According to data from HM Land Registry, 25, Borrowdale Avenue, Harrow sits on a plot of 375 m².

We have plot size data on 16 out of 16 other houses in the postcode and 25, Borrowdale Avenue, Harrow sits on the 13th largest plot.

25, Borrowdale Avenue, Harrow has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 11 Mar 2025.

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, 25, Borrowdale Avenue, Harrow was last sold on 17th October 2014 for £440,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since October 2014, the market for similar properties has risen by 34.9%.

• Sold Oct 2014£440,000

According to the Land Registry and our network of Estate Agents, there have been 220 sales of properties similar to 25, Borrowdale Avenue, Harrow within a radius of 470 metres since 2018.

The most recent example is 52, Radcliffe Road, Harrow, HA3 7QB, a freehold house which sold for £635,000 on the 20th March 2026.

Read more about house prices in HA3.

• Sold Mar 2026£635,000 | 4 Bed House52, Radcliffe Road, Harrow, HA3 7QB52, Radcliffe Road, Harrow, HA3 7QB
• Sold Jan 2026£600,000 | 3 Bed House107, Elgin Avenue, Harrow, HA3 8QN107, Elgin Avenue, Harrow, HA3 8QN
• Sold Oct 2025£620,000 | 4 Bed House39, Talbot Road, Harrow, HA3 7QQ39, Talbot Road, Harrow, HA3 7QQ
• Sold Oct 2025£738,000 | 4 Bed House79, Grasmere Gardens, Harrow, HA3 7PS79, Grasmere Gardens, Harrow, HA3 7PS
• Sold Sep 2025£545,000 | 3 Bed House56, Elgin Avenue, Harrow, HA3 8QL56, Elgin Avenue, Harrow, HA3 8QL
• Sold Sep 2025£640,000 | 3 Bed House150, Kingshill Drive, Harrow, HA3 8QS150, Kingshill Drive, Harrow, HA3 8QS
• Sold Mar 2025£580,000 | 3 Bed House232, Kenmore Avenue, Harrow, HA3 8PS232, Kenmore Avenue, Harrow, HA3 8PS
• Sold Mar 2025£625,000 | 4 Bed House101, Elgin Avenue, Harrow, HA3 8QN101, Elgin Avenue, Harrow, HA3 8QN
• Sold Feb 2025£553,000 | 4 Bed House4, Borrowdale Avenue, Harrow, HA3 7PZ4, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Dec 2024£550,000 | 4 Bed House28, Borrowdale Avenue, Harrow, HA3 7PZ28, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Oct 2024£380,700 | 3 Bed House5, Mountbel Road, Stanmore, HA7 2AG5, Mountbel Road, Stanmore, HA7 2AG
• Sold Sep 2024£545,000 | 3 Bed House68, Borrowdale Avenue, Harrow, HA3 7PZ68, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Feb 2024£575,000 | 3 Bed House24, Mountbel Road, Stanmore, HA7 2AF24, Mountbel Road, Stanmore, HA7 2AF
• Sold Dec 2023£625,000 | 4 Bed House8, Borrowdale Avenue, Harrow, HA3 7PZ8, Borrowdale Avenue, Harrow, HA3 7PZ
• Sold Jul 2023£627,500 | 4 Bed House169, Kenmore Avenue, Harrow, HA3 8PB169, Kenmore Avenue, Harrow, HA3 8PB
• Sold Jul 2023£540,000 | 4 Bed House179, Kenmore Avenue, Harrow, HA3 8PB179, Kenmore Avenue, Harrow, HA3 8PB
• Sold Oct 2022£610,000 | 3 Bed House13, Radcliffe Road, Harrow, HA3 7QA13, Radcliffe Road, Harrow, HA3 7QA
• Sold Aug 2019£577,500 | 4 Bed House7, Radcliffe Road, Harrow, HA3 7QA7, Radcliffe Road, Harrow, HA3 7QA
• Sold Feb 2019£625,000 | 3 Bed House49, Radcliffe Road, Harrow, HA3 7QA49, Radcliffe Road, Harrow, HA3 7QA
• Sold Jun 2018£496,000 | 4 Bed House20, Borrowdale Avenue, Harrow, HA3 7PZ20, Borrowdale Avenue, Harrow, HA3 7PZ

Borrowdale Avenue, Harrow, HA3 has a total of 67 addresses. According to our analysis of all the public data, 25, Borrowdale Avenue, Harrow is the 32nd largest and the 32nd most expensive property on the street.

When compared to the postcode district it is £86k more expensive than the average property in HA3.

• St Joseph's Catholic Primary School

  200 m away
• Belmont School

  300 m away
• Priestmead Primary School and Nursery

  700 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

  |

  1.0 km away
• Kenton

  |

  1.9 km away

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