According to data from HM Land Registry, 21, Cowbridge Road, Harrow sits on a plot of 229 m².

We have plot size data on 44 out of 45 other houses in the postcode and 21, Cowbridge Road, Harrow sits on the 34th largest plot.

According to HM Land Registry, 21, Cowbridge Road, Harrow was last sold on 27th May 2010 for £250,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since May 2010, the market for similar properties has risen by 77.7%.

• Sold May 2010£250,000

According to the Land Registry and our network of Estate Agents, there have been 67 sales of properties similar to 21, Cowbridge Road, Harrow within a radius of 470 metres since 2007.

The most recent example is 161, Princes Avenue, London, NW9 9QS, a freehold house which sold for £535,000 on the 28th March 2025.

Read more about house prices in HA3.

• Sold Mar 2025£535,000 | 3 Bed House161, Princes Avenue, London, NW9 9QS161, Princes Avenue, London, NW9 9QS
• Sold Jan 2025£525,000 | 3 Bed House6, Orchard Grove, Harrow, HA3 9QS6, Orchard Grove, Harrow, HA3 9QS
• Sold Oct 2024£575,000 | 3 Bed House44, Rose Bates Drive, London, NW9 9QJ44, Rose Bates Drive, London, NW9 9QJ
• Sold Aug 2024£525,000 | 3 Bed House105, Ruskin Gardens, Harrow, HA3 9PY105, Ruskin Gardens, Harrow, HA3 9PY
• Sold Mar 2024£490,000 | 3 Bed House96, Honeypot Lane, London, NW9 9QX96, Honeypot Lane, London, NW9 9QX
• Sold Feb 2024£525,000 | 3 Bed House179, St. Pauls Avenue, Harrow, HA3 9PT179, St. Pauls Avenue, Harrow, HA3 9PT
• Sold Apr 2023£434,000 | 3 Bed House88, Honeypot Lane, London, NW9 9QX88, Honeypot Lane, London, NW9 9QX
• Sold Sep 2022£578,500 | 3 Bed House85, Ruskin Gardens, Harrow, HA3 9PY85, Ruskin Gardens, Harrow, HA3 9PY
• Sold Aug 2022£630,000 | 3 Bed House119, Winchester Avenue, London, NW9 9TB119, Winchester Avenue, London, NW9 9TB
• Sold Apr 2022£415,000 | 3 Bed House2, Orchard Grove, Harrow, HA3 9QS2, Orchard Grove, Harrow, HA3 9QS
• Sold Oct 2020£490,000 | 3 Bed House32, Orchard Grove, Harrow, HA3 9QS32, Orchard Grove, Harrow, HA3 9QS
• Sold Sep 2020£348,000 | 3 Bed House5, Cowbridge Road, Harrow, HA3 9QA5, Cowbridge Road, Harrow, HA3 9QA
• Sold Oct 2019£550,000 | 3 Bed House14, Repton Road, Harrow, HA3 9QD14, Repton Road, Harrow, HA3 9QD
• Sold Sep 2019£505,000 | 3 Bed House98, Berkeley Road, London, NW9 9DG98, Berkeley Road, London, NW9 9DG
• Sold Apr 2019£510,000 | 3 Bed House13, Cowbridge Road, Harrow, HA3 9QA13, Cowbridge Road, Harrow, HA3 9QA
• Sold Mar 2018£505,000 | 3 Bed House168, St. Pauls Avenue, Harrow, HA3 9PU168, St. Pauls Avenue, Harrow, HA3 9PU
• Sold Mar 2016£500,000 | 3 Bed House122, St. Pauls Avenue, Harrow, HA3 9PU122, St. Pauls Avenue, Harrow, HA3 9PU
• Sold Aug 2013£247,000 | 3 Bed House34, Cowbridge Road, Harrow, HA3 9QA34, Cowbridge Road, Harrow, HA3 9QA
• Sold Feb 2013£286,000 | 3 Bed House52, Cowbridge Road, Harrow, HA3 9QA52, Cowbridge Road, Harrow, HA3 9QA
• Sold Jul 2007£267,000 | 3 Bed House24, Cowbridge Road, Harrow, HA3 9QA24, Cowbridge Road, Harrow, HA3 9QA

Cowbridge Road, Harrow, HA3 has a total of 49 addresses. According to our analysis of all the public data, 21, Cowbridge Road, Harrow is the 46th largest and the 44th most expensive property on the street.

When compared to the postcode district it is £71k less expensive than the average property in HA3.

• St Bernadette's Catholic Primary School

  400 m away
• Glebe Primary School

  800 m away
• Roe Green Junior School

  900 m away

• Kingsbury High School

  700 m away
• Claremont High School

  800 m away
• JFS

  900 m away

• Queensbury

  |

  600 m away
• Kingsbury

  |

  600 m away
• Preston Road

  |

  2.1 km away

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