 3 Bed House23A, Weald Lane, Harrow, HA3 5EU23A, Weald Lane, Harrow, HA3 5EU
• Sold Nov 2016£425,000 | 3 Bed House57, Sefton Avenue, Harrow, HA3 5JP57, Sefton Avenue, Harrow, HA3 5JP

Sefton Avenue, Harrow, HA3 has a total of 121 addresses. According to our analysis of all the public data, 77, Sefton Avenue, Harrow is the 64th largest and the 65th most expensive property on the street.

When compared to the postcode district it is £21k less expensive than the average property in HA3.

• Cedars Manor School

  700 m away
• Weald Rise Primary School

  800 m away
• St Teresa's Catholic Primary School and Nursery

  900 m away

• Salvatorian Roman Catholic College

  400 m away
• The Sacred Heart Language College

  600 m away
• Hatch End High School

  1.0 km away

• Headstone Lane

  |

  1.0 km away
• Harrow & Wealdstone

  |

  1.4 km away

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