According to data from HM Land Registry, 6, Borrowdale Avenue, Harrow sits on a plot of 433 m².

We have plot size data on 36 out of 36 other houses in the postcode and 6, Borrowdale Avenue, Harrow sits on the 10th largest plot.

6, Borrowdale Avenue, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Feb 2016.

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, 6, Borrowdale Avenue, Harrow was last sold on 6th July 2016 for £509,950 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since July 2016, the market for similar properties has risen by 10.5%.

• Sold Jul 2016£509,950

According to the Land Registry and our network of Estate Agents, there have been 146 sales of properties similar to 6, Borrowdale Avenue, Harrow within a radius of 460 metres since 2019.

The most recent example is 23, Sancroft Road, Harrow, HA3 7NX, a freehold house which sold for £530,000 on the 18th December 2025.

Read more about house prices in HA3.

• Sold Dec 2025£530,000 | 3 Bed House23, Sancroft Road, Harrow, HA3 7NX23, Sancroft Road, Harrow, HA3 7NX
• Sold Oct 2025£585,000 | 3 Bed House222, Kenmore Avenue, Harrow, HA3 8PS222, Kenmore Avenue, Harrow, HA3 8PS
• Sold Aug 2025£492,000 | 3 Bed House4, Fisher Road, Harrow, HA3 7JP4, Fisher Road, Harrow, HA3 7JP
• Sold Aug 2025£510,000 | 3 Bed House483, Kenton Lane, Harrow, HA3 7JW483, Kenton Lane, Harrow, HA3 7JW
• Sold Jul 2025£510,000 | 3 Bed House11, Dryden Road, Harrow, HA3 7LA11, Dryden Road, Harrow, HA3 7LA
• Sold Jan 2025£550,000 | 3 Bed House14, Mountbel Road, Stanmore, HA7 2AF14, Mountbel Road, Stanmore, HA7 2AF
• Sold Dec 2024£485,000 | 3 Bed House75, Elgin Avenue, Harrow, HA3 8QN75, Elgin Avenue, Harrow, HA3 8QN
• Sold Nov 2024£376,384 | 3 Bed House26, Sancroft Road, Harrow, HA3 7NS26, Sancroft Road, Harrow, HA3 7NS
• Sold Nov 2024£544,500 | 3 Bed House29, Mountbel Road, Stanmore, HA7 2AG29, Mountbel Road, Stanmore, HA7 2AG
• Sold Oct 2024£525,000 | 3 Bed House229, Kenmore Avenue, Harrow, HA3 8PD229, Kenmore Avenue, Harrow, HA3 8PD
• Sold Sep 2024£530,000 | 3 Bed House29, Radcliffe Road, Harrow, HA3 7QA29, Radcliffe Road, Harrow, HA3 7QA
• Sold Jun 2024£530,000 | 3 Bed House33, Curzon Avenue, Stanmore, HA7 2AH33, Curzon Avenue, Stanmore, HA7 2AH
• Sold Feb 2024£510,000 | 3 Bed House193, Byron Road, Harrow, HA3 7TD193, Byron Road, Harrow, HA3 7TD
• Sold Sep 2022£545,500 | 3 Bed House269, Kenmore Avenue, Harrow, HA3 8PD269, Kenmore Avenue, Harrow, HA3 8PD
• Sold Aug 2022£497,000 | 3 Bed House38, Borrowdale Avenue, Harrow, HA3 7PZ38, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Jun 2022£797,818 | 3 Bed House6, Grasmere Gardens, Harrow, HA3 7PU6, Grasmere Gardens, Harrow, HA3 7PU
• Sold Feb 2022£515,000 | 3 Bed House102, Elgin Avenue, Harrow, HA3 8QJ102, Elgin Avenue, Harrow, HA3 8QJ
• Sold Oct 2021£640,000 | 3 Bed House6, Sancroft Road, Harrow, HA3 7NS6, Sancroft Road, Harrow, HA3 7NS
• Sold Sep 2021£485,000 | 3 Bed House34, Sancroft Road, Harrow, HA3 7NT34, Sancroft Road, Harrow, HA3 7NT
• Sold Aug 2019£477,500 | 3 Bed House7, Hibbert Road, Harrow, HA3 7JU7, Hibbert Road, Harrow, HA3 7JU

Borrowdale Avenue, Harrow, HA3 has a total of 67 addresses. According to our analysis of all the public data, 6, Borrowdale Avenue, Harrow is the 59th largest and the 63rd most expensive property on the street.

When compared to the postcode district it is £41k less expensive than the average property in HA3.

• St Joseph's Catholic Primary School

  300 m away
• Belmont School

  400 m away
• Priestmead Primary School and Nursery

  600 m away

• The Sacred Heart Language College

  900 m away
• Salvatorian Roman Catholic College

  1.1 km away
• Park High School

  1.5 km away

• Harrow & Wealdstone

  |

  900 m away
• Kenton

  |

  1.8 km away

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